Geoffrey Sinner, MD

Dr. Michelle Hornbaker-Park is a board-certified General and Child and Adolescent Psychiatrist with over nine years of experience. Her practice focuses on medication management, which is founded not only on evidence-based medicine but also on the understanding that a trusting therapeutic relationship is the cornerstone of behavioral health healing. She incorporates CBT, supportive therapy, and psychoeducation into her medication management appointments and may refer patients for additional psychotherapy to improve outcomes. Dr. Hornbaker-Park received her Bachelor of Science degree from Ursinus College, with a dual major in Biochemistry/Molecular Biology and Neuroscience. After receiving a Health Professions Scholarship from the Army, she obtained her medical degree from Jefferson Medical College. She went on to enter active duty military service and complete General Psychiatry residency training and Child and Adolescent Psychiatry fellowship training at Tripler Army Medical Center before completing active duty service as a staff psychiatrist and 101st Airborne Division psychiatrist at Fort Campbell, KY. There she cared for active duty service members and their families to manage depression, anxiety, trauma, and the unique stressors of military service. She later transitioned to federal civilian service and served as a preceptor for Phase II Physician Assistant trainees and Army Social Work interns, reinforcing a passion for education that carried her to Walter Reed National Military Medical Center (WRNMMC). During her time at WRNMMC, she served in several roles including Deputy Medical Director of Inpatient Psychiatry, core faculty for the National Capital Consortium Psychiatry Residency Program, Associate Program Director, and associate faculty at the Uniform Services University for Health Sciences (USUHS). Prior to transitioning out of federal service to join Talkiatry, she was repeatedly recognized for excellence in academics and mentorship and received multiple teaching awards. This zeal for education and mentorship, as well as humility, personal growth, and learning, translates directly into her philosophy for patient care. She believes a whole-person approach with open, collaborative teamwork is the key to progress.

Dr. Stephen Byrd is a clinical psychiatrist at Talkiatry. He is board-certified in both psychiatry and addiction medicine. He has been practicing for over 31 years in a wide variety of settings, including working with inpatients and outpatients in private practice, community mental health, geriatric, VA, and community hospital/medical center settings. Dr. Byrd's practice focuses on evidence-based medication management, usually provided in conjunction with 30-minute supportive psychotherapy, which is informed by cognitive behavior therapy, psychodynamic psychotherapy, and motivational enhancement. When more intensive therapy is needed, Dr Byrd may ask you to include a therapist as part of your care team. He received his medical degree from the University of Cincinnati College of Medicine in Ohio and completed his residency training in psychiatry at Case Western Reserve University School of Medicine, University Hospitals of Cleveland. Throughout his career, he has treated patients with a wide variety of conditions in both inpatient and outpatient settings. Additionally, He has served as director of inpatient geropsychiatry at Lutheran Hospital in Cleveland, Ohio, program manager of the substance abuse treatment program at the Charlie Norwood Veterans Affairs Medical Center in Augusta, Georgia, and medical director of outpatient behavioral health at Saint Alphonsus Regional Medical Center in Boise, Idaho. Throughout his career, Dr. Byrd has been active in training medical students and psychiatry residents, and he has held clinical teaching appointments at Case Western Reserve University School of Medicine, Northeastern Ohio Universities College of Medicine, Medical College of Georgia, University of Washington School of Medicine, Idaho College of Osteopathic Medicine and Pacific Northwest University of Health Sciences College of Osteopathic Medicine.�.�

Dr. Scot McKay is board certified in Psychiatry and Child/Adolescent Psychiatry. He graduated medical school from the Medical University of South Carolina in Charleston, SC. He completed his residency and child/adolescent fellowship trainings at the University of Colorado - Anschutz Medical Center in Denver, CO. Previously, he has worked on the inpatient and partial hospitalization child/adolescent psychiatric units at Children's Hospital Colorado as well as in the school-based health clinics through Denver Health in partnership with Denver Public Schools. He has also worked in community mental health at the Mental Health Cooperative clinics throughout the Middle Tennessee region. He most recently joined a private practice before joining Talkiatry. He has been named to the Nashville Lifestyles Magazine's Top Doctors list in 2022, 2023, and 2024. He is a fellow of the American Psychiatric Association, and a member of the American Academy of Child and Adolescent Psychiatry. Dr. McKay enjoys working with patients going through life transitions such as high school to college and college to adult life. He believes it is important to understand the whole person (mind, body, and spirit) when treating them. He treats people struggling with depression, anxiety, bipolar, and ADHD, as well as trouble with relationships and family conflict. Dr. McKay provides both medication management and therapy. He believes that medication is just one of the items in a psychiatrist's toolbox and that therapy is equally important as medication.

Dr. Lanier Summerall attended Yale University, where she studied philosophy in the Great Books Program. She later studied Molecular Biology at the University of Colorado, where she and her husband moved after getting married. She received her medical degree from the University of Colorado Health Sciences Program, and completed her residency at Dartmouth Medical School. She also trained at Massachusetts General Hospital with Dr. Theodore Stern in his area of expertise (Consult Psychiatry) and learned from his immense skill at building strong rapport with all patients.

Dr. Summerall has experience in inpatient, and outpatient settings, along with teaching and research. She has worked in hospital administration, government entities, most importantly the Senate Veterans’ Affairs Committee.

Dr. Summerall values transparent communication and will work with you to create the change. She treats patients as unique individuals and treatment is put into place with individualized plans in mind. Her approach to patients, which emphasizes holistic, patient centered, strength based treatment built on a foundation of strong doctor-patient alliance and evidence based medical knowledge.

Your appointment with Dr. Summerall will be a conversation. She is there to work towards goals together and is a good translator of "medical-ese". She enjoys working with patients on all aspects of their health and caters treatment plans to you.

Dr. Breaunnah Bloomer Jackson is a board-certified Child & Adolescent Psychiatrist who earned her undergraduate degree from Howard University and a master’s in biological sciences from Mississippi College. She completed medical school at LSU Health Sciences Center – Shreveport, followed by a general psychiatry residency and child & adolescent psychiatry fellowship at LSU Health Sciences Center – New Orleans, where she served as Chief Fellow.

Dr. Breaunnah Bloomer Jackson creates a welcoming, supportive space for children, adolescents, and their families. She takes a compassionate and collaborative approach to care, focusing on medication management while integrating supportive therapy, brief cognitive techniques, parent guidance, psychoeducation, and motivational strategies. When ongoing therapy is needed, she works closely with therapists to ensure connected, comprehensive care.

She is passionate about meeting young people where they are, honoring their individuality, and working with families to navigate challenges together. With a strong foundation in human development and a deep commitment to equity, Dr. Bloomer Jackson is building a practice that supports the whole person—and every story.

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Dr. Rodriguez is a board eligible adult psychiatrist, who is also fluent in Spanish. He completed residency at North Florida Regional in Gainesville via the University of Central Florida, where he also served as chief resident for education. He received his medical degree from Lincoln Memorial University � DeBusk College of Osteopathic Medicine in Tennessee. He also holds a master's and bachelor's degree in engineering from the University of South Florida, in Tampa. Dr. Rodriguez has worked with a wide array of patients across various medical settings and has experience treating patients with psychiatric illness who may also be suffering from medical comorbidities, such as obesity, hypertension, pain, and diabetes. He has been deeply involved with teaching and emphasizes psychoeducation while working in collaboration with his patients to help tailor their personalized treatment plan. His primary focus has been on treating adults with depression, bipolar disorder, anxiety, ADHD, OCD, and PTSD. Dr. Rodriguez has an approachable, patient-centered style, combined with a passion for optimizing sleep as it pertains to management of a psychiatric illness and overall well-being. He offers supportive therapy as part of his medication management visits, and at times may also offer cognitive behavioral therapy to address underlying stressors which may be contributing to one's presenting ailments. He may also recommend including a therapist in your care team to optimize outcomes.