Niles Drake, MD

Sonya R. Isler, PMHNP-BC, began her nursing journey over 30 years ago in a state psychiatric hospital in Goldsboro, NC, inspired by the poised nurse she admired at church as a child. Her path includes roles as LPN, RN, BSN, and multiple advanced practice degrees. Sonya has worked in inpatient and outpatient settings, VA clinics, and private practices. She also serves as a preceptor for PMHNP students at her alma mater, the University of North Carolina at Chapel Hill.

Sonya creates a welcoming, respectful space where patients feel safe to communicate openly. She practices active listening and values patient input when setting therapy goals. Her approach is holistic—treating the whole person—and she encourages collaboration, helping patients feel seen, heard, and empowered in their care.

Sonya reviews a patient's history before each session and begins with clear introductions and goal setting. She invites open discussion of concerns and tailors' treatment plans with patient input. She often incorporates CBT, motivational interviewing, and solution-focused therapy into care, promoting growth through supportive, personalized strategies.

Dr. Jonathan Bui is an MD who earned his medical degree from the University of Maryland, School of Medicine, and completed his residency at Walter Reed National Military Medical Center. He served as a military psychiatrist for eight years, including deployment to Iraq, and was honorably discharged as a Major. He has experience in both outpatient and inpatient care, with a strong focus on compassionate, patient-centered treatment.

Dr. Bui creates a welcoming and supportive environment where patients feel heard and understood. He collaborates with patients to set achievable treatment goals and draws on extensive experience in treating a variety of mental illnesses, including post-traumatic stress disorder, to ensure the best outcomes.

Dr. Bui begins by thoroughly reviewing a patient’s history to understand their background and concerns, helping to establish meaningful treatment goals. At follow-up appointments, he reviews progress, addresses any new issues, and adjusts care plans collaboratively to support long-term mental health and well-being.

Dr. Seth Flesher is double board-certified in adult psychiatry and addiction medicine.  Dr. Flesher’s practice focuses on medication management of psychiatric illness without the use of controlled substances.  Typically, he offers this in conjunction with supportive or emotionally focused therapy in 30-minute follow-up visits. However, occasionally Dr. Flesher may believe that additional therapy is also needed and ask that you bring a therapist into your care team to provide the best outcome.

Before joining Talkiatry Dr. Flesher was Medical Director of Advanced Psychiatric Services [complex/high profile cases] at Kings County Hospital and Unit Chief of the Covid19 positive unit.  He was also a clinical professor at Downstate Medical College where he was voted educator of the year numerous times by psychiatric residents and medical students.  Dr. Flesher is a graduate of the prestigious combined 6-year BS/MD program at The Sophie Davis School of Biomedical Education.  He did research at the neuropsychiatric branch of the National Institute of Mental Health, completed his psychiatric residency at St. Lukes/Roosevelt Hospital, and he received his master’s degree in public health from Columbia University.

Dr. Flesher believes that psychiatry should start with a thorough assessment to arrive at an accurate diagnosis.  Then a discussion with the patient of the different evidence-based options available.  Followed by shared decision-making to arrive at an effective treatment plan to achieve the goals that the patient identifies as being important.  This should be done in an honest, open, non-judgmental, but realistic environment.  Understanding that the ultimate goal is to get the patient to a position where they will no longer need medication and/or therapy.

Dr. Debbarma is double board certified in General Psychiatry and Addiction Medicine. Dr.Debbarma is also certified in mindfulness therapy. Prior to joining Talkiatry, Dr. Debbarma was working as an attending psychiatrist and teaching faculty in an Academic hospital. She has experience of managing diverse patients ranging from chronic severe mental illness , dual diagnosis patients, crisis management and high functioning outpatients population.

Dr. Debbarma is an International medical graduate from India with post graduate training in Psychiatry and Family Medicine.  

To better understand USA public health and preventive care, Dr. Debbarma pursued advanced degree in Master of Public Health from Thomas Jefferson University, Philadelphia. Due to interest in global health, Dr. Debbarma worked as a post-doctoral fellow in Global Health at Rutgers university. Dr. Debbarma completed psychiatry residency from Cooper University Hospital and served as a chief resident.

Dr. Debbarma has diverse experiences in health care. Prior to moving to USA, she worked as a medical officer in government hospital system. Dr. Debbarma has years of experience in treating patients from different cultural and religious background.

As an Individual Dr. Debbarma is intrigued by human mind and behavior that’s why she choose to specialize in psychiatry. She focuses on "wholeness" by understanding the whole person not just their symptoms.

Her treatment approach includes bio-psycho-sociocultural model and patient centered care.  She offers medication management and supportive therapy. Based on clinical need Dr. Debbarma also incorporate CBT, Mindfulness, MI.

Dr. Debbarma has special interest in women mental health and cultural psychiatry.

Dr. Richard McCall is a board-certified psychiatrist with over 25 years of comprehensive experience in delivering exceptional mental health services across various settings. He received his medical degree from the University of Virginia School of Medicine and completed his Psychiatry residency training at Duke University School of Medicine. He treats adult patients of all ages and is known for a compassionate, patient-centered approach. Dr. McColl integrates psychopharmacology with multiple psychotherapy modalities. He has specialized training in psychodynamic psychotherapy, Cognitive Behavioral Therapy (CBT), Dialectical Behavior Therapy (DBT), Acceptance and Commitment Therapy (ACT) and more. He looks forward to helping patients reach their goals for mental health care while providing a compassionate and collaborative environment.

Roel Sepulveda is a board-certified psychiatric mental health nurse practitioner (PMHNP-BC) with a Master of Science in Nursing from the University of Alabama at Birmingham. Certified by the American Nurses Credentialing Center (ANCC), he has over 10 years of experience providing mental health care in psychiatric emergency rooms, outpatient psychiatry, and telehealth settings. Roel is committed to delivering comprehensive and accessible care that supports patients across diverse needs and backgrounds.

As a provider, Roel values creating a compassionate and collaborative environment where patients feel comfortable sharing their experiences. He takes a patient-centered approach, meeting individuals where they are and working together to identify treatment goals. Patients can expect a nonjudgmental space where their concerns are heard, respected, and addressed with empathy and understanding.

When working with patients, Roel begins by taking time to understand their history, symptoms, and current challenges. He develops individualized treatment plans that may include a combination of medication management, lifestyle strategies, and coordination with therapy or other supports. His goal is to provide evidence-based care while empowering patients to actively participate in their mental health journey and achieve lasting well-being.