Zeshen Wu, MD

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. Stephanie Price is a board-certified psychiatrist. Her practice focuses on medication management and supportive therapy. She believes in a collaborative approach to treatment planning because shared decision-making helps provide the best outcome for patients. She went to college at the University of Rochester in Rochester, NY and received her degree in Microbiology. She completed her medical education at Edward Via College of Osteopathic Medicine in Spartanburg, SC, and completed her residency training at Creighton University School of Medicine-Valleywise Health in Phoenix, AZ. She served as vice chief resident during her residency training. She has additional post-residency experience working in the outpatient setting treating multiple conditions such as depression, anxiety, PTSD, bipolar disorder, insomnia, OCD and psychotic disorders. Areas of interest include depression, anxiety, bipolar disorder, and ADHD.‍

Dr. Saba Mughal is a board-certified adult psychiatrist with over 5 years of experience in providing compassionate, patient-centered care. Specializing in the diagnosis, treatment, and management of a wide range of mental health conditions, Dr. Mughal works closely with individuals facing challenges such as depression, anxiety, bipolar disorder, PTSD, and OCD.‍Dr. Mughal employs an integrative approach to treatment, combining evidence-based therapies like Cognitive Behavioral Therapy (CBT), medication management, and mindfulness techniques, tailored to each patient's needs. In addition to individual therapy, Dr. Mughal collaborates with family members and other healthcare providers to ensure a holistic and coordinated treatment plan.‍With a deep commitment to supporting emotional well-being, Dr. Mughal fosters a warm, non-judgmental environment where patients feel heard, respected, and empowered to take an active role in their mental health journey. Dr. Mughal believes that mental health is integral to overall wellness, and works to reduce stigma surrounding psychiatric care by promoting open dialogue and understanding.‍Dr. Mughal completed her medical school at Jinnah Sindh Medical University, Pakistan and completed her residency training at Nassau University Medical Center, East Meadow, NY. She is a member of APA and a diplomat of the American Board of Psychiatry & Neurology. She is passionate about advocating for mental health awareness in the community.

Dr. Nicholas Sahagian is a Psychiatrist in Colorado who has been practicing since 2023. He completed his MD and Adult Psychiatry Residency at the Chicago Medical School at Rosalind Franklin University and earned his BA in Neuroscience at Skidmore College. Dr. Sahagian has experience managing a broad array of complex psychiatric diagnoses in patients of diverse socioeconomic, cultural, and clinical backgrounds. Outside of work, he enjoys hiking, biking, skiing, playing guitar, reading, and collecting board games.

Dr. Sahagian offers psychiatric medication management while also incorporating elements of cognitive behavioral therapy, motivational interviewing, internal family systems, and lifestyle interventions. He believes that every patient is unique, and he works to create a supportive environment where individuals feel heard and empowered in their care.

Grounded in the biopsychosocial model, Dr. Sahagian takes a collaborative, patient-centered approach. He partners with patients to develop personalized treatment plans that integrate biological, psychological, and social factors, with the goal of guiding them along their path to improved wellness.

Dr. Luna Sanchez Rivera holds the position of Staff Psychiatrist at Talkiatry. After completing residency in 2016 at the Ponce Medical School Psychiatry Residency in Puerto Rico, she then moved to North Carolina to complete a subspecialty in Child and Adolescent Psychiatry at Duke University Health System. There, she transitioned into an assistant professor position, focused on structuring pediatric emergency psychiatric services, and helped support the consult and liaison pediatric service. Her years of experience have included working as an integrated care child psychiatrist within outpatient clinics at Duke University Health System, and she trained and worked as a staff psychiatrist at the Inpatient State Facility in North Carolina. She also served in the Dayton Children's Hospital outpatient clinics in Dayton, Ohio, the Appalachian Health System outpatient clinics in Linville, North Carolina, and more recently has been serving the Child and Adolescent inpatient population in Bangor, Maine. Dr. Sanchez Rivera has an approachable style aimed at providing a comprehensive evaluation for all age ranges and is comfortable managing various levels of diagnostic complexities. She provides supportive psychotherapy while using psychodynamic therapy skills to clarify her patient's constellation of symptoms, identify unifying themes and provide thorough psychoeducation throughout the process to drive positive outcomes. She integrates psychodynamic medication management approaches and is adept at family therapy interventions.

Dr. Lemaire Leo Pierre is a board certified adult psychiatric provider with over 10 years of experience. He has additional years working in the medical field as a physician assistant. Dr. Pierre's practice entails medication management accompanied by supportive psychotherapy. He frequently encourages other forms of psychotherapy with a counselor to maximize treatment outcomes. After completing medical school at Central America Health Science University, he returned to New York City and completed his psychiatry residency at New York Medical College Program at Metropolitan Hospital Center. Subsequently, he moved to Minnesota and worked with Park Nicollet Health Service/HealthPartners. He had been there for 10.5 years, where he oversaw a successful psychiatric practice and helped his patients who had been struggling with their conditions. Dr. Pierre is a member of the American Board of Psychiatry and Neurology, in addition to the American Psychiatry Association and State Psychiatry Association. He also enjoys attending conferences and reading journals to learn about cutting-edge treatments so that he is updated on the most recent FDA-approved medications.