Dennis Valerstain, MD

Dr. Thistlethwaite is a board eligible adult psychiatrist and internal medicine physician. He completed his medical education at West Virginia University School of Medicine. Following completion of medical school, Dr. Thistlethwaite completed residency training at WVU/Charleston Area Medical Center with a dual specialization in internal medicine and psychiatry. Dr. Thistlethwaite's training included treatment of patients both in the inpatient and outpatient setting as well as management of patients with comorbid medical conditions. During his training Dr. Thistlethwaite became passionate about approaching patients in a holistic manner that addressed both their physical and mental health. He is especially passionate about ensuring that patients with mental health disorders are provided with appropriate general medical care as they are a marginalized and underserved group. Dr. Thistlethwaite's practice focuses on medication management for a wide array of conditions including depression, anxiety disorders, bipolar disorder, obsessive compulsive disorder, tic disorder/Tourette's, and post traumatic stress disorder. Dr. Thistlethwaite incorporates supportive psychotherapy, cognitive behavioral therapy interventions, and some psychodynamic therapy skills in his practice as well. Dr. Thistlethwaite believes in a collaborative and holistic approach to mental healthcare that incorporates the patient as well as all members of the healthcare team in every aspect of care.

Dr. Michele Wiener is a psychiatrist with over 35 years of experience treating patients with mental health issues. Dr. Wiener's practice has historically focused on treating patients with varying mood disorders, anxiety disorders, psychotic disorders, and post-traumatic stress disorder, often complicated by substance use disorders. Dr. Wiener enjoys working with patients of all ages. She is skilled in both psychotherapy and medication management. While the emphasis will generally be on medication management, Dr Wiener will utilize insight-oriented, cognitive behavioral, and supportive psychotherapy skills to help her patients reach their treatment goals. She completed her internship at Bronx Lebanon Hospital, her residency at Montefiore Medical Center and a two-year fellowship in biological psychiatry, psychopharmacology and geriatric psychiatry at Albert Einstein College of Medicine. She served for over 20 years as Chief of Psychiatric Services for Behavioral Health Services at St John's Riverside Hospital Park Care Pavilion formerly Yonkers General Hospital. Here she was also able to enjoy teaching medical students from The Lake Erie College of Osteopathic Medicine in their psychiatric rotation. She has been Assistant Medical Director for Arms Acres, in Carmel, NY for over five years.

Mahreen Rashid, PMHNP, has over ten years of experience treating patients with a variety of psychiatric diagnoses across inpatient, intensive outpatient, and outpatient settings. While she has cared for children, adolescents, and adults, her primary focus and passion is supporting adults with their mental health needs. She earned her medical degree and completed her training with a commitment to compassionate, evidence-based care.

Mahreen takes a collaborative approach, working closely with each patient to understand their emotional needs and medication preferences. She values a team-based approach, integrating input from patients and other care providers to create a holistic treatment plan that supports overall well-being.

During initial evaluations, Mahreen gathers a thorough history, including medical background, mental health concerns, and personal goals. She reviews past medication trials, discusses previous experiences with providers, and assesses each patient’s comfort level with new treatments. Together, she and her patients develop individualized plans to support long-term mental health and wellness.

Dr. Pilar Bare is an adult psychiatrist who completed her psychiatry residency at TriStar Centennial Medical Center in Nashville, Tennessee, where she served as Chief Resident. She earned her medical degree from Western University of Health Sciences College of Osteopathic Medicine of the Pacific Northwest in Oregon, where she studied osteopathic medicine which shaped her holistic view of health. She completed an intern year in Family Medicine at the University of Arkansas for Medical Sciences West. She holds a bachelor's degree in chemistry and biology from the University of Arkansas, where she graduated with honors.

Outside of work, she enjoys hiking, backpacking, visiting national parks, and spending time with her senior dog.

Dr. Bare believes that each individual's background plays a significant role in their mental health, and understanding a patient's personal story is critical to their healing journey. She believes in a respectful, collaborative relationship built on trust and open communication. While Dr. Bare integrates evidence-based medication management when clinically appropriate, she also emphasizes the therapeutic benefit of addressing lifestyle, relationships, and internal narratives.

Dr. Bare begins care with a thorough evaluation, exploring developmental history, impactful life events, and emotional patterns. From there, she develops a comprehensive treatment plan that may include medications, wellness strategies, and therapist collaboration. She considers each patient's strengths and challenges to guide care that promotes long-term recovery and personal growth.

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Dr. Elizabeth Foote is a board-certified addiction and general psychiatrist practicing medicine for over 15 years.  

Dr. Elizabeth Foote focuses on providing integrated care for those with co-occurring disorders, depression, anxiety, obsessive-compulsive disorder, post-traumatic stress disorder and other forms of mental illness in the outpatient setting.  

She provides medication management as well as psychotherapy which includes drug and alcohol counseling, cognitive-behavioral therapy, psychodynamic psychotherapy, and cognitive processing therapy for trauma.  When combining these treatment approaches, patients receive more comprehensive mental health care.  Treatment begins with an initial assessment and a comprehensive treatment plan developed in coordination with the patient to best meet their needs.

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Dr. Albert Fernandez is a board-certified physician who specializes in adult psychiatry. He has expertise in medication management and psychotherapy. His practice emphasizes a holistic approach to treatment and his style is empathic, insight-oriented, and flexible. He has particular interests in helping individuals struggling with depression, difficulty functioning at work or school, life transitions, bipolar spectrum disorders, ADHD, obsessive-compulsive disorders, relationship struggles, anxiety disorders, sleep disturbances, low self-esteem, and more. He received his bachelor's degree in psychology from Princeton University with a certificate in neuroscience. He earned his M.D. from Renaissance School of Medicine at Stony Brook University and completed his residency training in psychiatry at the Mount Sinai Morningside and West Hospitals. He has supervised junior residents and medical students. He also worked as a staff psychiatrist at Fordham University and published a review article on the effects of residential relocation on mental health. He is currently a Post-Doctoral Candidate in the Adult Analytic Training Program at the New York Psychoanalytic Society and Institute.