Dr. Gessman is board certified in internal medicine and has been practicing on Staten Island for more than 40 years. He began his career in private practice and currently works under Richmond Health Network, associated with Richmond University Medical Center. Dr. Gessman graduated Stony Brook and continued onto Downstate Medical School where he graduated with his degree as a doctor of medicine. He then went on to do his internship and residency at Staten Island University Hospital. Following his completion, he opened his own practice on Staten Island in 1981 where he remained until joining the Richmond Health Network team in 2017. Dr. Gessman provides care such as routine physicals, blood testing, EKG testing, immunizations, and wellness screenings. He also diagnoses chronic conditions such as hypertension, diabetes, and hyperlipidemia for which he will help manage. Following an assessment, he may refer to various specialties as well as provide information for a patient to get mammogram and colonoscopy screenings. He has served Staten Island well over the years, providing his patients comprehensive care as a primary care physician.