Kevin Lu, MD

Dr. Sophia Monsour holds the position of Chief Psychiatrist for Pennsylvania at Talkiatry. After completing residency in 2013 at Albany Medical Center, she has spent the past 9 years fulfilling her passion for integrated and specialty care for adults suffering from mental illness. Her years of experience have included working as an integrated care Psychiatrist at a community health center, a medical director of a Partial Hospital and Intensive Outpatient Program (PHP/IOP), and also working for an Assertive Community Treatment Team (ACT) specializing in the Serious Mentally Ill (SMI) population. Most recently, she has been serving our veterans as the Outpatient Section Chief, Primary/Mental Health Integration Medical Director and Resident/Medical Student Coordinator at VA Pittsburgh. Dr. Monsour has an approachable style when treating individuals who suffer from various diagnoses, especially those with prior trauma. She provides supportive psychotherapy and at times uses psychodynamic therapy skills to address her patient's current stressors and to identify the root cause of their ailment. She believes in a holistic approach and utilizes mindfulness as a technique along with medication management.

Dr. Emily Mukherji earned her undergraduate degree in Brain and Cognitive Sciences from Massachusetts Institute of Technology and her MD from Tufts University School of Medicine. She completed psychiatry residency at Massachusetts General Hospital/McLean Hospital, serving as Chief Resident in Psychotherapy during her final year. With 12 years of outpatient experience, she has worked with diverse patients and symptoms, led an academic outpatient clinic, and supported its transition to telehealth during COVID-19. She enjoys time with family and friends, reading, travel, and movies.

Dr. Mukherji fosters a warm, supportive environment where patients feel heard and respected. She believes each person has a unique story and that treatment should be collaborative, thoughtful, and tailored to individual needs, goals, and values.

She begins with a thorough evaluation, exploring history, interests, relationships, and goals to understand symptoms in context. She integrates medication management with psychodynamic therapy, CBT, motivational interviewing, and supportive therapy as needed. Care typically includes monthly visits until stable, then every 2–4 months to support continuity and long-term well-being.

Dr. Nelson is a board-certified psychiatrist who attended the University of Iowa Medical School and completed her psychiatry residency and child and adolescent psychiatry fellowship at Walter Reed National Military Medical Center.  She has extensive experience treating active-duty service members, family members of active duty and the veteran population.  She feels comfortable working with a wide range of age groups and enjoys treating challenges with anxiety, mood, sleep, and concentration.

Dr. Nelson believes that the key to success in mental health care is being able to establish a trusting and open relationship between psychiatrist and patient.

While initial sessions include the need to gather background information about the patient overall as well as the symptoms of concern, subsequent sessions are focused on learning the impact of the treatment.

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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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Dr. Krishna Divadeenam is a staff psychiatrist at Talkiatry. He trained in New York and earned his medical degree from Albany Medical College in 1997.  He finished his internship at Vanderbilt Medical Center and completed his psychiatric residency at the University of Kansas Medical Center in 2000. During his residency, he served as Chief Resident at the Kansas City VA Medical Center (KCVA).  His initial post-residency focus was with patients with serious and persistent mental illness (SPMI) when he worked at the Johnson County Mental Health Center.  He has served as a adjunct professor at the University of Kansas providing clinical supervision to residents and yearly lectures on Bipolar disorder, Tourette’s and Obsessive compulsive disorder for over 20 years.  He worked at Midwest Psychiatric associates in an outpatient private practice for nearly 3 years before returning to the KCVA.  There he oversaw care for combat veterans as a clinical psychiatrist and the supervisor for the PTSD Specialty outpatient clinic.  After 5 years he transitioned to the inpatient unit as the inpatient supervisor and one of the attending physicians of the acute inpatient psychiatric unit.  In addition, he served as the University of Kansas Site director for their psychiatric residency program.  

Dr. Divadeenam believes in a holistic approach to mental health treatment, integrating medication management, supportive psychotherapy, and collaboration with therapists and support staff. He tailors treatment to each patient's unique needs, ensuring a comprehensive and individualized approach to care. His expertise includes treating a variety of psychiatric diagnoses, such as mood disorders, anxiety disorders (including OCD), ADHD, and PTSD.

In a first visit, patients can expect a thorough evaluation, where Dr. Divadeenam takes the time to understand their medical history, symptoms, and treatment goals. He emphasizes open communication and collaborative decision-making, ensuring that patients feel heard and supported. Based on this initial assessment, he will develop a personalized treatment plan, which may include medication management and referrals to therapy or other supportive services as needed.

Dr. Ankila S. Chandran is a board certified general psychiatrist at Talkiatry with over 20 years of experience treating a diverse population of patients. After graduating with her doctorate in Communication Theory and Research from the University of Southern California she attended the Touro University College of Osteopathic Medicine in Northern California and then completed her residency in Psychiatry at the University of Medicine and Dentistry of New Jersey and became board certified by the American Osteopathic Board of Neurology and Psychiatry in 2006. Dr. Chandran has spent the past 20 years fulfilling her passion for practicing integrated and holistic care for adults suffering from mental illness. Her years of experience include working as a Clinical Psychiatrist and Assistant Professor at Rowan University School of Osteopathic Medicine, being an examiner for the oral boards for psychiatrists seeking board certification, engaging in longer term inpatient treatment for chronically ill patients and facilitating consultation-liaison psychiatry with other medical specialties as well as practicing general outpatient psychiatry. Dr. Chandran has an informal and approachable style when treating individuals who suffer from a variety of complex diagnoses, she explains conditions well and helps educate her patients about how to be actively engaged in living their best lives. Concurrent with medication management, Dr. Chandran provides supportive psychotherapy and she has psychodynamic therapy skills that help address the root causes of her patients' distress. If Dr. Chandran feels you would benefit from working separately with a weekly to every other week therapist in conjunction with getting medication management, she welcomes collaboration with your therapist to achieve optimal results. Dr. Chandran strives to empower her patients in advocating for themselves and in achieving an optimal integration of their mental and physical health.