Samuel Russell, MD

Dr. Zac Keller, DO, DABPN (he/his), is a board-certified psychiatrist with experience across inpatient and outpatient settings. He has held leadership roles including Interim Medical Director and Director at Richard Young Hospital, where he also created and led the hospital’s ECT program. Dr. Keller’s clinical focus includes ADHD, PTSD, and personality disorders, and he brings an integrative lens to psychiatric care.

Dr. Keller takes a collaborative, supportive, and evidence-based approach to treatment. He values confidentiality, culturally sensitive care, and trauma-informed practice. Known for his warm yet direct communication style, he works to create a respectful, nonjudgmental environment where patients feel heard, understood, and actively involved in their care.

Care begins with a comprehensive intake that explores medical, psychiatric, social, and functional aspects of a patient’s life. Session length and frequency are tailored to individual needs. Treatment plans are developed collaboratively and may include medication management combined with talk therapy and other evidence-based interventions. Progress is reviewed regularly and adjusted based on ongoing dialogue.

Dr. Fang is a board-certified psychiatrist who completed his psychiatry residency at Duke University, where he received extensive training in Psychopharmacology, Psychotherapy (“Talk Therapy”), Transcranial Magnetic Stimulation (TMS), and Electroconvulsive Therapy (ECT). Throughout his life, Dr. Fang has lived in various places such as China, Canada, Upstate New York, Maine, and North Carolina, where he currently resides. This rich cultural experience allows him to connect with individuals from diverse backgrounds, which is crucial in the field of psychiatry where treatment is so highly personal. Dr. Fang has also practiced in multiple settings including a college mental health clinic, an adult ADHD clinic, a perinatal psychiatry clinic, a VA hospital, and a residential recovery program.

While Dr. Fang’s current practice is primarily focused on medication treatment, he utilizes his training as a therapist to ensure that patients feel understood and empowered to discuss any other issues they might be facing. With experience in many modalities of therapy including Psychodynamic, Supportive, Cognitive Behavioral Therapy (CBT), and Acceptance and Commitment Therapy (ACT), Dr. Fang knows that one size does NOT always fit all. If more in-depth therapy is felt to be beneficial, Dr. Fang may refer clients to a separate therapist.

Dr. Pallavi Tatapudy, MD, earned her medical degree from the Renaissance School of Medicine at Stony Brook University, where she was inducted into the Gold Humanism Honor Society. She completed Stony Brook’s combined residency in Adult Psychiatry and fellowship in Child and Adolescent Psychiatry, along with the Leadership Education in Neurodevelopmental Disabilities Fellowship. Board certified in adult psychiatry and board eligible in child and adolescent psychiatry, she has worked across inpatient, emergency, outpatient, and school settings. Her training includes expertise in Cognitive Behavioral Therapy, Psychodynamic Psychotherapy, and Motivational Interviewing, and she incorporates principles from Supportive Psychotherapy, Dialectical Behavior Therapy, and Family Systems Therapy.

Dr. Tatapudy’s warm, approachable style values each patient’s lived experience. She practices attunement to align with her patients and prioritizes cura personalis—care for the whole person. She is skilled in medication management for a wide age range and integrates therapeutic skill-building. Outside of work, she enjoys nature, visiting national parks, water activities, Indian Bhangra dance, music, and reflecting on meaningful quotes.

Dr. Tatapudy sets a collaborative agenda, listens attentively, and thoroughly reviews patient history. She includes perspectives from support systems when appropriate, offers psychoeducation with creative examples, and encourages open questions and feedback. She shares credible resources, supports learning together, and helps patients define realistic goals and measurable benchmarks for progress.

Dr. Blanca Osorio-Candelaria is a board-certified adult psychiatrist and has been practicing for over 16 years. Her practice focuses on medication management, which she typically combines with supportive therapy in 30-minute follow-up visits. If Dr. Osorio-Candelaria feels you would benefit from working with a therapist in conjunction with medication management, she welcomes collaboration with your therapist to make for the best outcome. ‍Dr. Osorio-Candelaria is a graduate of the University of Puerto Rico School of Medicine in San Juan, PR. She completed her residency at Tripler Army Medical Center in Hawaii, followed by a fellowship in Child and Adolescent Psychiatry. Her years of experience started as a medical officer for the Army, including a deployment to Iraq. Her working experience after her military service includes working as a medical director of a community health center, a medical director of a community hospital, a medical director of an inpatient unit, and working for an Assertive Community Treatment Team (ACT) specializing in the Serious Mentally Ill population.‍Dr. Osorio-Candelaria specializes in psychopharmacology, especially tailoring individualized treatment to serve the needs of patients with a variety of conditions. She has a lot of experience in treating patients with depression, anxiety, bipolar disorders, post-traumatic stress disorders, Insomnia, and ADHD. She also has experience in treating patients with medical comorbidities.

Dr. Peppers works with patients to meet the goals that matter to them. She believes that feeling heard and being understood are key factors in a successful treatment relationship.

She has been working in telehealth since 2018. She has worked extensively with patients dealing with trauma from childhood abuse, assaults, combat, and accidents. She also has a lot of experience treating depression, anxiety disorders, bipolar disorder, ADHD, and personality disorders.

After completing her training, Dr. Peppers worked in private practice and in various roles for the Department of Veterans Affairs. She most enjoys working in the clinic because of the long term follow-up.        

Dr. Peppers enjoys her work and includes psychotherapy in her appointments. She offers medication options to treat symptoms but also works with patients to examine behaviors and defenses that may be contributing to their problems. For patients who would benefit from more extensive psychotherapy, she may refer patients to a therapist and work collaboratively with the therapist.

She starts off with a thorough evaluation to make a diagnosis. Then, she works with patients to determine what their treatment goals are and develops a treatment plan to meet those goals.

Dr. Brenda Y. Camacho holds the position of Staff Psychiatrist at Talkiatry. She is board-certified in Adult Psychiatry. She has been practicing for over 25 years. While having treated a wide range of adult patients, Dr. Camacho's primary focus is treating adult outpatients with mood or psychotic disorders. Her practice focuses on medication management. Typically, she offers this in conjunction with supportive or insight-oriented therapy in 30-minute follow-up visits. On occasion, Dr. Camacho will believe additional therapy is also needed and asks that you bring a therapist into your care team to provide the best outcome. Dr. Camacho completed her undergraduate studies at Tufts University. She received her medical degree from Temple University School of Medicine in Philadelphia, PA and then continued with Temple for her residency in adult psychiatry. After completing training, Dr. Camacho worked at Cooper Hospital in Camden, NJ as Associate Director of Consultation/Liaison Service and Psychiatry Residency Training and Co-Director of the Neuropsychiatry Clinic. She then began working exclusively in outpatient settings, joined NewPoint Behavioral Health Care, and served as Medical Director before and after their merge with Acenda Integrated Health.