Updated October 2026

Hematologist and oncologists in Brooklyn, NY

Hematology and oncology
Brooklyn, New York

Hematologist and oncologists: 77
Linked to a hospital or group: 65
Hospitals with a hematologist and oncologist: 17
Medical groups with a hematologist and oncologist: 33
Practice at a hospital: 57

There are 77 hematologist and oncologists in Brooklyn. Maimonides Medical Center has the most, 12, and Maimonides Medical Center has the most affiliated hematologist and oncologists, 19. 51% finished medical school 30 or more years ago.

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Brooklyn hematologist and oncologists, listed A to Z by last name

Each hematologist and oncologist on the list has hematology and oncology as their primary specialty and a Brooklyn practice address. The list shows the NPI, and how many hospitals and medical groups each one practices with. A free account names every hospital and group, with validated contacts.

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Brooklyn hematologist and oncologists, A to Z
Hematologist and oncologist	Hospitals	Medical groups	Email and phone
Tu Tu Aung-Hillman, MDNPI 1871523001	1 hospital	-	Contacts
Olcay Batuman, MDNPI 1316931579	-	-	Contacts
Ashrei Bayewitz, MDNPI 1578826640	1 hospital	3 groups	Contacts
Leslie G. Bennett, MDNPI 1487610556	-	1 group	Contacts
Ilya A. Blokh, MDNPI 1942253414	3 hospitals	1 group	Contacts
Gino Bottino, MDNPI 1881705838	1 hospital	3 groups	Contacts
Jordonna Jessica BrownNPI 1467985564	1 hospital	-	Contacts
Jonathan Canaani, MDNPI 1821436197	2 hospitals	2 groups	Contacts
Thandavababu Chelliah, MDNPI 1730100744	1 hospital	2 groups	Contacts
Edwin ChiuNPI 1104261569	1 hospital	-	Contacts
Frank Colella, MDNPI 1023060944	-	1 group	Contacts
Miguel A. Conde, MDNPI 1093795270	4 hospitals	2 groups	Contacts
Bruce E. Culliney, MDNPI 1912982380	-	2 groups	Contacts
Michael Diaz, MDNPI 1730229584	-	-	Contacts
Alan Dosik, MDNPI 1528010386	3 hospitals	1 group	Contacts
David C. Dosik, MDNPI 1770534653	3 hospitals	1 group	Contacts
Ladan EnayatiNPI 1215428644	1 hospital	2 groups	Contacts
Qi Feng, MDNPI 1659519650	1 hospital	1 group	Contacts
Michelle Fleyshman, MDNPI 1841751013	2 hospitals	1 group	Contacts
Nelli Fromer, DONPI 1851551352	1 hospital	1 group	Contacts
Jason Parker Gonsky, MD, PhDNPI 1184835035	1 hospital	-	Contacts
Shreya Prasad Goyal, MDNPI 1861886145	2 hospitals	3 groups	Contacts
Mikhail Grinberg, MDNPI 1013917400	2 hospitals	2 groups	Contacts
Edouard Guillaume, MDNPI 1114990355	1 hospital	1 group	Contacts
Julie Huang, DONPI 1669821005	3 hospitals	3 groups	Contacts
Yiwu Huang, MDNPI 1780798462	1 hospital	2 groups	Contacts
Madhumati R. Kalavar, MDNPI 1215991070	1 hospital	4 groups	Contacts
Arvind G. Kamthan, MDNPI 1073507653	3 hospitals	2 groups	Contacts
Ratesh Khillan, MDNPI 1588869374	2 hospitals	2 groups	Contacts
Jatinder Bir Khokhar, MDNPI 1316951767	1 hospital	-	Contacts
Paula Klein, MDNPI 1568450781	2 hospitals	2 groups	Contacts
Valeria Kreyner, DONPI 1528216264	4 hospitals	1 group	Contacts
Andrea N. Leaf, MDNPI 1952322018	1 hospital	-	Contacts
Joseph Lebowicz, MDNPI 1376543959	1 hospital	2 groups	Contacts
Robert J. Levy, MDNPI 1467559856	1 hospital	1 group	Contacts
Robert D. Lewis, MDNPI 1225051402	1 hospital	-	Contacts
Bobby Chi-Hung Liaw, MDNPI 1851528731	3 hospitals	2 groups	Contacts
Carol Luhrs, MDNPI 1982654232	1 hospital	-	Contacts
Rachel Magloire, PANPI 1285709055	-	2 groups	Contacts
John Steven Marino, MDNPI 1538163803	-	1 group	Contacts
Vijay K. Mattoo, MDNPI 1780625277	1 hospital	1 group	Contacts
Lan Mo, MDNPI 1760786388	1 hospital	3 groups	Contacts
Asha D. Nayak, MDNPI 1508822834	-	-	Contacts
Elvira Neculiseanu, MDNPI 1518250729	1 hospital	2 groups	Contacts
Irena Pleskova, MDNPI 1639129026	1 hospital	1 group	Contacts
Mohan Preet, MDNPI 1134243595	2 hospitals	3 groups	Contacts
Yan Pronin, PANPI 1427160399	1 hospital	3 groups	Contacts
Kalimullah Quadri, MDNPI 1467816546	2 hospitals	2 groups	Contacts
Susan B. Radoux, MDNPI 1932281490	1 hospital	2 groups	Contacts
Masumeh Rafati Javidan, MDNPI 1467699942	4 hospitals	2 groups	Contacts

Showing 1 to 50 of 67 Brooklyn hematologist and oncologists

The list shows the 67 hematologist and oncologists with a public profile. The other 10 are counted in the total and searchable with a free account.

Sources: NPPES NPI Registry (CMS) and Dmand AI Affiliation Data

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Dmand AI has the EHR for 72 of 77 Brooklyn hematologist and oncologists, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.

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Maimonides Medical Center has the most hematologist and oncologists in Brooklyn, with 12

Maimonides Medical Center is second with 9, and Mount Sinai Institute for Liver Medicine third with 7. Counts are hematologist and oncologists with a New York address linked to each group.

Medical groups with the most hematologist and oncologists in Brooklyn
#	Medical group	Parent organization	Hematologist and oncologists
1	Maimonides Medical CenterBrooklyn	Parent on file	12
2	Maimonides Medical CenterBrooklyn	Parent on file	9
3	Mount Sinai Institute for Liver MedicineNew York	Parent on file	7
4	Interfaith Medical CenterBrooklyn	Parent on file	6
5	New York Cancer & Blood SpecialistsRidge	Parent on file	5
6	Mount Sinai Medical GroupNew York	Parent on file	5
7	Physician Affiliate Group of New York (PAGNY)New York	Parent on file	5
8	Dosik Hematology & OncologyBrooklyn	-	4
9	Downstate Health PhysiciansBrooklyn	Parent on file	4
10	Kingsbrook Jewish Medical CenterBrooklyn	Parent on file	4

Top 10 of 33 Brooklyn medical groups with a hematologist and oncologist

Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data

Maimonides Medical Center has the most affiliated hematologist and oncologists in Brooklyn, with 19

Mount Sinai Beth Israel is second with 14, and Maimonides Midwood Community Hospital third with 11. Brooklyn hematologist and oncologists are affiliated with 17 hospitals in all.

Hospitals with the most hematologist and oncologists in Brooklyn
#	Hospital	Health system	Hematologist and oncologists
1	Maimonides Medical CenterBrooklyn	Maimonides Medical Center	19
2	Mount Sinai Beth IsraelNew York	Mount Sinai Health System	14
3	Maimonides Midwood Community HospitalBrooklyn	Maimonides Medical Center	11
4	NewYork-Presbyterian/Weill Cornell Medical CenterNew York	NewYork-Presbyterian Hospital	9
5	NYC Health + Hospitals/Kings CountyBrooklyn	NYC	6
6	University Hospital at DownstateBrooklyn	State University of New York	5
7	Mount Sinai WestNew York	Mount Sinai Health System	4
8	The Brooklyn Hospital CenterBrooklyn	The Brooklyn Hospital Center	4
9	Brookdale Hospital Medical CenterBrooklyn	One Brooklyn Health System	4
10	The Mount Sinai HospitalNew York	Mount Sinai Health System	3

Top 10 of 17 Brooklyn hospitals with an affiliated hematologist and oncologistAll 11 Brooklyn hospitals

See every hospital and group for each Brooklyn hematologist and oncologist

Each public profile names one place a hematologist and oncologist practices. A free account shows all of them, with the employer, the EHR and validated contacts.

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Source: Dmand AI Affiliation Data

Most Brooklyn hematologist and oncologists practice at a hospital: 57 of the 64 with a mapped site

34 also practice at a medical group site, and 9 at physician offices. A hematologist and oncologist can practice at several kinds of site, so the shares overlap.

Brooklyn hematologist and oncologists by site of care

Hospitals5789%
Medical group practices3453%
Physician offices914%
Home health agencies58%
Clinical labs46%

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

51% of Brooklyn hematologist and oncologists finished medical school 30 or more years ago

27 of the 53 Brooklyn hematologist and oncologists with a graduation year on file. 1 graduated in the last 10 years, fewer than graduated 40 or more years ago.

Physicians by years since medical school

Under 10 years ago12%
10 to 19 years ago1223%
20 to 29 years ago1325%
30 to 39 years ago1121%
40 or more years ago1630%

Source: Dmand AI Professional Profile Data

Every Brooklyn hematologist and oncologist profile shows current hospitals and groups, Medicare activity and NPI details

Primary practiceThe main place they practice, with its type and cityOn every profile
Every site of careEach hospital, clinic and group where they practice nowWith a free account
EmployerThe organization they work for, when one is on fileWith a free account
Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
EHR in useThe EHR at each site where they practiceWith a free account
Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account

Free account: 30 days free, self-serve, no credit card.

Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data

Sources for the Brooklyn hematologist and oncologist directory

Sources for the data on this page
Data on this page	Source
HCPs, types and specialties	NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Sites of care, hospitals and medical groups	Dmand AI Affiliation Data
Medical school graduation year	Dmand AI Professional Profile Data

Data last refreshed October 2026Report an inaccuracy Remove my information

Hematologist and oncologists are HCPs whose primary specialty is hematology and oncology (taxonomy code 207RH0003X), with an active NPI and a Brooklyn practice address.

FAQ

Frequently asked questions about hematologist and oncologists in Brooklyn

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

How many hematologist and oncologists are in Brooklyn?

77 hematologist and oncologists have an active NPI, a Brooklyn practice address and hematology and oncology (taxonomy code 207RH0003X) as their primary specialty. 65 of them are linked to a hospital or medical group.

Which Brooklyn medical groups have the most hematologist and oncologists?

Maimonides Medical Center, with 12, followed by Maimonides Medical Center with 9 and Mount Sinai Institute for Liver Medicine with 7.

Which Brooklyn hospitals have the most hematologist and oncologists?

Maimonides Medical Center, with 19 affiliated hematologist and oncologists, followed by Mount Sinai Beth Israel with 14 and Maimonides Midwood Community Hospital with 11.

What share of Brooklyn hematologist and oncologists practice at a hospital?

57 of the 64 Brooklyn hematologist and oncologists with a mapped site of care, or 89%, have a current hospital affiliation.

What is the taxonomy code for hematology and oncology?

207RH0003X is the NPPES taxonomy code for hematology and oncology. Sub-specialties with their own code are counted on their own lists.

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