Oncologists in New York
Data updated monthly · Last refresh October 2026
550 Medical Oncology providers practice in New York, including 295 (54%) offering telehealth. The largest concentration is in New York. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
550providers
295telehealth
New Yorktop city
Medical Oncology by city in New York
Choose a city to see providers there.
Where Oncologists in New York practice
From CMS Medicare enrollment records covering 361 of the 550 providers listed here (66%). Providers who do not bill Medicare are not included in these figures.
2%solo or small practice (under 10 clinicians)
6%mid-size group (10 to 99)
92%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Oncologists | All clinicians in group | Main city |
| Memorial Solid Tumor Group | 90 | 233 | New York |
| Icahn School of Medicine at Mount Sinai | 51 | 2,809 | New York |
| Trustees of Columbia University in the City of New York | 46 | 2,262 | New York |
| New York University | 25 | 5,925 | New York |
| Memorial Hematology Lymphoma Group | 20 | 215 | New York |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Oncologists affiliated |
| New York-Presbyterian Hospital | New York | Nonprofit | 5 of 5 | 65 |
| Mount Sinai Hospital | New York | Nonprofit | 4 of 5 | 48 |
| NYU Langone Hospitals | New York | Nonprofit | 5 of 5 | 29 |
| Mount Sinai Beth Israel | New York | Nonprofit | 3 of 5 | 18 |
| Strong Memorial Hospital | Rochester | Nonprofit | 3 of 5 | 13 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Medical Oncology providers in New York
Listed by city, largest first. 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. Danielle Pastor, DO, PHDAlbany, NY · No drug or device payments recorded (2025) · Telehealth ·
(518) 626-5000 Dr. David Shaffer, MDAlbany, NY · No drug or device payments recorded (2025) ·
(518) 262-6696 Dr. John Caracandas, M.D.Albany, NY · No drug or device payments recorded (2025) ·
(518) 489-0044 Dr. John Ferraro, M.D.Albany, NY · No drug or device payments recorded (2025) ·
(518) 262-6696 Dr. Maria Theodoulou, MDAlbany, NY · $196,562 in drug and device payments (2025) · Telehealth ·
(518) 489-0044 Dr. Reju George, MDAlbany, NY · No drug or device payments recorded (2025) · Telehealth ·
(518) 262-6696 Dr. Stephen Wrzesinski, M.D., PHDAlbany, NY · $135 in drug and device payments (2025) · Telehealth ·
(518) 262-6696 Dr. Muhammad Tai, M.D.Amsterdam, NY · No drug or device payments recorded (2025) ·
(518) 843-0020 Dr. Robert Goslin, M.D.Amsterdam, NY · No drug or device payments recorded (2025) ·
(518) 843-0020 Dr. Adel Mandl, M.D., PH.D.Bronx, NY · No drug or device payments recorded (2025) · Telehealth ·
(617) 820-3433 Dr. Andreas Kaubisch, MDBronx, NY · $231 in drug and device payments (2025) · Telehealth ·
(718) 920-4057 Dr. Chaoyuan KuangBronx, NY · $5,361 in drug and device payments (2025) · Telehealth ·
(718) 405-8404 Dr. Dennis Cooper, MDBronx, NY · $17,415 in drug and device payments (2025) · Telehealth ·
(718) 920-4826 Dr. Devika Rao, MDBronx, NY · $12,022 in drug and device payments (2025) · Telehealth ·
(718) 918-3230 Dr. Joseph Sparano, MDBronx, NY · $16,937 in drug and device payments (2025) ·
(718) 405-8505 Dr. Lakshmi Rajdev, MDBronx, NY · $3,628 in drug and device payments (2025) · Telehealth ·
(718) 405-8505 Dr. Leonard Dauber, MDBronx, NY · No drug or device payments recorded (2025) ·
(718) 920-9900 Dr. Luca Paoluzzi, M.D.Bronx, NY · No drug or device payments recorded (2025) ·
(189) 204-8267 Dr. Melvin Spigelman, M.D.Bronx, NY · No drug or device payments recorded (2025) ·
(718) 432-7572 Dr. Rasim Gucalp, MDBronx, NY · $154 in drug and device payments (2025) · Telehealth ·
(718) 405-8536 Dr. Robert Gallagher, MDBronx, NY · No drug or device payments recorded (2025) ·
(718) 920-4057 Dr. Roman Perez-soler, MDBronx, NY · $3,900 in drug and device payments (2025) ·
(718) 920-4001 Dr. Sridhar Mani, MDBronx, NY · No drug or device payments recorded (2025) ·
(718) 405-8505 Dr. Tong Dai, M.D., PH.D.Bronx, NY · No drug or device payments recorded (2025) · Telehealth ·
(855) 528-7322 Dr. Michelle Boyar, MDBronxville, NY · No drug or device payments recorded (2025) · Telehealth ·
(914) 787-3100 Dr. Stephanie Smith-marrone, M.D.Bronxville, NY · No drug or device payments recorded (2025) · Telehealth ·
(914) 787-3100 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 Dr. Ajlan Atasoy, MDBuffalo, NY · No drug or device payments recorded (2025) ·
(716) 845-2300 Dr. Anne Grand'maison, M.D.Buffalo, NY · $187 in drug and device payments (2025) ·
(716) 845-2300 Dr. Anuja AbhyankarBuffalo, NY · No drug or device payments recorded (2025) ·
(716) 845-2300 Dr. Anuradha Krishnamurthy, MB BSBuffalo, NY · No drug or device payments recorded (2025) · Telehealth ·
(716) 845-2300 Dr. Bailey Fitzgerald, MDBuffalo, NY · $145 in drug and device payments (2025) · Telehealth ·
(716) 845-2300 Dr. Christos Fountzilas, M.D.Buffalo, NY · $34 in drug and device payments (2025) · Telehealth ·
(716) 845-2300 Dr. Edwin Yau, MD, PHDBuffalo, NY · $21 in drug and device payments (2025) · Telehealth ·
(716) 845-2300 Dr. Ehsan Malek, M.DBuffalo, NY · $18,592 in drug and device payments (2025) · Telehealth ·
(716) 845-2300 Dr. Ellis Levine, MDBuffalo, NY · No drug or device payments recorded (2025) ·
(716) 845-2300 Dr. Francisco Hernandez-ilizaliturri, MDBuffalo, NY · $4,700 in drug and device payments (2025) · Telehealth ·
(716) 845-2300 Dr. Grant Schofield, M.D.Buffalo, NY · $372 in drug and device payments (2025) · Telehealth ·
(716) 845-2300 Dr. Gurkamal Chatta, MDBuffalo, NY · No drug or device payments recorded (2025) · Telehealth ·
(716) 845-2300 Common questions
How many Medical Oncology providers are in New York?There are 550 Medical Oncology providers with active NPI records practicing in New York, according to federal NPPES data refreshed monthly.
Do Medical Oncology providers in New York offer telehealth?Yes. 295 of the 550 Medical Oncology providers in New York (about 54%) report offering telehealth services in CMS data.
Which cities in New York have the most Medical Oncology providers?New York (374), Buffalo (26), Rochester (17) have the highest concentration of Medical Oncology providers in New York.
How many Medical Oncology providers in New York received drug or device company payments?313 of 550 Medical Oncology providers in New York (57%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider counts and profiles 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.
Do most Oncologists in New York work in independent practices or large health systems?Among 361 Oncologists in New York enrolled in Medicare, 2% bill through a solo or small practice with fewer than 10 clinicians, 6% through a mid-size group of 10 to 99, and 92% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Oncologists in New York work at?According to CMS facility affiliation records, the New York hospitals where the most Oncologists hold privileges are New York-Presbyterian Hospital in New York; Mount Sinai Hospital in New York; NYU Langone Hospitals in New York.
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