Celeste Boyd, PMHNP

Dr. Michael A. Murphy is board-certified in General Psychiatry as well as Child and Adolescent Psychiatry by the American Board of Psychiatry and Neurology. He has over 20 years of experience practicing medicine in outpatient, acute, and residential settings. He provides psychiatric assessments and medication management along with brief supportive psychotherapy. He is a strong advocate of collaboration between psychiatric care and psychotherapeutic interventions and encourages the utilization of therapists and counselors. Dr. Murphy holds a bachelor's degree in Chemistry Pre-med from Florida A & M University and a Medical Degree from the University of Florida College of Medicine. He completed both his residency in General Psychiatry and Fellowship in Child and Adolescent Psychiatry at the University of Virginia. He formally served as Chief of Behavioral Health Services at Ft. Eustis, Virginia. He has previously provided acute care and residential treatment at Newport News Behavioral Health Center, outpatient services in the community, and the foster care system. He has recently served as medical director of Harbor Point Behavioral Health Center. Dr. Murphy has an extensive history of providing care for both the adult and child population. He specializes in the treatment of children with Mood Disorders, Anxiety Disorders, ADHD, and Pervasive Developmental Disorders.

Dr. Dave Kopacz studied psychology, medicine, and psychiatry at the University of Illinois. He has over 25 years of clinical experience, most recently 11 years at the Seattle Veterans Affairs and as a national VA Whole Health Education Champion, teaching holistic self-care to staff and veterans. Prior to that, Dr. Kopacz was Clinical Director of a psychiatric rehabilitation center in New Zealand. He has worked in private practice, rural community mental health, and ran a VA tele-health program for Native American/Alaskan and Pasifika veterans.

Dr. Kopacz is board certified in Psychiatry & Integrative Medicine, a certified yoga instructor and a certified iRest (Integrative Restoration) meditation teacher. He is an author and international speaker on topics of burnout, well-being, medical humanities, creativity and health, and cross-cultural approaches to healing. His books include Caring for Self & Others: Transforming Burnout, Compassion Fatigue, and Soul Loss, and Re-humanizing Medicine. He has also co-authored four books with Joseph Rael (Beautiful Painted Arrow), including Walking the Medicine Wheel: Healing Trauma & PTSD.

"What is your typical process for working with patients?"

Dr. Kopacz combines psychiatric diagnosis with a collaborative and holistic focus on your strengths and personal growth. Combining a psychiatric and self-care assessment, he will help you find a plan for medication, psychotherapy, and well-being work that feels right for you.

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Dr. John's practice focuses on medication management, offered in conjunction with emotionally focused therapy in 30-minute follow-up visits. Occasionally, Dr. John may believe that additional therapy is also needed and ask that you bring a therapist into your care team to provide the best outcome. Dr. John strongly believes in a compassionate, collaborative approach and will provide psychoeducation to help patients make informed decisions and achieve their treatment goals.

Dr. Kira Posteraro is double board-certified in Adult and Addiction Psychiatry and has over 10 years of clinical experience. She completed her General Adult Psychiatry Residency at Allegheny General Hospital in Pittsburgh, PA, followed by a fellowship in Addiction Psychiatry at Beth Israel Medical Center in New York, NY.

Dr. Posteraro’s career has included serving as Director of Psychiatric Services at an addiction treatment center in Pittsburgh, PA, where she provided care across the full continuum of substance use disorder treatment—including residential, acute PHP, IOP, outpatient, and aftercare services. She later held the role of Section Chief Psychiatrist for the Center for Treatment of Addictive Disorders at VA Pittsburgh Healthcare System, offering both residential and outpatient services and acting as Medical Director for the SAMHSA-certified Opioid Treatment Program. Most recently, she served as Chief of Psychiatry for the Behavioral Health Service Line at VA Pittsburgh, where she had the honor of caring for our nation’s Veterans.

While her clinical expertise centers on the diagnosis and treatment of substance use disorders, Dr. Posteraro also has extensive experience treating a wide range of psychiatric conditions, including depressive and bipolar spectrum disorders, anxiety disorders, and trauma-related disorders.

Dr. Posteraro uses a collaborative, supportive approach to care, incorporating motivational interviewing to help guide patients on their journey to wellness. She integrates holistic strategies alongside medication management and is dedicated to meeting patients where they are in treatment to build individualized, effective recovery plans.

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Dr. Bianca Fleming is a double board-certified psychiatrist in Adult and Child and Adolescent Psychiatry. She completed her undergraduate studies at the University of Georgia, earned her MD from Morehouse School of Medicine, completed psychiatry residency at the University of North Carolina at Chapel Hill, and a child and adolescent fellowship at Emory University School of Medicine. She has experience across inpatient, outpatient, and integrative community health settings.

Dr. Fleming values gathering thorough information through a warm, conversational interview style. She strives to create a supportive therapeutic space while maintaining a balanced sense of patient accountability to promote meaningful progress.

Her approach emphasizes shared agenda setting at every visit to ensure both patient and provider needs are met. Dr. Fleming takes a detailed history to guide clinical decisions, prioritizes patient education, and delivers evidence-based, patient-centered care. She integrates psychotherapy into all medication management appointments to support holistic treatment.

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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.