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Mary O'Malley, MD

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Mary O'Malley, MD

Staff Psychiatrist

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Dr. O'Malley is licensed to see patients in the following states.

available in
Colorado
Connecticut
Maine
Massachusetts
Montana
Indiana
New Jersey
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Biography

I use an integrative approach to health in my psychiatric practice, combining evidence-based concepts in neurobiology with psychological, social, and spiritual/existential worldviews to understand and treat every patient. My primary practice is medication management, and I also integrate elements of psychotherapy into my work, typically within 30-minute follow-up visits. In addition to medication and psychotherapy, I incorporate wellness tools into visits, such as mindfulness exercises and sleep management strategies. If I believe that additional psychotherapy is needed, I will recommend that you add a therapist to your care team. My primary focus is working with adults with mood and anxiety disorders, trauma symptoms, ADHD, and problems with sleep. I enjoy working with people facing life transitions, especially older adults and women who are struggling with mental health challenges related to pregnancy and post-partum health. I have extensive experience working with people from many stages of life, with diverse world views and cultural backgrounds. I have always had an inclusive practice and welcome people who identify as LBGTQIA+.

I am board certified in Adult Psychiatry and Sleep Medicine. I received my medical degree from Weill Cornell Medical School and my PhD in Neurobiology from The Rockefeller University. I completed my Psychiatry residency and Sleep Medicine Fellowship training at the New York University Medical Center. Prior to joining Talkiatry, I was working at Hartford Healthcare with adults in intensive outpatient programs and at Hackensack Meridian Health outpatient clinics. I was the medical director of the Consultation Liaison Service at Berkshire Medical Center in Pittsfield, Massachusetts, and an assistant professor at UMass Medical School.

I have published and presented widely on topics related to Wellness in Psychiatry, Ethics, and Sleep Medicine. I am an advocate for finding your voice in medical decision-making. As part of my own life path, I became an Interfaith Minister and enjoy including spirituality and the supportive role it can play in healing for my patients. I also enjoy using sound healing for relaxation and stress management.

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Expertise and specialties

ADHD
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Geriatric
Medication Management

Education and training

  • Cornell University Medical College Doctor of Medicine (MD)
  • New York University Medical (Fellowship)
  • New York University Medical Center (Residency)

Languages spoken

English

In-network insurance

Aetna
Blue Cross Blue Shield
Cigna
ComPsych
Elevance Health
Humana
Magnacare
Medicaid
Medicare
Provider Network of America
Quest
UnitedHealthcare
Velocity

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Ann believes treatment is a collaborative effort between provider and patient. She strives to understand the gap between where patients are today and where they want to be, approaching each interaction with empathy, flexibility, and respect. She values coordination with therapists, neurologists, primary care providers, and other members of a patient’s care team. When appropriate and desired, she also involves family members and other supports to help strengthen treatment outcomes.

Ann begins with a comprehensive psychiatric assessment to gain a thorough understanding of each patient’s history, symptoms, strengths, and goals. She develops individualized treatment plans tailored to the patient’s unique needs and changing presentation. At the end of each session, she reviews progress, reassesses goals, and ensures patients leave with a clear understanding of next steps, keeping the focus on their growth and well-being throughout treatment.

Licensed in

NY

IA

NJ

View bio
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Christina Thompson, PMHNP

Christina Thompson, PMHNP

Christy Thompson, PMHNP, is a board-certified Psychiatric Mental Health Nurse Practitioner with experience in inpatient and outpatient mental health care. She works with children and adults managing anxiety, depression, mood disorders, ADHD, psychotic disorders, stress-related conditions, and life transitions. Christy is skilled in medication management, psychotherapy, patient education, and collaborative treatment planning. She also brings leadership experience as a retired Air Force Lieutenant Colonel Chief Nurse.

Christy creates a warm, supportive, and nonjudgmental environment where patients feel heard and respected. She values open communication and collaborative decision-making, while taking time to understand each patient’s emotional, physical, and lifestyle needs. Her approach is individualized, practical, and goal-oriented, with a focus on building resilience, improving daily functioning, and supporting lasting change.

Christy begins with a comprehensive evaluation to understand each patient’s history, symptoms, concerns, and goals. She works collaboratively to create personalized treatment plans and provides thoughtful medication management with ongoing education and monitoring. Through follow-up visits, she assesses progress, addresses challenges, and adjusts care to support long-term wellness and improved quality of life.

Licensed in

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IA

ID

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Iowa
Idaho

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Lauren Murphy, PMHNP

Lauren Murphy, PMHNP

Lauren Murphy, PMHNP, earned a Master’s Degree in Nursing from the University of Colorado and has experience working in a variety of settings, including community health clinics and with Veteran populations. Her background has helped her develop a compassionate, patient-centered approach to mental health care.

Lauren is supportive, an active listener, and committed to helping patients become the best version of themselves. She values collaboration, open communication, and creating a safe environment where patients feel heard, respected, and empowered throughout treatment.

Lauren begins by gathering a thorough history and taking time to understand each patient’s experiences, concerns, and goals. She works collaboratively with patients to provide informed, individualized treatment recommendations designed to support meaningful progress and long-term wellness.

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Sheri Lazenby, PMHNP

Sheri Lazenby, PMHNP

Sheri Lazenby, PMHNP, is a board-certified Psychiatric Mental Health Nurse Practitioner with 17 years of nursing experience across inpatient and outpatient settings. For the past decade, she has provided psychiatric care exclusively through telehealth. Her clinical experience includes treating anxiety, trauma-related disorders, depression, bipolar disorder, psychotic disorders, and ADHD.

Sheri believes quality care is built on open communication and a strong therapeutic relationship. She takes a whole-person approach, considering mental, physical, and lifestyle factors that influence well-being. She partners with patients to establish meaningful treatment goals and support lasting improvements in daily functioning and quality of life.

Sheri begins with a comprehensive evaluation to understand each patient’s history, current concerns, and personal priorities. She then develops an individualized treatment plan that may include medication management and supportive therapy, delivered in a collaborative, relaxed, and nonjudgmental environment.

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Emily Gitau, PMHNP

Emily Gitau, PMHNP

Emily Gitau is a Psychiatric Mental Health Nurse Practitioner who has worked in outpatient behavioral health clinics serving adult populations. She earned her Master of Science in Nursing from the University of North Carolina at Chapel Hill and her Bachelor of Science in Nursing from Winston-Salem State University.

Emily Gitau provides collaborative, respectful, and goal-oriented care focused on understanding each patient’s experiences and creating practical, individualized treatment plans. She emphasizes clear guidance, evidence-based medication management, and patient education, while fostering a supportive, nonjudgmental environment that encourages honesty, consistency, and patient autonomy.

Emily Gitau uses a structured, patient-centered approach that begins with a comprehensive psychiatric assessment and individualized treatment planning, which may include medication management, psychoeducation, and coordination with therapy. Follow-ups focus on progress, effectiveness, and side effects, with adjustments guided by clinical findings and patient feedback.

Licensed in

ME

VA

AZ

NY

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Maine
Virginia
Arizona
New York

View Lori Harris, PMHNP

Lori Harris, PMHNP

Lori Harris, PMHNP

Lori Harris, PMHNP, is a board-certified Psychiatric Mental Health Nurse Practitioner with over ten years of experience in inpatient and outpatient care. She earned her diploma in nursing from UPMC Shadyside School of Nursing, her BSN and MSN from the University of Pittsburgh, and is certified through the American Nurses Credentialing Center. Her background includes nine years as an ICU nurse in a Level I trauma center, along with advanced training in integrative psychiatry and functional nutrition.

Lori Harris creates a warm, welcoming, and judgment-free environment where patients feel respected and at ease. She prioritizes building trust and long-term relationships through a collaborative, partnership-based approach, ensuring patients feel heard, understood, and actively involved in their care.

Lori Harris begins with a thorough, unhurried assessment to understand each patient’s full story. She develops personalized treatment plans aligned with individual goals, integrates mindfulness strategies, and emphasizes education. Her approach fosters a supportive, collaborative process with clear goals and meaningful progress.

Licensed in

ME

NV

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Maine
Nevada

View Crystal Branham, PMHNP

Crystal Branham, PMHNP

Crystal Branham, PMHNP

Crystal Branham is a dual board-certified Psychiatric Mental Health and Primary Care Nurse Practitioner with extensive experience in healthcare. She has practiced as a Nurse Practitioner since 2011, following her work as a registered nurse from 2004–2011. Crystal earned her graduate and postgraduate degrees from Northern Kentucky University, a bachelor’s degree in nursing from Indiana Wesleyan University, and an associate degree from Pikeville College. Her background includes roles as a clinical educator, clinical practice manager, emergency room nurse, and telehealth psychiatric provider.

Crystal values open communication and collaborates closely with patients to establish clear, meaningful treatment goals. She is passionate about delivering compassionate, comprehensive mental health care in a warm and supportive environment where patients feel heard and respected. She emphasizes building strong rapport with patients and families while offering supportive therapy and psychoeducation.

Crystal begins with a thorough assessment of medical, social, and psychiatric history to understand each patient’s concerns and past treatment. She works collaboratively to establish short- and long-term goals and develops individualized treatment plans aligned with those goals. Her approach blends evidence-based guidelines with clinical experience, while prioritizing interdisciplinary collaboration to support overall well-being.

Licensed in

SD

MA

CO

KS

NH

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South Dakota
Massachusetts
Colorado
Kansas
New Hampshire

View Rashel Low, PMHNP

Rashel Low, PMHNP

Rashel Low, PMHNP

Rashel Low is a Psychiatric Mental Health Nurse Practitioner with over 10 years of experience supporting patients ages 3 to 99 across acute care, addictions, crisis, and outpatient settings. She earned her BSN from Indiana State University and her MSN in Psychiatric Mental Health Nursing from Eastern Kentucky University. She is certified as a Psychiatric Mental Health NP (ANCC) and holds Pediatric Primary Care Certification (PNCB).

Rashel Low takes a patient-centered, holistic approach to care, recognizing that mental health is complex and treatment should be tailored to each individual. She fosters an open, welcoming environment where patients feel heard and understood, with space to discuss both strengths and challenges. Appointments focus on addressing real-life concerns and supporting overall well-being.

Rashel Low prioritizes building meaningful connections with her patients, understanding who they are and who they aspire to become. She partners with patients to develop personalized treatment goals and encourages active participation in care. While medication can be an important tool, she takes a thoughtful, cautious approach to ensure it is appropriate for each individual.

Licensed in

MD

MA

NV

AK

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Maryland
Massachusetts
Nevada
Alaska

View Alicia Olson, PMHNP

Alicia Olson, PMHNP

Alicia Olson, PMHNP

Alicia Olson, PMHNP, earned her BSN from Winona State University in Minnesota and her MSN from the University of North Dakota. She has experience in inpatient care as both a registered nurse and nurse practitioner, and more recently in outpatient primary care and private practice. Alicia has additional training in nutritional and metabolic psychiatry, which informs her holistic approach to mental health care.

Alicia takes a conversational approach, focusing on understanding patients as whole people rather than just symptoms. She integrates supportive therapy into every session and refers for deeper therapeutic work when needed. She values authenticity and recognizes that seeking help can be challenging. Alicia emphasizes the role of nutrition, lifestyle, and exercise in overall mental and physical well-being.

Alicia begins by getting to know each patient and the factors affecting their life. She practices a “less is more” approach to prescribing, sometimes helping patients reduce or discontinue unnecessary medications. Alicia collaborates with patients to set goals and works toward them using a combination of medication management and behavioral strategies.

Licensed in

AZ

CO

NY

UT

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Arizona
Colorado
New York
Utah

View Katrine Sorum, PMHNP

Katrine Sorum, PMHNP

Katrine Sorum, PMHNP

Katrine Sorum is a Psychiatric Mental Health Nurse Practitioner (PMHNP) with extensive experience in both inpatient and outpatient psychiatry. Her interest in mental health began during her undergraduate studies, where she earned degrees in Social and Behavioral Sciences and Nursing Science. After working on a medical psychiatric unit at Mayo Clinic in Rochester, Minnesota, she completed her Master of Science through the Psychiatric Nurse Practitioner track at the College of Saint Scholastica. Her work as a psychiatric nurse practitioner has become her life’s passion.

Kate prioritizes understanding each patient’s unique reasons for seeking care. She creates a supportive, collaborative environment where patients feel heard and respected. Her approach focuses on building trust and developing individualized treatment plans that align with each patient’s goals and needs.

Kate works closely with patients to develop comprehensive care plans tailored to their goals. She incorporates psychotropic medication management alongside supportive psychotherapy to help patients return to their baseline level of functioning. She specializes in treating anxiety, depression, obsessive-compulsive disorder, mood disorders, and ADHD.

Licensed in

IA

CO

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Iowa
Colorado

View Erin Thompson, PMHNP

Erin Thompson, PMHNP

Erin Thompson, PMHNP

Erin Thompson, PMHNP, has been working in outpatient mental health care since December 2020. She earned her Psychiatric Mental Health Nurse Practitioner certification from the University of Cincinnati after five years of experience as a Family Nurse Practitioner. Her background allows her to approach care with both medical and mental health insight, supporting patients in a well-rounded, compassionate way.

Erin Thompson prioritizes collaboration and transparency in care. She conducts a thorough intake to understand symptoms, history, and goals, and emphasizes using the least amount of medication necessary for the greatest benefit. She avoids unnecessary polypharmacy and ensures patients are fully involved in treatment decisions. Open, honest communication is encouraged to build trust and achieve the best outcomes.

Erin Thompson regularly assesses key symptoms at each visit to track subtle changes over time. She discusses medication options in detail, including potential side effects, so patients feel informed and confident. Her approach focuses on understanding each patient’s starting point, current progress, and long-term goals to guide personalized, effective treatment.

Licensed in

NY

IA

KS

MA

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New York
Iowa
Kansas
Massachusetts

View Jami Cline, PMHNP

Jami Cline, PMHNP

Jami Cline, PMHNP

Jami Cline, PMHNP, is a board-certified Psychiatric Nurse Practitioner with over ten years of experience caring for individuals with a wide range of mental health conditions. She began her nursing career in 1996 and gained diverse experience across the U.S. before earning her Doctor of Nursing Practice from Arizona State University in 2016. She has since worked in outpatient community mental health, caring for patients of all ages.

Jami takes a collaborative, patient-centered approach, focusing on understanding each individual’s history, symptoms, and goals. She incorporates medication management with trauma-informed care, integrative medicine, lifestyle changes, nutrition, mindfulness, and supportive therapy techniques to improve overall well-being and quality of life.

Jami begins with a comprehensive psychiatric evaluation to build a strong foundation of understanding and partnership. She then develops a personalized, evidence-based treatment plan that may include medication and therapeutic interventions, supporting patients over time as they grow, overcome challenges, and achieve their goals.

Licensed in

AZ

CO

NY

NV

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Arizona
Colorado
New York
Nevada

View Gabrielle Delarose, PMHNP

Gabrielle Delarose, PMHNP

Gabrielle Delarose, PMHNP

Gabrielle Delarose is a dually boarded Psychiatric Mental Health and Family nurse practitioner with over ten years of clinical experience. Gabrielle is dedicated to providing culturally competent and evidence-based medication management and psychotherapy to assist individuals in achieving their goals to live their best life. I believe in holistic treatment of individuals, and focus on the individual’s overall well-being, including how they are functioning socially and professionally. In addition to medication and psychotherapy, she is a proponent of incorporating research-supported alternative modalities, including dietary changes, exercise, social interaction, and yoga. She also advocates of forest bathing (“shinrin-yoku”), a practice of spending time in nature that yields both medical and mental health benefits as discovered in research trials from around the world. As a professionally trained cellist, she also frequently incorporates art and music into appointments and treatment plans with patients. Her goal for all her patients is to improve all facets of a person’s life with treatment. Gabrielle is an LGBTQ+ affirming provider and has extensive experience working with diverse populations.

New patients should know that the initial appointment will consist of obtaining their social history in addition to their medical history. This is an important part of establishing a therapeutic relationship in addition to obtaining health information to use in formulating treatment plans. A person’s identity and life experiences are a significant influence on a person’s health and well-being, and Gabrielle believes in discussing these experiences in order to best understand a patient’s background and incorporate that into their care. Patients are encouraged to write down any questions they may have prior to the appointment, as well as any significant points they want to discuss. This is encouraged because, as patients, we may forget to address these points without a prompt from the provider. Gabrielle also encourages patients to actively participate in their care and firmly believes in a patient’s right to autonomy and agency. This patient-centered approach empowers patients to help guide treatment plans that best fit the patient’s needs and abilities at any given time. Patients are also encouraged to discuss any concerns about medications or treatment, particularly if there are concerns about side effects.

Gabrielle works collaboratively with patients to determine appropriate and preferred treatment plans, including medication and therapy. She uses cognitive behavioral therapy (CBT) as the primary therapy modality, in conjunction with existential therapy, depending on the patient’s needs and preferences. She prefers to allow patients flexibility in their treatment, so the process may look less structured depending on the immediate needs of the patient. Other times, particularly while working through a specific problem in therapy, appointment agendas may be planned out for several weeks. If at any time, however, a need arises to deviate from preplanned appointment agenda, patients are encouraged to discuss this at the beginning of the appointment. Above all, patients’ needs will guide the agenda.

Licensed in

WA

CO

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Washington
Colorado

View Jackie LaVe, PMHNP

Jackie LaVe, PMHNP

Jackie LaVe, PMHNP

Jackie LaVe' is a board certified Psychiatric Mental Health Nurse Practitioner. She is also dually certified as a Family Nurse Practitioner. She received her master’s degree and post-master’s certificate from Vanderbilt University. Jackie has 12 years of experience as a nurse and over 7.5 years of experience as a Nurse Practitioner. Jackie is licensed to practice in Montana, Arizona and New York.

Jackie LaVe’ offers a patient centered approach, working with individuals aged 18-65. She believes in engaging patients in the decision-making process. Jackie has professional interests in treating a wide range of adult psychiatric conditions including depression, anxiety, trauma, ADHD, OCD, panic, autism and bipolar disorder.

She provides psychiatric assessments and medication management along with brief supportive psychotherapy. She believes in educating patients, so they are empowered to work together to create treatment plans that improve their health and quality of life. Jackie has additional education and experience in cognitive behavioral therapy, mindfulness and motivational enhancement. Jackie can also review if adding a therapist to your care team could improve outcomes.

Licensed in

MT

AZ

NY

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Montana
Arizona
New York

View Claudine Allen, PMHNP

Claudine Allen, PMHNP

Claudine Allen, PMHNP

Claudine Allen, PMHNP, is a board-certified psychiatric mental health nurse practitioner (ANCC) with over 20 years of experience across inpatient, outpatient, emergency, and state hospital settings. She earned both her BSN (2003) and MSN (2019, magna cum laude) from Husson University in Bangor, Maine. Her clinical work includes psychiatric evaluation, diagnosis, medication management, and CBT. She treats depression, anxiety, ADHD, insomnia, bipolar disorder, PTSD, and OCD, and has experience with schizophrenia, schizoaffective, and neurocognitive disorders. She has over 7 years of telehealth experience.

Claudine Allen, PMHNP, takes a relaxed yet professional approach, creating a comfortable, supportive environment while maintaining high clinical standards. Patients can expect evidence-based care, clear communication, and to be treated with respect, honesty, and dignity. She values transparency, accountability, and reliability in every interaction.

Claudine Allen, PMHNP, fosters a nonjudgmental, welcoming space where patients feel safe sharing. She conducts thorough, purposeful assessments and develops individualized, evidence-based treatment plans that integrate medication management, supportive therapy, and lifestyle considerations. She emphasizes shared decision-making, realistic goals, and ongoing follow-up to monitor progress and adjust care.

Licensed in

ME

ID

RI

NY

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Maine
Idaho
Rhode Island
New York

View Roman Mondal, PMHNP

Roman Mondal, PMHNP

Roman Mondal, PMHNP

Roman Mondal is a board-certified Psychiatric-Mental Health Nurse Practitioner specializing in medication management for depression, anxiety disorders, OCD, PTSD, and bipolar disorder. He earned both his Bachelor of Science in Nursing and Master’s degree from the Hunter-Bellevue School of Nursing and brings over eight years of experience in psychiatric care.

Roman believes the foundation of effective treatment is human connection and the mutual trust it creates. He understands that mental health can be a stigmatized topic and works to create a supportive, judgment-free environment where patients feel comfortable sharing their experiences. His goal is to help patients feel empowered to openly explore their mental health and feel confident in their treatment plan.

Roman takes a collaborative approach to care, working closely with patients to develop treatment plans that align with their needs and goals. He prioritizes open communication, comfort, and trust throughout the process. Outside of work, he enjoys hiking and nature walks with his Golden Retriever and Siberian Husky, playing tabletop games, watching movies with his partner, and experimenting with new recipes for loved ones.

Licensed in

NY

AZ

RI

ME

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New York
Arizona
Rhode Island
Maine

View Catherine Nwora, PMHNP

Catherine Nwora, PMHNP

Catherine Nwora, PMHNP

Catherine Nwora is a Psychiatric Mental Health Nurse Practitioner (PMHNP) who believes mental health care is most effective when patients feel heard, respected, and actively involved in treatment. She creates a supportive, nonjudgmental environment where patients can openly discuss concerns, identify goals, and develop individualized treatment plans that fit their needs and lifestyle.

Catherine takes a collaborative, compassionate, and evidence-based approach to care. She understands that beginning mental health treatment can feel overwhelming, so she prioritizes trust, open communication, and patient education throughout the process. She focuses on treating the whole person by considering emotional, social, medical, and lifestyle factors that impact mental wellness.

Catherine begins with a comprehensive psychiatric evaluation to explore mental health history, current concerns, stressors, sleep, relationships, medications, and treatment goals. Together, she and her patients create personalized care plans that may include medication management, supportive therapy, coping strategies, lifestyle recommendations, and coordination with other providers. Follow-up visits focus on progress, treatment adjustments, and building long-term stability and confidence.

Licensed in

NY

CO

WA

RI

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New York
Colorado
Washington
Rhode Island

View James Niforatos, PMHNP

James Niforatos, PMHNP

James Niforatos, PMHNP

James Niforatos, PMHNP, has over a decade of experience managing complex medication regimens across inpatient units, outpatient care, medical floor consultations, community mental health clinics, and residential treatment settings. He completed graduate studies at the University of Illinois at Chicago with clinical rotations at Northwestern University Hospital and the University of Illinois Hospital System. He holds certifications as a Cognitive Behavioral Therapy Clinician (CBT-C), ADHD-CCSP, and Functional Medicine for ADHD Provider.

James uses a shared decision-making approach to establish goals and treatment plans. He emphasizes individualized, patient-centered care and values collaboration with therapists and other healthcare providers to support comprehensive treatment.

James begins by thoroughly understanding each patient’s history, concerns, and goals during the initial session. He then develops individualized treatment plans aligned with those goals, focusing on improving understanding and management of mental health conditions to support personal, academic, and professional well-being. His approach is holistic, incorporating medication management alongside attention to nutrition, activity, relationships, and reduction of risky substance use.

Licensed in

UT

CO

NY

IL

View bio
Utah
Colorado
New York
Illinois
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Dr. O'Malley

Specialties
ADHD
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Geriatric
Medication Management
States
Colorado
Connecticut
Maine
Massachusetts
Montana
Indiana
New Jersey
Languages
English
Takes insurance
Virtual visits
years experience