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Hematologists and Oncologists in New York

Data updated monthly · Last refresh October 2026

1,167 Hematology & Oncology providers practice in New York, including 493 (42%) 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.

1,167providers
493telehealth
New Yorktop city

Hematology & Oncology by city in New York

Choose a city to see providers there.

Hematology & Oncology in New York336 providers
Hematology & Oncology in Brooklyn95 providers
Hematology & Oncology in Rochester65 providers
Hematology & Oncology in Bronx52 providers
Hematology & Oncology in New Hyde Park38 providers
Hematology & Oncology in Buffalo27 providers
Hematology & Oncology in Albany25 providers
Hematology & Oncology in Staten Island24 providers
Hematology & Oncology in Stony Brook24 providers
Hematology & Oncology in Syracuse22 providers
Hematology & Oncology in Lake Success20 providers
Hematology & Oncology in White Plains19 providers
Hematology & Oncology in East Syracuse18 providers
Hematology & Oncology in Port Jefferson Station17 providers
Hematology & Oncology in Flushing16 providers
Hematology & Oncology in Williamsville14 providers
Hematology & Oncology in Poughkeepsie14 providers
Hematology & Oncology in Rockville Centre11 providers
Hematology & Oncology in Bay Shore11 providers
Hematology & Oncology in Fresh Meadows10 providers
Hematology & Oncology in Middletown10 providers
Hematology & Oncology in Mineola9 providers
Hematology & Oncology in Forest Hills7 providers
Hematology & Oncology in Woodbury7 providers

Hematology & 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. Eileen Milano, MD
Glen Cove, NY · No drug or device payments recorded (2025) · Telehealth · (516) 674-7430
Dr. Reed Phillips, M.D.
Glen Cove, NY · No drug or device payments recorded (2025) · (516) 674-4514
Dr. Debra Ferman, M.D.
Glen Head, NY · $279 in drug and device payments (2025) · (516) 609-3010
Dr. George Zervos, M.D.
Glen Head, NY · $666 in drug and device payments (2025) · (516) 609-3010
Dr. Aqeel Gillani, MD
Glens Falls, NY · $123 in drug and device payments (2025) · Telehealth · (518) 926-6620
Dr. Charles Yun, MD
Glens Falls, NY · $99 in drug and device payments (2025) · Telehealth · (518) 926-6620
Dr. Christopher Mason, D.O.
Glens Falls, NY · $935 in drug and device payments (2025) · (518) 926-6620
Dr. Eric Pillemer, M.D., PH.D.
Glens Falls, NY · No drug or device payments recorded (2025) · Telehealth · (518) 926-6620
Dr. John Stoutenburg, MD
Glens Falls, NY · $102 in drug and device payments (2025) · Telehealth · (518) 926-6620
Dr. Mark Hoffman, MD
Glens Falls, NY · No drug or device payments recorded (2025) · (518) 926-6620
Dr. Lidia Koulova, MD
Goshen, NY · $271 in drug and device payments (2025) · Telehealth · (845) 294-8888
Dr. Mark Tuckfelt, MD
Goshen, NY · No drug or device payments recorded (2025) · (845) 294-2177
Dr. William Cieplinski, MD
Goshen, NY · $732 in drug and device payments (2025) · (845) 294-8888
Dr. Fakhiuddin Ahmed, M.D.
Great Neck, NY · No drug or device payments recorded (2025) · (516) 487-2366
Dr. Hal Gerstein, MD
Great Neck, NY · $1,275 in drug and device payments (2025) · (516) 482-4790
Dr. Ivan Bergstein, M.D.
Great Neck, NY · No drug or device payments recorded (2025) · (917) 992-2168
Dr. Julia Mandelblat, M.D.
Great Neck, NY · $26 in drug and device payments (2025) · (917) 601-0824
Dr. Rita Weiss, M.D.,PH.D.
Great Neck, NY · $19 in drug and device payments (2025) · (516) 482-0080
Dr. Magdalena Pomykol-petryk, MD
Greenlawn, NY · No drug or device payments recorded (2025) · Telehealth · (631) 427-6060
Dr. Su Yun Chung, M.D.
Greenvale, NY · $123 in drug and device payments (2025) · Telehealth · (516) 325-7500
Dr. Wallace Chan, M.D.
Greenvale, NY · $591 in drug and device payments (2025) · (516) 325-7500
Dr. Adriana Lisinschi, M.D.
Halfmoon, NY · $27 in drug and device payments (2025) · (518) 831-4434
Dr. Bonnie Kiner-strachan, MD
Hawthorne, NY · $31 in drug and device payments (2025) · (914) 493-8375
Dr. Delong Liu, M.D., PH.D.
Hawthorne, NY · $58,755 in drug and device payments (2025) · (914) 493-8375
Dr. John Vaughn, M.D.
Hawthorne, NY · $20,599 in drug and device payments (2025) · Telehealth · (914) 246-6600
Dr. Karen Seiter, M.D.
Hawthorne, NY · $37,233 in drug and device payments (2025) · Telehealth · (914) 493-8375
Dr. Madhura Hanmantgad, MD
Hawthorne, NY · $1,980 in drug and device payments (2025) · (914) 246-6600
Dr. Robert Lerner, MD
Hawthorne, NY · No drug or device payments recorded (2025) · (914) 372-7887
Dr. Delfino Crescenzo, MD
Howard Beach, NY · $756 in drug and device payments (2025) · Telehealth · (718) 848-0475
Dr. Duy Vu, M.D.
Hudson, NY · No drug or device payments recorded (2025) · (518) 822-8484
Dr. Linda Demarco, M.D.
Hudson, NY · No drug or device payments recorded (2025) · (518) 822-8484
Dr. Richard Weininger, M.D.
Hudson, NY · No drug or device payments recorded (2025) · (914) 388-0800
Dr. Pragati Tandon, MD
Huntington, NY · $489 in drug and device payments (2025) · (631) 659-4440
Dr. Rosann Dalessandro, DO FACO1
Huntington, NY · No drug or device payments recorded (2025) · (631) 427-6060
Dr. Abu Ahmed, MD
Huntington Station, NY · $456 in drug and device payments (2025) · Telehealth · (631) 425-2280
Dr. Birjis Akhund, MD
Huntington Station, NY · $228 in drug and device payments (2025) · Telehealth · (631) 425-2121
Dr. Leonardo Sirulnik, MD PHD
Irvington, NY · No drug or device payments recorded (2025) · (617) 953-9329
Dr. Charles Garbo, M.D.
Ithaca, NY · $30 in drug and device payments (2025) · (607) 272-5414
Dr. Nisha Ajit, MBBS
Ithaca, NY · No drug or device payments recorded (2025) · Telehealth · (607) 272-5414
Dr. Timothy Bael, M.D.
Ithaca, NY · $278 in drug and device payments (2025) · Telehealth · (607) 272-5414
Dr. Hans Grunwald, MD
Jamaica, NY · No drug or device payments recorded (2025) · (718) 883-4673
Dr. Jose Cervantes, MD
Jamaica, NY · No drug or device payments recorded (2025) · (718) 206-6742
Dr. Jairus Ibabao, MD
Jamestown, NY · $259 in drug and device payments (2025) · (716) 664-1909
Dr. Visaharan Sivasubramaniam, M.D.
Jamestown, NY · $266 in drug and device payments (2025) · (716) 487-0141
Dr. Daniel Bellina, MD
Johnson City, NY · No drug or device payments recorded (2025) · (607) 763-6850
Dr. Ronald Harris, DO
Johnson City, NY · $1,226 in drug and device payments (2025) · (607) 763-6850
Dr. Serazul Khan, MD
Johnson City, NY · No drug or device payments recorded (2025) · (607) 763-6850
Dr. Shilpa Sambidi, M.D.
Johnson City, NY · $967 in drug and device payments (2025) · (607) 763-6850
Dr. Ovundah Okene, MD
Johnstown, NY · No drug or device payments recorded (2025) · (518) 736-1500
Dr. Faisal Paracha, MD
Kingston, NY · $440 in drug and device payments (2025) · Telehealth · (845) 443-8721

Conditions Hematology & Oncology providers in New York commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Hematology & Oncology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Hematology & Oncology providers are in New York?

There are 1,167 Hematology & Oncology providers with active NPI records practicing in New York, according to federal NPPES data refreshed monthly.

Do Hematology & Oncology providers in New York offer telehealth?

Yes. 493 of the 1,167 Hematology & Oncology providers in New York (about 42%) report offering telehealth services in CMS data.

Which cities in New York have the most Hematology & Oncology providers?

New York (336), Brooklyn (95), Rochester (65) have the highest concentration of Hematology & Oncology providers in New York.

How many Hematology & Oncology providers in New York received drug or device company payments?

667 of 1,167 Hematology & 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.

What conditions do Hematology & Oncology providers in New York treat?

Hematology & Oncology providers commonly treat breast cancer, lung cancer, lymphoma, leukemia, anemia and related conditions. Individual practices vary, so confirm with the provider before booking.

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 Hematologists and Oncologists in New York work in independent practices or large health systems?

Among 777 Hematologists and Oncologists in New York enrolled in Medicare, 7% bill through a solo or small practice with fewer than 10 clinicians, 12% through a mid-size group of 10 to 99, and 81% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Hematologists and Oncologists in New York work at?

According to CMS facility affiliation records, the New York hospitals where the most Hematologists and Oncologists hold privileges are NYU Langone Hospitals in New York; North Shore University Hospital in Manhasset; New York-Presbyterian Hospital in New York.

Related reading on HealthcareDiscovery.AI

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Hematology & Oncology in New York? Get featured.