Rogelio Thomas, MD, MPP, FASAM

Medical Director and Co-Founder

Dr. Thomas is the Medical Director and Managing member of HOHA.  He is a graduate of Harvard College, Harvard Medical School and Harvard's Kennedy School of Government.  He is a Board Certified Internist and addiction specialist who has also completed post-graduate training in Preventive Medicine and Public Health.  His areas of special interest are primary care services, addiction medicine and health policy.


Dr. Thomas has served as a consultant Medical Director for several New York City agencies that provide care services to the homeless, to individuals receiving addiction recovery services and to those receiving HIV related services.


In addition to his many clinical and administrative responsibilities, Dr. Thomas is also an educator.  He has served as an instructor of medicine at the Downstate Medical Center and an assistant professor of medicine at the Albert Einstein College of Medicine.  He also has to his credit many publications in professional and academic journals.


Dr. Thomas has been a member of numerous professional committees and task forces, including a Governor's appointment to the New York State Task Force of Life and the Law.  He has also served on the board of directors for several community based organizations.

Sherri M. Flournoy

Executive Director

Sherri M. Flournoy is a Clinical Licensed Social Worker (LCSWR). She joined Hands On Health Associates, LLC as Executive Director in May of 2020.


Mrs. Flournoy received a BA in Psychology from St. John's University and a MSW from Hunter College School of Social Work. She received a certificate in Seminar Training in Field Instruction (SIFI) from Adelphi University and post graduate training in child and adolescent services at the Advanced Institute for Analytic Psychotherapy.


Mrs. Flournoy’s professional career spans over 30 years. She has provided behavioral health services to individuals and families, and has worked in the field of substance use disorders for more than 20 years. Mrs. Flournoy worked as an adjunct lecturer for 10 years and taught undergraduate students in the Social Sciences Department of the City University of New York. Mrs. Flournoy has been recognized and received several awards acknowledging her commitment to community service. Most recently, in March 2019, she was recognized for her leadership by the NAACP Lakeview Youth Council.


Mrs. Flournoy has served as an administrator, clinician, advocate, mentor, coach, educator, and trainer to several organizations throughout the New York City area and Nassau County. Mrs. Flournoy remains passionate and committed towards increasing the availability of behavioral healthcare services in underserved communities. She continues to work diligently in reducing the stigma and disparities regarding substance use disorders.


“We are living in unprecedented times that requires rapid change in healthcare. I am honored to join Hands On Health Associates, LLC as its Executive Director. I look forward to working with the Hands On team as we respond to the growing needs of the community.” - Sherri Flournoy

Marcia Allen-Booker, LMSW, CASAC


Mrs. Booker is a graduate of Stony Brook University's School of Social Welfare Masters Program.  She is a Licensed Master Social Worker, a Credentialed Alcohol and Substance Abuse counselor, is certified as a Field Educator for State University of New York.  She is also a veteran and specializes in treatment of Post Traumatic Stress Disorder (PTSD).  Her areas of interest are treatment and advocacy for criminal justice clients, alternative to incarceration and treatment of the mentally ill and/or chemically addicted.

Contact Us Today!

Hands On Health Associates LLC
249 Pennsylvania Ave
Brooklyn, NY 11207

Phone: 1(347)547-3626

E-mail: admin@handsonny.com

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