Ruben Mendez, MD

Margaret Mary Reyes, MSN, APRN, PMHNP-BC, is a board-certified Psychiatric Mental Health Nurse Practitioner committed to delivering patient-centered and compassionate mental health care. A proud Florida native, she earned her Bachelor of Science in Nursing (BSN), Master of Science in Nursing (MSN), and post-master’s certification in Psychiatric Mental Health Nursing from Florida Atlantic University (FAU). Her academic research focused on improving outcomes for women living with Premenstrual Dysphoric Disorder (PMDD).

Margaret has advanced practice experience in both inpatient and outpatient psychiatric settings. She has treated individuals with a wide range of mental health conditions, including psychotic disorders, bipolar spectrum disorders, depressive and anxiety disorders, trauma-related disorders, attention deficit disorders, personality disorders, substance use and co-occurring disorders, eating disorders, suicidality, homelessness, and severe mental illness (SMI) within the criminal justice system. Her clinical background also includes acute care experience in oncology, medical-surgical, telemetry/cardiac step-down, intensive care, nursing research, and consultation-liaison psychiatry.

She takes an integrative and comprehensive approach to mental health care, combining medication management with evidence-based complementary and alternative interventions. Her practice is grounded in the understanding of the mind-body-spirit connection and the gut-brain axis. Margaret incorporates supportive therapy, motivational interviewing, and mindfulness-based cognitive techniques to support her patients’ overall well-being.

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Dr. Kamil Dar graduated from Boston Medical Center Brighton, Massachusetts, from the Department of Psychiatry. He received his training in Interventional Psychiatry including ECT and TMS at Beth Israel Deaconess Medical Center, a Harvard University Teaching Hospital. He has multiple publications in research. Dr. Dar is culturally diverse and speaks English, Urdu, Punjabi, Hindi and Chinese Mandarin. In his free time, he enjoys playing sports with his family, including soccer and cricket.

While assessing his patients with the biopsychosocial model, he treats with evidence based treatment.

He utilizes therapeutic techniques such as cognitive behavioral therapy and psychodynamic therapy in conjunction with medication for optimal results.

Background and credentials

Dr. Stefan is a psychiatrist with extensive experience in outpatient care, inpatient care, and assertive community treatment. She has served as a medical director for large institutions, overseeing the treatment of individuals with complex mental illnesses. Born and raised in Puerto Rico, she is fluent in both English and Spanish. She earned her medical degree from the University of Puerto Rico School of Medicine and completed her psychiatry residency at the University of Florida, where she received recognition for her skills as a psychotherapist.

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Treatment approach

Dr. Stefan is deeply committed to patient-centered care, adapting her role to the individual needs of each patient. She believes in treating the whole person, rather than just a diagnosis, recognizing that each patient has unique psychosocial circumstances. She has a strong foundation in psychotherapeutic interventions and is dedicated to providing engaging, compassionate, and meaningful therapy in every patient interaction. With over 10 years of experience as a psychiatrist, she has worked extensively in telemedicine since 2013, ensuring that remote care is as effective and personal as in-person visits.

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What you can expect in a first visit

Patients meeting Dr. Stefan for the first time can expect a comprehensive and holistic evaluation that considers their symptoms, personal history, and life circumstances. She takes the time to build strong therapeutic relationships, fostering a caring and engaging environment where patients feel understood and supported. Whether through telemedicine or in-person care, she prioritizes personalized treatment plans that integrate medication management and psychotherapy, ensuring the highest quality of care tailored to each patient’s needs.

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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. Jared Gorsuch, DO, earned his medical degree from Western University of Health Sciences College of Osteopathic Medicine of the Pacific in Pomona, California, graduating with Highest Honors. He completed his psychiatry residency at Loma Linda University in Loma Linda, California. Dr. Gorsuch has experience practicing psychiatry in both inpatient and outpatient settings, including roles at Gundersen Health System and the University of Pittsburgh Western Psychiatric Hospital, as well as virtual outpatient care through the University of Pittsburgh.

Dr. Gorsuch strives to foster a safe, respectful, and affirming environment where patients feel comfortable sharing their concerns. He treats a wide range of conditions, including depression, anxiety disorders, PTSD, ADHD, bipolar disorder, OCD, personality disorders, and LGBTQ+–related mental health concerns. He values collaboration, empathy, and transparency, and believes treatment is most effective when patients feel heard and supported.

During initial visits, Dr. Gorsuch takes time to complete a thorough psychiatric evaluation while building trust and rapport. He works collaboratively with patients to develop individualized treatment plans that align with their personal goals. His approach emphasizes thoughtful assessment, evidence-based care, and ongoing adjustment to help patients achieve long-term success.

Dr. Tangeneare Singh earned a BS, Summa Cum Laude, from Tuskegee University and an MD from University of Chicago Pritzker School of Medicine. Commissioned in the United States Army, she completed psychiatry residency and child and adolescent fellowship at Walter Reed Army Medical Center. She later led Behavioral Health at Blanchfield Army Community Hospital and served 15 years as Department Chief at Alexander T. Augusta Military Medical Center, expanding key programs and mentoring staff and trainees. She retired as a CAPTAIN (O6) in 2026 with over 20 years of practice.

Dr. Singh provides a safe, nonjudgmental space where patients and families can openly share concerns. She partners with them to select evidence-based treatments that best address their symptoms and goals.

She begins with a thorough discussion of strengths, stressors, and biological and social factors to determine safety and level of care. Together, they develop a plan that may include medication, therapy, or referrals, with testing as indicated. Follow-ups include symptom review, plan adjustments, and attention to sleep, exercise, nutrition, hydration, and basic needs.

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.