Michelle Fleyshman, MD
Hematology & Oncology Physician · Brooklyn, NY
Michelle Fleyshman, MD is a hematology & oncology physician with a practice address in Brooklyn, New York, and NPI 1841751013, issued on Mar 28, 2019. Check the license (New York 337500, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Michelle Fleyshman
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 337500 NY
Self-reported in NPPES; status is on the state search - Practice location
- 6300 8TH Ave, Brooklyn, NY 11220
- Phone
- (718) 765-2674
- Enumerated
- Mar 28, 2019
- Record last updated
- Aug 6, 2026
- Medicare enrollment
- Enrolled (PECOS I20250625002233); accepts Medicare assignment
- Medical or professional school
- Drexel University College Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,163 in New York → Look up another NPI →
Also registered at 6300 8TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Berlach, MD CMRadiation Oncology Physician1811275514
- James Butler, M.D.Therapeutic Radiology Physician1417958182
- Jay Cooper, M.D.Therapeutic Radiology Physician1952302754
- Bernadine Donahue, M.D.Therapeutic Radiology Physician1750382644
- Sarah Egan, M.D.Hospice and Palliative Medicine (Internal Medicine) Physician1396718094
- Aimee Gallant, MDTherapeutic Radiology Physician1205235199
Verify Michelle Fleyshman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 337500Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Maimonides Faculty Practice PlanBrooklyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michelle Fleyshman among 1,163 hematology & oncology physician records in New York
Michelle Fleyshman, MD is one of 1,163 hematology & oncology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 92% of them.
- NPI issued2019 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2019 · median 2002 among the 833 with a school on file
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in New York
There are 1,163 hematology & oncology physician records in New York.
All 1,163 in New York → Every provider in Brooklyn → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Kenneth Csehak, MDBrooklyn, NY 112201114459989
- Qi Feng, M.D.Brooklyn, NY 112201659519650
- Songchuan Guo, M.D.Brooklyn, NY 112201013214535
- Yiwu Huang, MDBrooklyn, NY 112201780798462
- Julie Huang, D.O.Brooklyn, NY 112201669821005
- Samuel Kopel, MDBrooklyn, NY 112201699889451
- Susan Radoux, M.D.Brooklyn, NY 112201932281490
- Philip Rubin, MDBrooklyn, NY 112201336253053
Common questions
What is Michelle Fleyshman, MD's NPI number?
Michelle Fleyshman, MD's National Provider Identifier (NPI) is 1841751013, issued on Mar 28, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Michelle Fleyshman, MD located?
The NPPES record lists a practice address at 6300 8TH Ave, Brooklyn, NY, 11220. Phone: (718) 765-2674. Providers update this record themselves, so call before visiting.
How can I verify Michelle Fleyshman, MD's license?
NPPES lists New York license number 337500, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.