OCD Psychiatrists in California

Dr. Marla Richard is a Stanford-trained board-certified psychiatrist and is board-eligible for geriatric psychiatry from UCSD. She has been practicing in a variety of settings for the last 30 years. Dr. Richard uses an integrated health paradigm with general and geriatric patients using traditional psychopharmacology, interpersonal neurobiology practices, and personality assessments to look at root motivations for behaviors to address core issues and with medication management as needed. Dr. Marla believes that you need to take a whole-person approach to both mental and physical health. She received her undergraduate degree from the University of Minnesota, Duluth, and then attended medical school at Stanford Medical School to complete her MD. With visions of becoming a general surgeon, she went to the University Hospitals of Cleveland and completed two years of general surgery training before seeing the light and transferring to psychiatry. She completed her psychiatry training at Stanford University and geriatric training many years later at UCSD. Her focus includes an integrated approach to the consideration of mental and physical health while incorporating mindfulness tools to teach skills of stress and anxiety management in everyday life. In conjunction with medication management, she uses interpersonal neurobiology to help clients understand triggers as well as methods to calm overactive stress responses and reactivity.

Dr. Duy Tran is a board-certified adult psychiatrist. He received his medical doctorate degree from the University of Texas Southwestern Medical School and completed his residency training in general psychiatry at the University of Michigan. Dr. Tran aims to provide mental health care that helps patients live more fulfilling lives. In his training, Dr. Tran gained extensive experience treating psychiatric disorders in diverse populations, including college students, LGBTQ+ individuals, perinatal women, veterans, and those with socioeconomic disadvantages. He has worked with experts on cases of treatment-resistant depression and provided consultations for patients considering procedural interventions, such as transcranial magnetic stimulation (TMS), electroconvulsive therapy (ECT), and ketamine infusion therapy. Although Dr. Tran's practice primarily focuses on medication management, he uses a holistic approach in developing individualized treatment plans. He typically incorporates elements of various psychotherapy modalities, including supportive, cognitive behavioral (CBT), dialectical behavioral (DBT), and insight-oriented therapy, in 30- or 45-minute follow-up visits. Occasionally, Dr. Tran may believe that more intensive therapy is needed and recommend that you bring a dedicated therapist into your care team for an optimal outcome.

Dr. Kamyl Bogan, a board-certified psychiatrist, attended Vanderbilt University for her undergraduate education and earned her medical degree from the Quillen College of Medicine. She completed her psychiatry residency and community fellowship at the University of Florida College of Medicine – Jacksonville. Dr. Bogan was inducted into the Gold Humanism Honor Society in recognition of her compassionate care and was selected as an APA SAMHSA Fellow, where she designed a conference focused on resources for individuals with substance use disorders.

Dr. Bogan strives to create a welcoming and supportive environment for her patients. She listens with empathy and compassion, ensuring that every individual feels heard and safe throughout their care. She is dedicated to practicing with cultural humility and responsiveness, using evidence-based approaches to meet the diverse needs of those she serves.

In initial appointments, Dr. Bogan takes time to explore each patient’s history, primary concerns, and symptoms. Together, they establish treatment goals and collaborate on a personalized plan that may include medication management, therapy, or a combination of both to promote meaningful and sustainable improvement.

Mu Xu, MD is a Psychiatrist at Talkiatry. He obtained his medical doctorate degree from the University of Chicago Pritzker School of Medicine and PhD from New York University. He completed his psychiatry residency at New York University. Dr Xu is licensed to practice in California, New York, New Jersey, Connecticut, Pennsylvania, and Maryland. Dr. Xu provides both medication management for a variety of psychiatric conditions. Dr. Xu is fluent in English and Mandarin. Dr. Xu is a general adult psychiatrist specializing in medication management. He values building strong connections with patients from all walks of life and tailoring treatments to their unique needs. His working style is characterized by attentive listening, detailed follow-up questions, and straightforward communication, fostering a collaborative and empathetic environment.

Dr. Daniel Weiss is a double board-certified psychiatrist in adult and forensic psychiatry. His expertise is in diagnosing and treating psychiatric conditions, including depression and bipolar spectrum disorders, anxiety, stress and adjustment problems, maternal mental health, OCD, and other disorders. In addition, he has extensive experience working with individuals from diverse backgrounds, college and graduate students, creative professionals, and a range of working adults. Through a supportive psychopharmacologic approach, Dr. Weiss strives to provide a comfortable experience in which doctor and patient work to understand the presenting problems, reduce symptoms, and optimize functioning. In addition, Dr. Weiss encourages concurrent therapy and will communicate with that provider in a collaborative care arrangement. Dr. Weiss previously served as an attending psychiatrist on the staff of Montefiore Medical Center and was formerly a faculty member at the Albert Einstein College of Medicine. Before joining Talkiatry, Dr. Weiss spent a decade working at The New School as the university's staff psychiatrist.

Dr. Garrick Gaffney is board certified in psychiatry by the American Board of Psychiatry and Neurology (ABPN). He earned his medical degree from Kansas City University and completed his psychiatry residency at John Peter Smith Hospital in Fort Worth, Texas. A combat veteran, he served in the U.S. Marine Corps, including a tour in Iraq, and was honored with the Navy and Marine Corps Achievement Medal and a Certificate of Commendation for exemplary leadership.

During medical school, Dr. Gaffney pursued advanced training as an Osteopathic Manipulative Medicine fellow. As a resident, he served as Chief Academic Resident and earned accolades such as Intern of the Year and Outstanding Educator of the Year twice consecutively.

Dr. Gaffney specializes in treating complex psychiatric conditions, including depression, anxiety, PTSD, OCD, bipolar disorder, and insomnia. He has presented case studies and quality improvement projects at national conferences, including the American Psychiatric Association (APA), Academy of Consultation-Liaison Psychiatry, and Association for Academic Psychiatry.

A proponent of holistic care, Dr. Gaffney integrates psychotherapy into medication management and emphasizes lifestyle modifications and evidence‑based integrative medicine.

New patients receive comprehensive evaluations to rule out medical causes of symptoms, followed by tailored treatment plans combining therapy, medication, and lifestyle adjustments. Follow‑up visits focus on symptom management through supportive, brief dynamic, or cognitive behavioral therapy, with frequent appointments until stabilization is achieved.

Dr. Gaffney is committed to collaborative, patient‑centered care that addresses both mental and physical well‑being.

Dr. Mustafa Taquee is a board-certified Adult Psychiatrist. After receiving his undergraduate degree from Wayne State University in Detroit, he completed his medical degree at Oakland University William Beaumont in Rochester, MI. He is a graduate of the Adult Psychiatry Residency Program at St. Mary Mercy Hospital in Livonia, MI. As a testament to Dr. Taquee's desire to help patients reach their full potential, he has also completed a psychotherapy fellowship through the Michigan Psychoanalytic Institute. Dr. Taquee believes that every patient brings their own mosaic of experiences embedded in a unique story. He understands that building a strong therapeutic relationship through empathy, compassion, trust, and respect is essential. He enjoys taking time to understand his patient's goals, offer psychoeducation, and create a collaborative plan for treatment with the patient. He believes in a holistic approach to mental health treatment, which includes medication management, supportive and cognitive behavioral therapy techniques, as well as mind-body medicine techniques. He also has a special interest in psychodynamic therapy, an in-depth therapy modality, which he incorporates in all patient interactions and sessions. Due to the diversity and richness of culture in southeast Michigan, Dr.Taquee has experience working with patients from varied backgrounds. He enjoys the challenge such a heterogeneous environment brings and is particularly fond of working with young adults experiencing life transitions. He also has experience working with patients from lower socioeconomic backgrounds, as well as adolescents and geriatric populations.

Seth Sultan, LCSW, earned his Master of Social Work degree from California State University, Northridge. He is a practitioner of Somatic Experiencing; a psychobiological treatment focused on resolving trauma and stress. Seth also has specialized training in Exposure and Response Prevention (ERP) for the treatment of OCD. He integrates these modalities with Cognitive Behavioral Therapy (CBT), Mindfulness, and Attachment Theory to provide a holistic and individualized therapeutic experience.

Seth believes therapy is a space where individuals should feel heard, seen, and understood. He offers a supportive and nonjudgmental environment that encourages self-discovery and personal growth. His goal is to help clients move toward their best selves while building stronger, healthier relationships.

Seth utilizes a collaborative and compassionate approach, empowering clients to challenge old patterns and create meaningful change. He strives to establish a sense of safety within the therapeutic relationship, exploring emotional, physical, cognitive, and spiritual dimensions to help each person live a more authentic and fulfilling life.

Dr. Iris Guerrero Urena is double board-certified in psychiatry and consultation-liaison psychiatry. She received her medical degree from Universidad Iberoamericana in the Dominican Republic and went on to complete psychiatric residency at Lincoln Hospital in New York City. Dr. Guerrero then completed a consultation liaison fellowship at Morningside and West Mount Sinai Hospital in New York, further acquiring proficiency in caring for patients with complex medical and psychiatric comorbidities. After completing training, Dr. Guerrero worked in an acute inpatient unit and as a psychiatric consultant for patients admitted to medical units in Oregon. Dr. Guerrero Urena focuses on medication management while also implementing elements of supportive, dialectical behavioral, and cognitive behavioral therapy within each session to fully address individual needs. At times, Dr. Guerrero Urena may recommend a therapist for additional therapy. Dr. Guerrero Urena is experienced in treating a wide range of psychiatric conditions including depression, bipolar disorder, anxiety, PTSD, OCD.

Dr. George Han is an adult psychiatrist who earned his undergraduate degree in Materials Science and NanoEngineering from Rice University, his medical degree from the University of Texas Southwestern Medical Center, and completed his psychiatry residency training at the University of Mississippi Medical Center. Now based in New York City, Dr. Han brings a broad geographic and cultural perspective, having previously lived in China, Canada, Illinois, California, Texas, and Mississippi.  

Drawing on these diverse experiences, Dr. Han is committed to providing culturally responsive and identity-affirming care, with a particular focus on immigrant communities, LGBTQIA+ individuals, and high-performance professionals. He uses a collaborative, narrative-informed approach that centers each patient’s lived experience and values. His integrative method helps individuals recognize emotional and behavioral patterns shaped by cultural, relational, and systemic factors.  

In clinical practice, Dr. Han combines evidence-based medication management with appropriate psychotherapy techniques and elements of executive coaching. This comprehensive approach supports patients navigating high-pressure environments, helping them achieve greater clarity, resilience, and confidence across both personal and professional domains

Dr. Alexa Hall is a board-certified adult psychiatrist with extensive training and experience across inpatient, partial hospitalization, intensive outpatient, and outpatient psychiatry settings. She earned her medical degree from Saint Louis University School of Medicine and completed her psychiatry residency at Harvard South Shore. Through her clinical work with the Harvard Medical School system and the Boston VA Healthcare System, Dr. Hall developed expertise in caring for diverse patient populations. She has also served as Medical Director for multiple psychiatry practices, overseeing services such as outpatient medication management, Spravato, IV Ketamine, and Transcranial Magnetic Stimulation (TMS). Outside of work, she enjoys cooking and spending time with her family.

Dr. Hall provides a supportive, non-judgmental environment where patients feel heard, respected, and understood. She takes a collaborative approach, working in partnership with patients to set and achieve individualized wellness goals. Her practice emphasizes whole-person care, integrating both mental and physical well-being into each treatment plan.

Dr. Hall begins by listening closely to understand each patient’s history, experiences, and concerns. From there, she collaborates with patients to identify their personal treatment and wellness goals. She develops individualized treatment plans tailored to these goals, focusing on supporting meaningful progress and long-term well-being.

Dr. Sujith Maracheril is a board-eligible psychiatrist who provides comprehensive patient care while building a physician-patient relationship centered on communication, empathy, and respect. His primary focus is medication management, and he also provides supportive psychotherapy to help patients work toward long-term improvements. While aligning treatment toward patient goals, he takes a practical approach to changes that can be made to empower patients in their lives. Dr. Maracheril is a graduate of the Sophie Davis Biomedical Education Program at the CUNY School of Medicine, a 7-year BS/MD program. He completed his residency training in psychiatry at the Zucker School of Medicine/Northwell Health at Mather Hospital. He has trained in many settings including inpatient psychiatric units, general and specialized outpatient clinics, and at a partial hospitalization program. Dr. Maracheril has experience treating a broad range of mental health conditions including depressive disorders, bipolar disorder, anxiety disorders, ADHD, and OCD. He understands that people may experience these conditions in different ways, and he aims to treat each patient in an individualized and holistic way.

Dr. Holly Shiao is a psychiatrist who has worked extensively with medically complex patients, including a special focus in psycho-oncology with cancer patients. She is double board-certified in Consultation-Liaison Psychiatry and Adult Psychiatry. She has been practicing for over 7 years. Before Talkiatry, Dr. Shiao worked as an Assistant Professor at the University of Washington and Fred Hutchinson Cancer Center. She also worked as an Assistant Professor and was Director of Emergency Psychiatry at the University of Chicago. She has presented nationally at the Academy of Consultation-Liaison Psychiatry and written a book chapter about psycho-oncology. Dr. Shiao attended medical school at John P. and Kathrine G. McGovern Medical School at the University of Texas Health Science Center at Houston. She then completed an Adult Psychiatry residency at the University of Texas Medical Branch at Galveston, followed by a Consultation-Liaison fellowship at Dell Medical School at the University of Texas at Austin. Dr. Shiao is interested in the mind-body connection in overall emotional and mental well-being. She likes to integrate therapy modalities, such as cognitive behavioral therapy, supportive therapy, mindfulness and meditation with medication management to optimize a patient's mental health.

Background and credentials

Dr. Sabera Saklayen is a board-certified psychiatrist licensed in Adult Psychiatry. She earned her bachelor’s degree from Ohio State University and her medical degree from Wright State University Boonshoft School of Medicine. She completed her psychiatry training at Stony Brook University Hospital, where she served as chief resident and was awarded the William Turner Award for outstanding performance in psychiatry residency. She has extensive experience treating diverse populations, including vulnerable and underserved communities, having worked as an outpatient psychiatrist at Bellevue Hospital for two years.

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Treatment approach

Dr. Saklayen specializes in medication management but takes a holistic, patient-centered approach that integrates supportive therapy, cognitive-behavioral therapy (CBT), and motivational interviewing (MI). She has extensive experience treating depression, bipolar disorder, generalized anxiety, panic disorder, social anxiety, OCD, insomnia, and substance use disorders. She is particularly skilled in treating college students and individuals navigating difficult life transitions. If more in-depth therapy is needed, she may refer patients to a therapist as part of a comprehensive care plan.

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What you can expect in a first visit

During the first visit, patients can expect a thorough and compassionate evaluation, where Dr. Saklayen carefully assesses symptoms, history, and treatment goals. She prioritizes collaboration and individualized treatment planning, ensuring that patients feel comfortable and supported in their mental health care. Follow-up visits are typically 30 minutes and focus on medication management and therapy integration, with referrals to additional therapy when needed for the best possible outcome.

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Why Talkiatry?

We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

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Background and credentials

Dr. John Whittier is a board-certified psychiatrist. He earned his Bachelor of Arts in Molecular, Cellular, and Developmental Biology from the University of Colorado at Boulder and went on to obtain a master’s degree in Medical Science from Loyola University Chicago. He completed his medical training at the Robert Larner, M.D. College of Medicine at The University of Vermont and returned to Colorado for his psychiatry residency at the University of Colorado School of Medicine. While in residency, he specialized in the Psychotherapy Scholars Program and has since gained four years of experience treating psychiatric conditions through telehealth.

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Treatment approach

Dr. Whittier primarily focuses on medication management for general psychiatric conditions. His approach is individualized, ensuring that each patient receives a treatment plan tailored to their unique needs. He integrates supportive therapy, medications, and evidence-based alternative therapies to provide a flexible and comprehensive approach. In addition to his general practice, he maintains a psychodynamic psychotherapy panel where he helps patients explore developmental and relational patterns that contribute to their symptoms. His specialties include treating depression, anxiety, adjustment disorders, PTSD, insomnia, bipolar disorder, and ADHD.

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What you can expect in a first visit

During the first visit, patients can expect a one-hour comprehensive intake during which Dr. Whittier thoroughly evaluates their symptoms, medical history, and personal goals. He provides treatment options that prioritize flexibility, allowing patients to take an active role in their care. Follow-up visits typically last 20 to 30 minutes, focusing on assessing treatment progress and making necessary adjustments. For those engaged in psychodynamic psychotherapy, longer one-hour sessions are available for in-depth exploration of underlying psychological patterns.

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Why Talkiatry?

We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

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Dr. Barbara Lampert is a board certified psychiatrist, diplomat of The American Board of Addiction Medicine, and Fellow of the American Society of Addiction Medicine. She trained at the Downstate School of Medicine in Brooklyn, NY, completed her internship at Georgetown University in Washington, DC, and her residency in Psychiatry at the David Geffen School of Medicine at UCLA in Los Angeles. Over 30 years, she has worked in inpatient and outpatient settings, taught 3rd-year residents psychopharmacology in the Mood Disorder clinic she created, consulted in the prison system, and volunteered in the aftermath of natural disasters. She joined the New Mexico Medical Reserve Corps and was active in the Corps while working in her private practice. She continued to study the effects of trauma when she returned to California in 2008. She received specialized training in EMDR and Dialectic Behavior Therapy. In addition, she studied substance abuse problems and became a Diplomate of the American Board of Addiction Medicine. Empathy forms the core of Dr. Lampert's approach to treating patients. Working with trauma survivors, she believes that the goal is not to dwell on "the story” because patients often need time to reconstruct an accurate history. Rather, helping patients manage the challenge of living in the present moment is a worthy goal. Dr. Lampert has been named one of the Best Doctors in America for the treatment of mood disorders and one of the Best Doctors in California. She has remained dedicated to the dual path she's followed for years: excellence in Biological Psychiatry and psychology. She looks forward to working with you to help you achieve your treatment goals.