Seth Flesher, MD

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.

Dr. Cheng is a board-certified psychiatrist who provides medication management alongside supportive therapy. She takes an individualized, patient-centered approach, creating comprehensive treatment plans tailored to each person's needs. With an approachable and caring demeanor, she helps patients address both immediate concerns and underlying stressors. Dr. Cheng believes in evidence-based practices while maintaining sensitivity to each patient's unique mental health journey.

Dr. Esha Garg is a board-certified psychiatrist starting her post-graduate practice with Talkiatry. After completing an undergraduate degree in psychology at Johns Hopkins University, she completed her medical degree at Kansas City University of Medicine and Biosciences. She is a recent graduate from the Adult Psychiatry Residency at University of Kansas Medical Center.

Dr. Garg's practice focuses on medication management but she believes in the importance of both therapy and medication management in treating mental illness. She offers medication management with supportive therapy in 30-minute follow up visits. She also utilizes referrals to therapists to enhance collaborative care and management of illness.

Dr. Garg believes in the importance of building a strong therapeutic relationship. She focuses on treating patients with depression and anxiety disorders. She believes in a holistic, patient-centered approach to care and encourages patient's to explore their physical, emotional, social and spiritual needs in addition to their mental health.

Kenneth Kavanagh is board certified as both a Psychiatric/Mental Health Nurse Practitioner and an Adult Nurse Practitioner.  His career has spanned 30 years with the last 17 years devoted exclusively to psychiatry.  He integrates his knowledge of psychiatry and primary care into evidence-based medication management strategies.  He also possesses a good working knowledge of alternative treatments and integrating alternative treatments into more traditional approaches.  When needed to enhance patient care outcomes, he frequently works collaboratively with psychotherapists, primary care providers, and/or medical specialists.  

Kenneth currently focuses on managing depressive disorders, anxiety disorders, adjustment disorders, ADHD, somatic disorders, OCD, and bipolar disorders.  Kenneth has significant experience in working with diverse groups, including urban and rural populations across socioeconomic spectrums, professionals and college students on all levels, members of the LGBTQ community, individuals confronting life stage transitions, and people living with chronic medical conditions.  

Kenneth’s psychotherapeutic methods are diverse and evolve to meet collaboratively developed treatment goals.  Kenneth’s interaction style is always empathic and respectful but can range from comforting and supportive to more directive and therapeutically confrontational strategies to maximize treatment goals, often with significant doses of humor throughout the therapeutic relationship.

Dr. Jessica Grimes is a board-eligible child and adolescent and adult psychiatrist. She is originally from Sylva, NC. She earned a bachelor's degree in religion and minored in biology at The University of the South in Sewanee, TN. She graduated cum laude and was inducted into the order of the gownsmen, an honor society. She earned her doctorate from the West Virginia School of Osteopathic Medicine in Lewisburg, WV. Dr. Grimes completed a traditional rotating internship through WVSOM at Our Lady of Bellefonte Hospital in Ashland, KY and completed residency training in psychiatry at Lake Erie College of Osteopathic Medicine in Erie, Pennsylvania. While in residency, she earned a master's degree in medical education from LECOM. She completed a fellowship in child and adolescent psychiatry at the University of South Carolina School of Medicine, Greenville. During her second year of fellowship at USC-Greenville, she received the "Child & Adolescent Psychiatry Fellow of the Year� award.

Dr. Onah Uwagbai is a board-certified psychiatrist who earned her medical degree from St. George’s University School of Medicine. She completed her psychiatry residency at the University of Kansas Medical Center, where she served as Chief Resident at the Kansas City VA hospital and was recognized for Excellence in Scholarship. Most recently, she worked at the North Texas VA Healthcare System, caring for individuals with treatment-resistant depression and complex psychiatric needs.

Dr. Uwagbai has a passion for supporting individuals with mood disorders, anxiety, trauma, and women’s mental health. She believes healing is best achieved through compassion, collaboration, and respect. Patients can expect a warm, supportive environment where they feel heard and understood, with treatment tailored to their unique history and goals.

Dr. Uwagbai begins with a comprehensive evaluation to understand each patient’s needs and then develops an individualized treatment plan. She draws on evidence-based practices, including expertise in complex cases, and may incorporate both therapy and medication management. Her goal is to empower patients to take an active role in their care while fostering resilience, stability, and long-term wellness.