Board Certified Psychiatrist & Psychologist
Dr. Nicolas Sikaczowski
Board Certified Psychiatrist
Board Certified Child & Adolescent Psychiatrist
Dr. Nicolas Sikaczowski is an ABPN Dual Board Certified Psychiatrist and Child & Adolescent Psychiatrist. He is the founder of Peace Behavioral Health. He sees patients in-person and via telehealth from Saco/Biddeford Maine throughout the year and seasonally from our Miami location. Dr. Sikaczowski is licensed in both Florida and Maine. He completed his Child and Adolescent Psychiatry Fellowship at University of Miami, where he currently serves as volunteer faculty providing therapy supervision. He completed his General Psychiatry Residency at the Palm Beach Consortium and medical school at Nova Southeastern University in Fort Lauderdale, FL. Prior to medical school, Dr. Sikaczowski completed premedical training at Northwestern University and Harvard University after receiving his B.A in Commercial Music from Millikin University with an emphasis on classical guitar and composition. He specializes in treating child, adolescent, and adult patients with conditions including ADHD, Anxiety Disorders, Depressive Disorders, Bipolar Disorder, OCD, and Schizophrenia.
Dr. Ashley Shaw
Licensed Clinical Psychologist
Dr. Ashley Shaw has extensive clinical training in cognitive-behavioral (CBT) and dialectical behavioral (DBT) treatments for adolescents and adults, with a special emphasis on emotional disorders (including obsessive-compulsive disorder, anxiety, depression, and hoarding). Dr. Shaw is licensed in both Florida and Maine. She received her B.A. from University of North Carolina at Chapel Hill, and went on to receive her Ph.D. in Clinical Psychology in the adult division from University of Miami. She completed her clinical psychology internship training in the cognitive-behavior therapy elective at Massachusetts General Hospital/Harvard Medical School. She completed a two-year postdoctoral fellowship in the child division at the University of Miami. Between 2019 and 2022, she was a Clinical Assistant Professor at Florida International University, where she was the Clinical Director of the Mental Health Interventions and Technology (MINT) Anxiety Program and founded and directed the MINT Dialectical Behavior Therapy for Adolescents Program. From Fall, 2022 to Spring, 2023, Dr. Shaw was a Visiting Assistant Professor at Bowdoin College. Dr. Shaw will be starting as a tenure-track Assistant Professor at University of New England in August, 2023. Dr. Shaw is passionate about helping adolescents and adults who struggle with strong emotions, such as anxiety and depression. She strives to help her clients gain self-efficacy about their ability to cope with strong emotions and stressors.
Dr. Dennis Valerstain
Dr. Dennis Valerstain is a General Psychiatrist and is currently serving as Chief Fellow at University of Miami’s Child & Adolescent Psychiatry Fellowship. He sees patients in-person at our Miami office and throughout Florida via telehealth. Dr. Valerstain completed his general Psychiatry residency at University of Miami in Miami, FL and completed medical school at Northwestern Feinberg School of Medicine in Chicago, IL. Prior to medical school, Dr. Valerstain completed premedical training at Emory University in Atlanta, GA where he also obtained a BS in Chemistry and a minor in Italian Studies. He was born in Rio de Janeiro, Brazil and grew up in Miami, FL. He speaks English, Portuguese, Spanish, and some Hebrew. He specializes in treating adolescent and adult patients with conditions including ADHD, Anxiety Disorders, Depressive Disorders, Bipolar Disorder, OCD, and Schizophrenia
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