Viga Naik, MD

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. Govalla is an adult psychiatrist who completed her training at George Washington University and earned her medical degree from the University of Missouri–Kansas City. She is deeply passionate about global mental health and is dedicated to educating her community.

Dr. Govalla values professionalism, honesty, and shared decision-making, using these principles to guide her evidence-based approach to care.

Her process is rooted in understanding each patient as a whole person—not just a diagnosis. She considers a patient’s history, environment, relationships, and personal journey to provide practical, individualized support that empowers them to reach their goals.

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. Krithika Mittakanti is a board-certified psychiatrist with experience in both outpatient and inpatient settings. She earned a Bachelor of Science in Biomedical Engineering from The University of Texas at Austin and her medical degree from the University of Texas Southwestern Medical Center in Dallas. She completed her psychiatry residency at Baylor College of Medicine Menninger Department of Psychiatry and Behavioral Sciences in Houston, TX. Dr. Mittakanti previously served as a Staff Psychiatrist at the Michael E. DeBakey Veterans Affairs Medical Center for over seven years, where she evaluated and treated veterans with a wide range of psychiatric conditions including depression, anxiety and panic disorders, PTSD, bipolar-related disorders, ADHD, and substance use disorders.

Dr. Mittakanti practices with empathy, compassion, and active listening, maintaining a non-judgmental approach to create a safe and respectful environment. She values open communication and works closely with patients to establish clear, shared treatment goals.

Dr. Mittakanti begins by gaining a thorough understanding of each patient’s history, concerns, and goals. She takes a holistic approach, considering biological, psychological, social, and environmental factors. Treatment plans are individualized and may include medication, psychotherapy, and lifestyle changes, with a collaborative team-based approach when appropriate.

Dr. Divya Khosla, MD, is a double board-certified Child, Adolescent, and Adult Psychiatrist. She received her undergraduate degree from Case Western Reserve University in Cleveland, Ohio, and her medical degree from Ross University, completing all of her clinicals in Maryland, D.C., and NYC. She completed her adult psychiatry residency at The Ohio State University in Columbus, Ohio. Then she returned to the east coast, where she completed her child and adolescent psychiatry fellowship at Nassau University Medical Center in East Meadow, New York. Dr. Khosla has participated in a variety of innovative academic clinical research, and has presented research at annual national meetings of the American Psychiatric Association. Her robust clinical experience with varying demographics at different clinical sites around the country has allowed her to treat patients in an evidence-based way, tailoring treatment to an individual's specific needs. Although Dr. Khosla's practice focuses on medication management, she also implements supportive therapy and motivational interviewing in sessions to allow for a more comprehensive approach to treatment. Her clinical interests include depression, bipolar disorder, anxiety disorders, post-traumatic stress disorder, panic disorder, and ADHD.

Dr. Michael Gravenstein earned his medical degree from the University of Florida College of Medicine, where he also completed his psychiatry residency. During training, he was recognized with multiple awards, including the Malcom Randall VA Resident of the Year Award, the Ross A. McElroy Psychotherapy Award, and the John “J.D.” Dorian Award for best sense of humor. He has worked across outpatient, inpatient, and consult liaison settings, and has experience treating a wide range of conditions including depression, anxiety, ADHD, OCD, personality disorders, and transitional age concerns. He also has expertise working with LGBTQIA+ patients and provides psychodynamic, CBT, and supportive therapies.

Dr. Gravenstein believes in a comprehensive approach to treatment that integrates medications, therapy, and lifestyle interventions. While medications can be very effective, he views them as just one part of a broader treatment plan tailored to each patient’s needs. He emphasizes individualized care and sees treatment as a team effort, meeting patients where they are and progressing at a pace they feel ready for.

Dr. Gravenstein strives to create a warm, collaborative environment that fosters open communication and genuine connection. He may challenge patients therapeutically but always with careful attention to their readiness and comfort. His goal is to build trust so that meaningful conversations and progress can occur. For him, success is always shared—when patients succeed, they succeed together; when challenges arise, they regroup and move forward together.