Medical Oncology in Brooklyn, New York
Data updated monthly · Last refresh September 2026
10 Medical Oncology providers practice in Brooklyn. Listings are drawn from federal public records and are not endorsements.
Medical Oncology providers in Brooklyn
Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Gurinder Sidhu, MDBrooklyn, NY · $1,456 in drug and device payments (2025) · Telehealth ·
(718) 270-2785 Dr. Henryk Cioczek, MDBrooklyn, NY · $44 in drug and device payments (2025) · Telehealth ·
(718) 492-5656 Dr. Maganlal Mistry, MDBrooklyn, NY · No drug or device payments recorded (2025) ·
(718) 615-3777 Dr. Mark Grand, MDBrooklyn, NY · $121 in drug and device payments (2025) ·
(718) 858-6300 Dr. Mendel Warshawsky, MDBrooklyn, NY · $556 in drug and device payments (2025) · Telehealth ·
(718) 765-2600 Dr. Neal Meropol, MDBrooklyn, NY · No drug or device payments recorded (2025) ·
(215) 499-4448 Dr. Nyembezi Dhliwayo, MDBrooklyn, NY · $1,978 in drug and device payments (2025) · Telehealth ·
(855) 528-7322 Dr. Rajeev Balmiki, MDBrooklyn, NY · No drug or device payments recorded (2025) · Telehealth ·
(718) 765-0761 Dr. Ramsey Asmar, MDBrooklyn, NY · $47 in drug and device payments (2025) · Telehealth ·
(718) 208-1820 Dr. Stephen Lichter, M.D.Brooklyn, NY · No drug or device payments recorded (2025) ·
(718) 616-0801 Common questions
How many Medical Oncology providers are in Brooklyn, New York?There are 10 Medical Oncology providers with active NPI records practicing in Brooklyn, according to federal NPPES data refreshed monthly.
Where does this data come from?Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
All specialties in Brooklyn Medical Oncology across New York