Fang Yang, MD

Dr. Weasen is a board-eligible adult psychiatrist with Talkiatry. He received his medical degree from Sidney Kimmel Medical College at Thomas Jefferson University in Philadelphia. He then moved to Washington, D.C. to complete his residency training at Saint Elizabeths Hospital, where he served as Chief Resident during his final year. He is a member of the American Psychiatric Association (APA) and has presented at the APA Annual Meeting on the topic of virtual fatigue. He has had extensive experience working with a wide array of patients, including college/graduate students, geriatric patients, military veterans, and LGBTQ+ populations.

Dr. Weasen provides a combination of medication management and supportive psychotherapy. Occasionally, he may work with you on finding additional support as well, including bringing on a dedicated therapist as part of your treatment team. He believes in tailoring treatment to each person’s needs. He primarily treats mood disorders, anxiety disorders, ADHD, PTSD, OCD, and insomnia, but believes in seeing beyond the diagnosis and focusing on the individual first and foremost.

Dr. Kristin Ratz is a Board-Certified psychiatrist who is an expert in the diagnosis, treatment, and prevention of mental, emotional and behavioral disorders. She specializes in medication management combined with supportive therapy during 30-minute follow-up sessions. Dr. Ratz recognizes that each patient is unique and believes in an environment of collaboration, in which the patient and psychiatrist work together in order to develop the best individualized treatment plan. A California local, Dr. Ratz obtained her undergraduate education at University of California, Davis, graduating magna cum laude with a degree in Human Development. She then attended medical school at Loma Linda University School of Medicine, obtaining her Medical Doctorate. Following this, she completed her adult psychiatry residency training at the distinguished University of California, Irvine. Dr. Ratz has worked in a diverse range of healthcare settings, including county and community clinics, and is very experienced in telepsychiatry. She pays close attention to not only an individual's emotional state, but also their physical, spiritual, and social well-being, in order to provide her patients with exceptional holistic care.

Dr. O’Mara is a board-certified geriatric and general adult psychiatrist. She is originally from Ohio where she obtained her bachelor’s degree in neuroscience and psychology from Wright State University and attended medical school at Ohio University. She completed her psychiatry residency and geriatric psychiatry fellowship through Michigan State University at Pine Rest in Grand Rapids, Michigan. She has provided psychiatric care in both inpatient and outpatient settings. She was a faculty member and Associate Program Director for Trinity Health Livonia’s psychiatry residency. In her free time, she enjoys drawing and hiking.

Dr. O’Mara eagerly treats a wide range of age groups and conditions and is passionate about patients coping with chronic medical conditions and caregivers. She also has experience with perinatal mood disorders, obsessive compulsive disorder, and PTSD. She strives to deliver evidence-based treatment tailored to her patient’s individual needs.

In addition to medication management, she incorporates brief therapy modalities into her appointments including supportive therapy, cognitive behavioral therapy, and dialectical behavioral therapy skills. She will work with you to determine if more comprehensive therapy may be needed. She also can provide practical and realistic behavioral strategies to caregivers and patients with memory changes. Dr. O’Mara prefers to meet patients where they are in a supportive, safe, and non-judgmental environment.

Ms. Celeste Boyd is a dual board certified Psychiatric Mental Health and Family Nurse Practitioner.  She is the CEO and Founder of Metamorphosis Psyche, a psychiatric mental health resource platform.  She has practiced in family medicine since 2011 and psychiatric mental health medicine since 2013.  She has clinical experience and expertise in substance use disorders, addiction rehabilitation, sleep medicine, general psychiatry, and serious mental illness (SMI) in both private and public sectors.  In Academia, she has extended her knowledge and experience as Adjunct Clinical Faculty at School of Nursing Graduate Programs.

Since 2017, Ms. Boyd has been practicing general psychiatry in the outpatient private sector.  Ms. Boyd provides medication management and psychotherapy for acute, chronic, and comorbid psychiatric conditions that include Anxiety Disorders, Depression, Mood Disorders, ADHD, OCD, and PTSD.  Her clinical treatment modalities include supportive therapy, solution-focused therapy, motivational enhancement, mindfulness, and cognitive behavioral therapy.

As a clinician, she promotes mental health awareness to reduce stigmatization and empower those suffering and struggling with mental illness. Ms. Boyd clinical practices are oriented towards the Mental Health Recovery Model, which permits individuals to go through an active process of change, being in control, strengthening, and empowering themselves to improve their mental health and well-being.

Mary Birse is a board-certified Psychiatric Mental Health Nurse Practitioner (ANCC) with over 20 years of nursing experience. She graduated magna cum laude with a BSN from Florida Atlantic University and earned her MSN from the University of Florida. She completed a Psychiatric NP Residency at the VA in Charleston, SC. Mary has worked in a variety of settings including the West Palm Beach VA Medical Center, the Palm Beach County Firefighter’s Clinic, various outpatient telehealth platforms, and a child and adolescent inpatient facility. She was also an adjunct professor at Palm Beach State College.

Mary believes in empowering patients through education and collaboration so they can play an active role in their mental health journey. She works to create a warm and welcoming space where patients feel safe, heard, and understood. Whether the treatment path includes therapy, medication, integrative approaches, or a combination, she ensures that the plan reflects the patient's needs and goals.

Mary takes a thorough and holistic approach to care. She spends time understanding each patient’s history and past treatments—what has or hasn’t worked—and listens carefully to their current concerns and future goals. By factoring in lifestyle and preferences, she works with patients to build thoughtful, individualized treatment plans.

Dr. Stephen Geisler is a board-certified adult psychiatrist and has been practicing for over 37 years. His practice focuses on medication management, and typically offers this in conjunction with supportive therapy in 30-minute follow-up visits. If Dr. Geisler feels you would benefit from working with a therapist in conjunction with medication management, he welcomes collaboration with your therapist to make for the best outcome. Dr. Geisler is a graduate of the New York University School of Medicine. He completed a fellowship in Psychoanalytic Psychotherapy at the Zucker Hillside Hospital of Northwell Health after finishing his residency training there. He is currently an Assistant Clinical Professor at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell. Over the years Dr. Geisler has received a number of awards including NAMI Exemplary Psychiatrist Award, The APA Irma Bland Certificate of Excellence in Teaching Residents, the Zucker Hillside Hospital Department of Psychiatry Recognition Award for Education, and twice received the Outstanding Teacher of the Year Award from the graduating residents' class. Dr. Geisler is a member of the American Psychiatric Association, the Nassau Suffolk District Branch of the APA and the American Society of Clinical Psychopharmacology. Through the years, Dr. Geisler has participated in many clinical research projects, has been the co-author of many papers, and has made many presentations. Dr. Geisler specializes in psychopharmacology, especially tailoring individualized treatment to serve the needs of patients with a variety of conditions. He has a lot of experience in treating patients with depression, bipolar disorder, anxiety disorders, ADHD, and OCD.