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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. John Ferrarone, M.D.
New York, NY · No drug or device payments recorded (2025) · (212) 746-9663
Dr. John Klement, MD, PHD
New York, NY · No drug or device payments recorded (2025) · (646) 632-9223
Dr. John Leonard, MD
New York, NY · $35,418 in drug and device payments (2025) · Telehealth · (212) 746-2932
Dr. John Mascarenhas, MD
New York, NY · $65,194 in drug and device payments (2025) · (212) 241-1948
Dr. John Moohr, M.D.
New York, NY · No drug or device payments recorded (2025) · (212) 260-5435
Dr. John Olichney, M.D.
New York, NY · No drug or device payments recorded (2025) · (212) 246-9101
Dr. Johnson Liu, MD
New York, NY · $200 in drug and device payments (2025) · (212) 241-6756
Dr. Jonathan Peled, MD, PHD
New York, NY · No drug or device payments recorded (2025) · (212) 639-2000
Dr. Jonathan Schwartz, MD
New York, NY · $27 in drug and device payments (2025) · (212) 241-6756
Dr. Joseph Ament, M.D.
New York, NY · $1,441 in drug and device payments (2025) · Telehealth · (212) 410-6200
Dr. Joshua Fein, MD
New York, NY · $3,175 in drug and device payments (2025) · (646) 962-7950
Dr. Joshua Sabari, M.D.
New York, NY · $154,263 in drug and device payments (2025) · Telehealth · (212) 639-2000
Dr. Jules Mercier-ross, MD
New York, NY · No drug or device payments recorded (2025) · (212) 241-6500
Dr. Juliana Eng, M.D.
New York, NY · No drug or device payments recorded (2025) · Telehealth · (212) 639-2000
Dr. Julian Decter, MD
New York, NY · No drug or device payments recorded (2025) · (212) 517-5900
Dr. Julia Palecki
New York, NY · No drug or device payments recorded (2025) · (646) 962-2800
Dr. Juliet Barker, MBBS
New York, NY · $76 in drug and device payments (2025) · (646) 962-7950
Dr. Jun Choi, M.D.
New York, NY · $755 in drug and device payments (2025) · Telehealth · (212) 263-5506
Dr. Jung-hoon Lee, M.D.
New York, NY · No drug or device payments recorded (2025) · Telehealth · (646) 962-2000
Dr. Junjing Guo, MD,PHD
New York, NY · $1,944 in drug and device payments (2025) · Telehealth · (212) 861-6660
Dr. Justin Kaner, M.D.
New York, NY · $20,595 in drug and device payments (2025) · (212) 746-9812
Dr. Kanu Patel, MD
New York, NY · No drug or device payments recorded (2025) · (212) 673-3737
Dr. Karen Haglof, M.D.
New York, NY · No drug or device payments recorded (2025) · (212) 689-6791
Dr. Karen Simon, M.D.
New York, NY · No drug or device payments recorded (2025) · (212) 995-7410
Dr. Karishma Rupani, MD, MMSC
New York, NY · No drug or device payments recorded (2025) · (212) 523-5230
Dr. Karlo Perica
New York, NY · $35 in drug and device payments (2025) · (212) 639-2000
Dr. Katharine Hsu, MD
New York, NY · No drug or device payments recorded (2025) · (646) 888-2667
Dr. Kathleen Cathcart, MD
New York, NY · No drug or device payments recorded (2025) · (212) 639-2000
Dr. Katya Ahr, MD
New York, NY · No drug or device payments recorded (2025) · (212) 639-2000
Dr. Kelly Kacinski, NP
New York, NY · No drug or device payments recorded (2025) · (212) 879-3496
Dr. Kelsey Sokol
New York, NY · $22 in drug and device payments (2025) · Telehealth · (212) 241-6500
Dr. Kennth Hymes, M.D.
New York, NY · No drug or device payments recorded (2025) · (212) 731-5196
Dr. Kevin Sullivan, M.D.
New York, NY · No drug or device payments recorded (2025) · Telehealth · (212) 434-3630
Dr. Khalid Dar, MD
New York, NY · $315 in drug and device payments (2025) · Telehealth · (212) 523-8570
Dr. Kire Lau, MD
New York, NY · No drug or device payments recorded (2025) · (212) 562-1135
Dr. Kuo-kai Chin, MD
New York, NY · $7,874 in drug and device payments (2025) · Telehealth · (212) 639-2000
Dr. Lan Mo, M.D.
New York, NY · $5,568 in drug and device payments (2025) · (212) 312-5920
Dr. Lauren Banaszak, MD
New York, NY · $29 in drug and device payments (2025) · Telehealth · (347) 798-2913
Dr. Lee Shechtman, M.D.
New York, NY · No drug or device payments recorded (2025) · (212) 253-9926
Dr. Lewis Lipsey, M.D.
New York, NY · No drug or device payments recorded (2025) · (212) 828-4800
Dr. Lionel Grossbard, M.D.
New York, NY · No drug or device payments recorded (2025) · (212) 305-8399
Dr. Lori Schleicher, MD
New York, NY · $172 in drug and device payments (2025) · (212) 305-7115
Dr. Lynn Ratner, M.D.
New York, NY · No drug or device payments recorded (2025) · (212) 396-0400
Dr. Madhuri Devabhaktuni, M.D.
New York, NY · $16 in drug and device payments (2025) · Telehealth · (212) 523-8570
Dr. Malin Hultcrantz, MD PHD
New York, NY · $8,300 in drug and device payments (2025) · Telehealth · (212) 639-5126
Dr. Maria Feinstein, NP
New York, NY · No drug or device payments recorded (2025) · (646) 754-7460
Dr. Maria Palomba, MD
New York, NY · $67 in drug and device payments (2025) · Telehealth · (212) 639-2000
Dr. Maria Pietanza, M.D.
New York, NY · No drug or device payments recorded (2025) · (212) 639-2000
Dr. Mark Dickson, M.D.
New York, NY · No drug or device payments recorded (2025) · Telehealth · (646) 888-4164
Dr. Mark Geyer, MD
New York, NY · $5,751 in drug and device payments (2025) · Telehealth · (212) 639-2000

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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Related

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.