Hematologists (Internal Medicine) in New York
Data updated monthly · Last refresh October 2026
163 Hematology (Internal Medicine) providers practice in New York, including 68 (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.
163providers
68telehealth
New Yorktop city
Hematology (Internal Medicine) by city in New York
Choose a city to see providers there.
Where Hematologists (Internal Medicine) in New York practice
From CMS Medicare enrollment records covering 90 of the 163 providers listed here (55%). Providers who do not bill Medicare are not included in these figures.
4%solo or small practice (under 10 clinicians)
7%mid-size group (10 to 99)
89%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Hematologists (Internal Medicine) | All clinicians in group | Main city |
| Icahn School of Medicine at Mount Sinai | 13 | 2,809 | New York |
| University of Rochester | 13 | 960 | Rochester |
| Hematology Clinical Group | 13 | 80 | Rochester |
| New York University | 12 | 5,925 | New York |
| Trustees of Columbia University in the City of New York | 10 | 2,262 | New York |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Hematologists (Internal Medicine) affiliated |
| New York-Presbyterian Hospital | New York | Nonprofit | 5 of 5 | 16 |
| Strong Memorial Hospital | Rochester | Nonprofit | 3 of 5 | 13 |
| Mount Sinai Hospital | New York | Nonprofit | 4 of 5 | 13 |
| NYU Langone Hospitals | New York | Nonprofit | 5 of 5 | 12 |
| Mount Sinai Beth Israel | New York | Nonprofit | 3 of 5 | 6 |
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.
Hematology (Internal Medicine) 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. Alan Rauch, M.D.Albany, NY · No drug or device payments recorded (2025) ·
(518) 262-6696 Dr. Donald Pasquale, M.D.Albany, NY · No drug or device payments recorded (2025) ·
(518) 626-5000 Dr. Edwin Taft, M.D.Albany, NY · No drug or device payments recorded (2025) ·
(518) 262-6696 Dr. Harry Dunn, M.D.Albany, NY · No drug or device payments recorded (2025) ·
(518) 262-6696 Dr. Ellen Friedman, MDBronx, NY · $1,745 in drug and device payments (2025) · Telehealth ·
(718) 920-4057 Dr. Henny Billett, MDBronx, NY · $1,155 in drug and device payments (2025) · Telehealth ·
(866) 633-8255 Dr. Herbert Lachman, MDBronx, NY · No drug or device payments recorded (2025) ·
(718) 409-9450 Dr. Ira Sussman, MDBronx, NY · No drug or device payments recorded (2025) ·
(718) 920-4540 Dr. Joan Uehlinger, MDBronx, NY · No drug or device payments recorded (2025) ·
(718) 920-4559 Dr. Karenza Alexis, MDBronx, NY · No drug or device payments recorded (2025) ·
(718) 918-5753 Dr. Michael Stemerman, MDBronx, NY · No drug or device payments recorded (2025) ·
(718) 430-2186 Dr. Shirley Levine, MDBronx, NY · No drug or device payments recorded (2025) ·
(718) 920-7388 Dr. Thomas Muhlfelder, M.D.Bronx, NY · No drug or device payments recorded (2025) ·
(718) 584-9000 Dr. Alicia Gomensoro, M.D.Brooklyn, NY · No drug or device payments recorded (2025) ·
(718) 283-7650 Dr. Amy Sun, M.D.-PH.D.Brooklyn, NY · $228 in drug and device payments (2025) · Telehealth ·
(646) 754-8570 Dr. Ayanna Baptiste, MDBrooklyn, NY · No drug or device payments recorded (2025) · Telehealth ·
(718) 857-5643 Dr. Chi Cheung, MDBrooklyn, NY · No drug or device payments recorded (2025) ·
(718) 627-9080 Dr. Harvey Dosik, MDBrooklyn, NY · $304 in drug and device payments (2025) ·
(718) 780-5240 Dr. Joel Schwartz, MDBrooklyn, NY · No drug or device payments recorded (2025) ·
(718) 270-2785 Dr. Oscar Lahoud, M.D.Brooklyn, NY · $50,173 in drug and device payments (2025) · Telehealth ·
(516) 559-1523 Dr. Ralph Carmel, MDBrooklyn, NY · $300 in drug and device payments (2025) ·
(718) 780-3253 Dr. Rita Bellevue, MDBrooklyn, NY · $300 in drug and device payments (2025) ·
(718) 780-5131 Dr. Alex NiuBuffalo, NY · $2,792 in drug and device payments (2025) ·
(716) 845-2300 Dr. Peter Maslak, MDBuffalo, NY · No drug or device payments recorded (2025) ·
(716) 845-2300 Dr. Showkat Hamid, MDBuffalo, NY · $208 in drug and device payments (2025) ·
(716) 845-2300 Dr. Robert Babcock, M.D.Canandaigua, NY · No drug or device payments recorded (2025) ·
(585) 393-7211 Dr. Nikolaos Botsoglou, M.D.Cheektowaga, NY · $107 in drug and device payments (2025) ·
(716) 896-5922 Dr. Peter Burkart, M.D.Cohoes, NY · No drug or device payments recorded (2025) ·
(518) 786-7723 Dr. Sandra Scroggins, M.D.Cohoes, NY · No drug or device payments recorded (2025) ·
(518) 786-7723 Dr. Eli Kleinman, MDCorona, NY · No drug or device payments recorded (2025) ·
(718) 760-7627 Dr. Raul Manrique, M.D.Elmhurst, NY · No drug or device payments recorded (2025) ·
(718) 334-4952 Dr. Gaudy Vanegas, MDFar Rockaway, NY · No drug or device payments recorded (2025) ·
(718) 869-7672 Dr. John Nelson, M.D.Hawthorne, NY · $23 in drug and device payments (2025) ·
(914) 493-8375 Dr. Michael Buchholtz, MD FACPHuntington, NY · $154 in drug and device payments (2025) · Telehealth ·
(631) 425-2280 Dr. Isabel Cunningham, M.D.Jamaica, NY · No drug or device payments recorded (2025) ·
(718) 883-4031 Dr. Bradley Goldberg, M.D.Manhasset, NY · $9,048 in drug and device payments (2025) · Telehealth ·
(516) 562-0100 Dr. Malcolm Levine, M.D.Manhasset, NY · No drug or device payments recorded (2025) ·
(516) 627-1221 Dr. Beverly Deren, MDMount Kisco, NY · No drug or device payments recorded (2025) ·
(914) 241-1050 Dr. Thomas Lester, MDMount Kisco, NY · No drug or device payments recorded (2025) ·
(914) 232-3135 Dr. Clifton LeeNewburgh, NY · No drug or device payments recorded (2025) · Telehealth ·
(845) 561-6100 Dr. Han-mou Tsai, MDNew Hyde Park, NY · No drug or device payments recorded (2025) ·
(516) 508-6571 Dr. Hina Naqvi, MDNew Hyde Park, NY · No drug or device payments recorded (2025) ·
(516) 883-0122 Dr. Adam Kittai, M.D.New York, NY · $27,263 in drug and device payments (2025) ·
(212) 241-6756 Dr. Ahmed Sawas, M.D.New York, NY · $51,882 in drug and device payments (2025) · Telehealth ·
(212) 305-5098 Dr. Allyson Ocean, MDNew York, NY · $443,849 in drug and device payments (2025) · Telehealth ·
(212) 746-2844 Dr. Andrea Popescu-martinez, MDNew York, NY · No drug or device payments recorded (2025) ·
(212) 562-1130 Dr. Andrew Eisenberger, MDNew York, NY · No drug or device payments recorded (2025) · Telehealth ·
(212) 305-0983 Common questions
How many Hematology (Internal Medicine) providers are in New York?There are 163 Hematology (Internal Medicine) providers with active NPI records practicing in New York, according to federal NPPES data refreshed monthly.
Do Hematology (Internal Medicine) providers in New York offer telehealth?Yes. 68 of the 163 Hematology (Internal Medicine) providers in New York (about 42%) report offering telehealth services in CMS data.
Which cities in New York have the most Hematology (Internal Medicine) providers?New York (83), Rochester (21), Bronx (12) have the highest concentration of Hematology (Internal Medicine) providers in New York.
How many Hematology (Internal Medicine) providers in New York received drug or device company payments?74 of 163 Hematology (Internal Medicine) providers in New York (45%) 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 Hematologists (Internal Medicine) in New York work in independent practices or large health systems?Among 90 Hematologists (Internal Medicine) in New York enrolled in Medicare, 4% bill through a solo or small practice with fewer than 10 clinicians, 7% through a mid-size group of 10 to 99, and 89% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Hematologists (Internal Medicine) in New York work at?According to CMS facility affiliation records, the New York hospitals where the most Hematologists (Internal Medicine) hold privileges are New York-Presbyterian Hospital in New York; Strong Memorial Hospital in Rochester; Mount Sinai Hospital in New York.
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