Upton Thomas, MD

Staff Psychiatrist
Languages
English
Conditions Treated
Medication Management
ADHD
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma

Education and training

  • Medical College of Wisconsin Doctor of Medicine (MD)

Get to know

Upton Thomas, MD

Dr. Upton Thomas is a board-certified psychiatrist who takes a warm, collaborative, and evidence-based approach to care. With a focus on treating mood disorders, anxiety, OCD, and substance use, he integrates psychopharmacology and psychotherapy to support patients in achieving meaningful change. He brings curiosity, creativity, and a deep respect for each individual’s story to his clinical work.

Patients often find Dr. Thomas easy to talk to and appreciate his calm, thoughtful demeanor. He emphasizes shared decision-making and believes that treatment works best when the patient’s values and voice are at the center. Dr. Thomas aims to create a safe space for honest dialogue and ongoing reflection as treatment evolves.

Dr. Thomas begins with a comprehensive evaluation to understand each patient’s mental health history, current concerns, and goals. He then develops an individualized treatment plan that may include medication, therapy, or both. He prefers to use the lowest effective dose of medications and often integrates psychotherapeutic strategies such as CBT, DBT, or insight-oriented work into his sessions.

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Zachary Myslinski, MD

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Dr. Zac Myslinski is a staff psychiatrist who provides thoughtful, evidence-based care for adults facing a wide range of difficulties. He is committed to creating a welcoming, collaborative space where patients from all backgrounds, including but not limited to the LGBTQ+ community, feel heard and supported.

He earned his undergraduate degree in chemistry from Dartmouth College and his medical degree from Weill Cornell Medicine, where he received the Richard Kohl Prize for Excellence in Psychiatry. He completed his psychiatry residency at Harvard-Beth Israel Deaconess Medical Center, where he served as chief resident of the Consult-Liaison/Emergency Department Psychiatry service. He has also conducted research on Alzheimer’s disease and health system economics.

New patients can expect a personalized approach that includes discussion of both medication and therapy. Dr. Myslinski values understanding your treatment preferences and aims to serve as a consultant and collaborator in identifying the best path forward. He believes that developing a shared understanding of your background and current difficulties is essential to effective treatment.

Dr. Myslinski is well-trained in using a wide range of medications and interventions alongside talk therapy, especially cognitive behavioral therapy (CBT) and acceptance and commitment therapy (ACT). His approach emphasizes flexibility, autonomy, and curiosity, with a focus on symptom relief and deeper self-understanding.

Jennifer Phillips, LCSW

Staff Therapist

Jennifer Phillips is a Licensed Clinical Social worker who has worked in the mental health field since 2013.  During graduate school, Jennifer completed her internships at the Tuscaloosa County jail, the University of Alabama Student Veterans Center, and the Birmingham Veteran’s Affairs Medical Center in their Health Care for Homeless Veterans program.  Jennifer went to undergraduate and graduate schools in Alabama and moved to Arizona in 2013 to work with the Department of Veterans Affairs to continue working with homeless veterans.  Jennifer also has experience teaching at Pima Community College and is a clinical supervisor for associate level clinicians through the Arizona Board of Behavioral Health Examiners.  

Jennifer’s prior working experience and training has been with adults, homeless veterans, Native Americans, LGBTQIA, women, and individuals in rural or remote areas, providing access to much needed mental health services in provider shortage areas.  She enjoys working with patients who have anxiety, depression, insomnia, mood disorders, and self-esteem issues.  She is trained in geriatrics and especially loves working with adults over the age of 65.  

Jennifer is trained in Cognitive Behavioral Therapy, Cognitive Behavioral Therapy for Insomnia, Dialectical Behavioral Therapy, Mind-Body Approach, Mindfulness-Based Therapy, and Prolonged Grief Disorder (where the patient is experiencing grief for at least 12 months).  As she is trained in several different treatment modalities, Jennifer can customize therapy to meet everyone’s needs.

Mary O'Malley, MD

Staff Psychiatrist

Dr. Mary O'Malley is board certified in Adult Psychiatry and Sleep Medicine. She received her medical degree from Weill Cornell Medical School and PhD in Neurobiology from The Rockefeller University. She completed her Psychiatry residency and Sleep Medicine Fellowship training at the New York University Medical Center. In her psychiatric practice, Dr. O'Malley uses an integrative approach to health, combining evidence-based concepts in neurobiology with psychological, social and spiritual/existential worldviews to understand and treat every patient. Her primary practice is medication management. She also integrates elements of psychotherapy into her work, typically within 30-minute follow-up visits. In addition to medication and psychotherapy, she incorporates wellness tools into visits, such as mindfulness exercises and sleep management strategies. If she believes that additional psychotherapy is needed, she will recommend that you add a therapist to your care team. Dr. O'Malley has extensive experience working with people from many stages of life, with diverse world views and cultural backgrounds. She has always had an inclusive practice and welcomes people who identify as LBGTQIA+. As part of her own life path she became an Interfaith Minister and enjoys including spirituality and the supportive role it can play in healing for her patients. Her primary focus is working with adults with mood and anxiety disorders, trauma symptoms, ADHD, and problems with sleep. She enjoys 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. Prior to joining Talkiatry, Dr. O'Malley was working at Hartford Healthcare with adults in intensive outpatient programs and at Hackensack Meridian Health outpatient clinics. She was the medical director of the Consultation Liaison Service at Berkshire Medical Center in Pittsfield, Massachusetts, and an assistant professor at UMass Medical School. She has published and presented widely on topics related to Wellness in Psychiatry, Ethics and Sleep Medicine. She is an advocate for finding your voice in medical decision-making and enjoys using sound healing for relaxation and stress management.

Sandra Rodriguez, LMHC

Staff Therapist

Sandra is a Licensed Mental Health Counselor in the state of New York with extensive experience working in the mental health field. Sandra attended both undergraduate and Graduate school in Queens, New York, studying and obtaining degrees in Psychology and Mental Health Counseling. Sandra has been practicing for over a decade as a Clinical Mental Health Counselor, in diverse settings ranging from community outpatient clinics to academic settings and private practices. She has worked with individuals, families, and groups, with a wide variety of situational, behavioral and emotional mental-health conditions as well as those who have experienced relational and other traumas. Sandra is trauma-trained and working with her delivers a warm and inviting atmosphere, blending different techniques with talk-based therapy to connect to the needs of each person. Sandra's work has recently focused on treatment of anxiety disorders, relationship issues and complex family dynamics, life-transitions and stress management. Sandra helps clients work on chronic maladaptive patterns that keep them feeling unwell or stuck in life situations. Her work leads to symptom relief, emotional stability, goal attainment, and improved relationships.

William Gamberino, MD

Staff Psychiatrist

Dr. Gamberino is a board certified adult psychiatrist who has been in practice for over 25 years. He has always been fascinated by how the brain works, especially in the setting of stress, anxiety, and trauma. He completed his training at the Pennsylvania State University College of Medicine MD/PhD program and earned his PhD in Neuroscience. He subsequently completed a Residency in Adult Psychiatry including an Anxiety Disorder Research Fellowship at the University of Florida. Dr. Gamerbino had a private practice for over 10 years with a focus on providing psychotherapy integrated with pharmacological management. He worked for 25 years with adult and geriatric Veterans at Department of Veterans Affairs with focus on treating PTSD, as well as a full range of anxiety and mood disorders including 7 years of providing care through telehealth treatment. Dr. Gamerino also has 10 years of experience working with adolescents in the juvenile justice system.

Dr. Gamberino is experienced and comfortable treating a wide variety of psychiatric conditions including PTSD, mood disorders such as major depression and bipolar disorder, and all anxiety disorders such as generalized anxiety disorder, social phobia, panic disorder, and OCD. He enjoys sharing knowledge with patients to help them better understand the origins of their symptoms and a range of strategies to manage them.

Dr. Gamberino utilizes a non-paternalistic approach respecting the autonomy of his patients while helping them gain insight into their presenting problems utilizing a collaborative shared decision making approach to help reduce symptoms and optimize functioning. His practice combines evidence-based medication management with psychotherapy utilizing elements of supportive, cognitive behavior, and insight-oriented therapy. Dr. Gamberino utilizes a patient, caring approach, meeting patients where they are to empower them with making changes that lead toward improvement and optimization of their wellness.

Bryce Thacker, PMHNP

Staff Nurse Practitioner

Bryce Thacker grew up in a rural community, where he learned the value of helping others achieve their best selves to support overall community health and well-being. With a passion for helping people live their best lives, he earned his undergraduate degree in biology from the University of Nebraska and completed his nursing education at Creighton University. He went on to earn a Master of Science in Nursing, specializing as a Family Nurse Practitioner and in Community Health, from Creighton University, and later completed a nursing practice degree at the University of Colorado with a focus on population and community health. He also holds a post-graduate certification in psychiatric mental health from Washburn University.

Bryce practiced family medicine for 18 years before transitioning to psychiatric mental health in 2022. His background in both physical and mental health gives him a holistic perspective on care. Since shifting his focus, he has helped individuals improve their quality of life through medication management for mood disorders, PTSD, anxiety, ADHD, and other mental health conditions. He continues to live in a rural community with his family and remains committed to helping people become their best selves.

Bryce believes that each person’s “best self” is unique and that mental health care should meet individuals where they are. He emphasizes a collaborative, client-centered approach, always keeping the individual’s goals at the heart of care. He is dedicated to helping clients identify and overcome the symptoms and stressors that interfere with their well-being, and he works to dismantle limiting beliefs or labels that may have been placed on them.

By taking the time to understand each person’s challenges and aspirations, Bryce helps clients find sustainable, holistic paths to wellness. His care is grounded in empathy, respect, and a deep commitment to supporting each person’s journey toward a fulfilling and balanced life.

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Specialties
Medication Management
ADHD
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
States
Wisconsin
Languages
English
Takes insurance
Virtual visits
years experience