Yaejin Park, MD

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Dr. Mullenix is a board-certified adult psychiatrist who strives to form strong therapeutic and collaborative environments with patients and values patient empowerment. Dr. Mullenix received his medical degree from the Chicago Medical School and then went on to complete his residency in psychiatry at Advocate Lutheran General Hospital. His interests and expertise are in helping patients struggling with depression, anxiety, including social/obsessive compulsive and generalized anxiety disorders, and ADHD. He provides psychiatric medication management along with supportive, cognitive behavioral therapy (CBT) and other modalities of therapeutic treatment. Dr. Mullenix's practice focuses primarily on medication management, or pharmacotherapy. He routinely incorporates supportive therapy into his 30-minute follow-up visits. Dr. Mullenix may occasionally recommend that a therapist be part of the care team to provide optimal outcomes. The philosophy of his practice is to actively involve patients in the decision-making process to improve adherence to treatment and build trusting relationships with all patients.

Sheena Dohar, MD

Staff Psychiatrist

Dr. Sheena Dohar is a board certified general psychiatrist. Before joining Talkiatry, she practiced extensively in community mental health with adults of all ages in both outpatient and inpatient settings and as the medical director of several intensive outpatient and dialectical behavioral therapy (DBT) based programs. She has experience in private practice and in the dual diagnoses of mental health and substance abuse disorders. Dr. Dohar graduated from Carnegie Mellon University with a Bachelor of Science in Biology and Psychology and then completed medical school at West Virginia University School of Medicine. She trained during her residency at WVU, where she served as a chief resident and received the Brandon K. Fuller Award for Physician Empathy in 2017. Dr. Dohar's practice focuses on medication management. Her goals include helping people feel comfortable seeking treatment as well as promoting an understanding of the purpose and reasoning behind the use of various medications to treat psychiatric disorders. Typically, she offers this in conjunction with supportive or emotionally focused therapy in 30-minute follow-up visits. When Dr. Dohar may believe that additional therapy is also needed, she will ask that you bring a therapist into your care team to provide the best outcome. Dr. Dohar appreciates and values working with therapists within the Talkiatry practice and in the community in a collaborative effort to promote wellness. She strives to build strong therapeutic relationships with the people that she sees in her practice. Her passions include working in the community at large to encourage a better understanding of mental health disorders and to promote suicide awareness and prevention. She has interests in pharmacogenomics as well as treatment resistant approaches to depression. Dr. Dohar appears in several professional publications.‍

Angela Shields, MD

Chief Psychiatrist, Tennessee

Dr. Angela Shields is a board-certified adult psychiatrist with over 10 years of experience. Dr. Shields' clinical expertise includes treating adults with depression, anxiety, PTSD, and substance abuse. Dr. Shields' greatest passion is bringing healing and hope to those experiencing stress in their lives. Dr. Shields takes an evidence-based, whole health approach to patient care and believes in meeting you "where you are” on your road to recovery. Dr. Shields will welcome you with empathy and sincerity combined with a direct approach to treatment. Dr. Shields grew up in Gulf Breeze, FL. She obtained her Bachelor of Science from Cornell University, graduating Summa Cum Laude. She then completed the Medical Scientist Training Program at Vanderbilt Medical School, earning both her MD and her Ph.D. in Molecular Physiology and Biophysics. Her Ph.D. research focused on stress and its role in relapse to addiction. Following a four-year residency in Psychiatry at Vanderbilt Medical Center, Dr. Shields became board certified in both General Psychiatry and Addiction Medicine. Dr. Shields lives in Nashville, TN. She enjoys hiking, cycling, reading, puzzles, and travel.

Jisoo Park, DO

Staff Psychiatrist

Dr. Jisoo Park is a board-certified psychiatrist. She obtained her bachelor's degree from Tufts University, where she double majored in Biopsychology and Art History. She attended medical school at Nova Southeastern University, and completed her psychiatry residency at Stony Brook University Medical Center. After graduating with her residency, she was appointed clinical assistant professor at Renaissance School of Medicine, where she worked at the Treatment Resistant Depression Clinic. She was involved in teaching medical students and residents, and was part of various research studies and publications. Dr. Park treats a variety of psychiatric disorders in adults, including depression, anxiety, and PTSD. She does not treat patients with ADHD. She emphasizes a patient-centered approach and believes that best treatment outcomes result from a strong therapeutic relationship between a patient and a psychiatrist. She offers medication management and therapy through telehealth sessions. She offers sessions in both English and Korean.

Nicole Martinez, LCPC

Staff Therapist

Dr. Nicole Martinez received her Master's and Doctorate from the Illinois School of Professional Psychology and completed her pre-doctoral and post-doctoral fellowship at Gateway Foundation in Lake Villa, Illinois. She earned a double major in Psychology and Therapeutic Recreation at the University of St. Francis. Dr. Martinez has extensive experience working with children, adolescents, and adults in individual, family, and group treatment. Her therapeutic approach is integrative, combining Cognitive Behavioral Psychotherapy (CBT) with holistic methods, emphasizing Solution Focused Therapy, Reality Therapy, and Positive Psychology. She believes in the mind-body connection and that exploring various areas of an individual's functioning is essential for optimum physical and emotional health. Dr. Martinez emphasizes a collaborative therapist-client relationship, where both act as partners in designing treatment goals. She values identifying ineffective past modalities to avoid frustration and ensure personalized care. Recognizing that each person is unique, she adapts to the patient's evolving needs, ensuring they feel heard and supported for positive outcomes. Her areas of expertise include health psychology, complex trauma, PTSD, depression, anxiety, social anxiety, bipolar disorder, ADHD, autism spectrum disorders, LGBTQIA populations, bereavement, forensics, substance abuse, couples work, MISA, co-occurring disorders, domestic violence, sex offenders, special needs populations, and chronic medical issues and rare diseases. She is skilled in the evaluation and assessment of these populations.

Alaina Ables, LMHC

Staff Therapist

Alaina Ables is a Manhattan-based mental health counselor with a wide range of experience with different populations and diagnoses. She has worked with children, adolescents, adults, and couples in both addiction and traditional mental health settings. Alaina is also licensed in Virginia and is available for virtual sessions. Alaina specializes in working with teenagers, college students, and the LGBT Community. Alaina also focuses on treating Anxiety, BPD, ADHD, Trauma, and General Life Stressors.

Alaina operates from a Person-Centered Lens which means the client is the expert in their own life, therefore, she will collaborate with you to find the best possible approach.

Alaina provides a comfortable, non-judgmental, and multicultural lens to ensure the ability of tacking each issue in a safe and healthy way.

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Michael Stoddard, MD

Staff Psychiatrist

LANGUAGES

English

CONDITIONS TREATED

ADHD, Anxiety, Bipolar Disorder, Depression, PTSD/Trauma

Education and Training:

University of Arizona College of Medicine - Tucson, MD

University of Arizona College of Medicine - Phoenix, Residency

Dr. Stoddard earned his medical degree from the University of Arizona College of Medicine - Tucson and completed his residency at the University of Arizona College of Medicine - Phoenix. He is board-certified in psychiatry and provides care for adult patient populations. Prior to his career in medicine, he proudly served in the U.S. Air Force.

Although Dr. Stoddard specializes in medication management of psychiatric conditions, supportive psychotherapy is often incorporated into his visits, as he believes a combined approach leads to a more robust treatment response. Additionally, he aims to enhance wellness through discussion of lifestyle modifications that emphasize quality sleep, a healthy diet, and regular exercise.

Initial appointments consist of a psychiatric evaluation and discussion of evidence-based treatment options. If telehealth is deemed to be an appropriate modality and pharmacotherapy is recommended, discussion will consist of selecting a suitable medication to address target symptoms while minimizing adverse effects. Follow-up visits focus on assessing treatment response and adjusting regimens to optimize outcomes.

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David Guggenheim, PsyD

National Director of Psychotherapy

Dr. David Guggenheim is an experienced clinical psychologist and health care administrator. He has worked with patients at different stages of life, including children, adolescents, and adults, and he has treated patients living with a wide range of mental health conditions, including anxiety, depression, post-traumatic stress disorder (PTSD), substance use, and attention-deficit hyperactivity disorder. Dr. Guggenheim has specific training in Trauma-Focused Cognitive Behavioral Therapy, Motivational Interviewing, and foundational training in dialectical behavioral therapy. Prior to joining Talkiatry, Dr. Guggenheim served as the Chief Behavioral Health Officer at Callen-Lorde Community Health Center in New York City, specializing in LGBTQ+ health care. In that role, he oversaw teams of providers including psychiatrists, psychologists, and social workers, who collectively provided care to thousands of patients in the New York metropolitan area. While at Callen-Lorde, he also served as co-chair for the behavioral health subcommittee of the Community Health Center Association of New York State; worked as an Adjunct Professor at Post University; and performed volunteer clinical work at the Weill Cornell Center for Human Rights. Before joining Callen-Lorde, Dr. Guggenheim worked as Associate Chief Behavioral Health Officer at Community Health Center, Inc., a federally qualified health center in Connecticut. A recognized expert, Dr. Guggenheim has delivered lectures to audiences ranging from medical schools to corporate executives, and he has been quoted in national media including The Advocate, Yahoo Finance, and Teen Vogue. Dr. Guggenheim has also been honored with an Early Career Achievement Award from the American Psychological Association in 2016. Dr. Guggenheim received his Bachelor of Arts from the University of Connecticut in 2002 and his Doctor of Psychology in Clinical Psychology from the American School of Professional Psychology at Argosy University/Washington, DC in 2009.

Troy Grantham, MD

Staff Psychiatrist

Dr. Troy Grantham is a board-certified staff psychiatrist who treats adult patients. A former engineer, Dr. Grantham has developed a passion for guiding patients along the road to recovery. He completed his undergraduate studies at The University of Texas at Austin and later completed medical school and residency in General Psychiatry at The University of Texas Medical Branch at Galveston. Dr. Grantham's practice focuses on medication management. He utilizes a systematic approach to ensure diagnoses are accurate and treatment plans are optimized to each individual patient. His approach is also holistic in nature, often incorporating therapy and lifestyle modification into the treatment plan. Dr. Grantham employs multiple therapeutic approaches in his practice depending on the needs of the patient including supportive therapy, Cognitive Behavioral Therapy (CBT), and Acceptance and Commitment Therapy (ACT). He places great emphasis on psychoeducation so that patients are aware of the nature and prognosis of their conditions as well as the treatment options available. When multiple treatment options are reasonable, Dr. Grantham takes patient preference into account, offering flexibility to the patient experience. He treats a variety of psychiatric disorders with a particular focus on mood disorders, anxiety disorders, obsessive-compulsive disorders, and trauma-related disorders. Please note: Dr. Grantham does not prescribe long-term, daily benzodiazepine medications, however, he is happy to help you taper off of these medications and transition to a safer, long-term medication regimen. In addition, Dr. Grantham does not treat ADHD nor prescribe stimulant medications.

Lucky Ly, DO

Staff Psychiatrist

Dr. Lucky Ly is a board-eligible psychiatrist who received his medical degree at Lake Erie College of Osteopathic Medicine and completed training in the psychiatric residency program at Millcreek Community Hospital. He has experience treating various psychiatric disorders including depression, anxiety, obsessive-compulsive disorder, bipolar disorder, attention deficit/hyperactivity disorder, and other related disorders. Dr. Ly uses evidence-based treatments and supportive psychotherapy such as cognitive behavioral therapy and interpersonal psychotherapy to help his patients. He encourages open communication and active participation as he believes they are key to successful treatment.

Ayanna Swinton Jamison, MD

Staff Psychiatrist

Dr. Ayanna Swinton Jamison is a board-certified psychiatrist with over 18 years of experience in general, as well as child and adolescent psychiatry. She has extensive experience in counseling, and medication management. Dr. Jamison is committed to educating her patients about their illness and providing personalized care for each patient. Dr. Jamison received her undergraduate degree from Jackson State University. She graduated from Saint Louis University Medical School and completed her residency training in general psychiatry and child and adolescent psychiatry at the University of South Carolina. Dr. Jamison is a proud mom of four who enjoys spending time with her family, and attending her kids' sports events.

Paulina Bollat Orbea, LCSW

Staff Therapist

Paulina Bollat Orbea is a Licensed Clinical Social Worker in Florida and Colorado. She earned her Master’s Degree in Social Work at Florida International University and has worked in a variety of clinical settings including outpatient clinic, psychiatric hospital, correctional facility, community mental health, university counseling and research and private practice environments.

Paulina has experience working with individuals who experience depression, anxiety, trauma, stress, family conflict, LGBTQ+ related concerns, substance use disorders and other mental health concerns. Paulina has worked with people of diverse ethnicities, cultures and identities. As a Guatemalan native, she is also able to offer therapy in Spanish.

Paulina’s therapeutic approach is dependent on the patient’s needs. She largely follows a Cognitive Behavioral approach, while also implementing psychodynamic, Internal Family Systems, Person-Centered and Solution-Focused orientations. Her treatment style prioritizes evidence-based practice and a therapeutic alliance built through empathy, collaboration and cultivating a safe, judgement-free space for the patient.

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Yaejin Park, MD

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Thomas Mullenix, MD

Staff Psychiatrist

Sheena Dohar, MD

Staff Psychiatrist

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Chief Psychiatrist, Tennessee

Jisoo Park, DO

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Alaina Ables, LMHC

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Michael Stoddard, MD

Staff Psychiatrist

David Guggenheim, PsyD

National Director of Psychotherapy

Troy Grantham, MD

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Lucky Ly, DO

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Paulina Bollat Orbea, LCSW

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