Marian Fleischer, M.D.
Colon & Rectal Surgery Physician · Brooklyn, NY
Marian Fleischer, M.D. is a colon & rectal surgery physician with a practice address in Brooklyn, New York, and NPI 1861671653, issued on Oct 29, 2007. Check the license (New York 137530, as entered in NPPES) on the NYS Education Department, Office of the Professions; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Marian Fleischer
- Credential
- M.D.
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- 137530 NY
Self-reported in NPPES; status is on the state search - Practice location
- 9707 Fourth Avenue, Brooklyn, NY 11209
- Phone
- (914) 963-1400
- Enumerated
- Oct 29, 2007
- Record last updated
- Apr 29, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (914) 722-6102
- Medicaid ID
- 00727940 NY
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 199 in New York → Look up another NPI →
Verify Marian Fleischer 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 137530Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Marian Fleischer among 199 colon & rectal surgery physician records in New York
Marian Fleischer, M.D. is one of 199 colon & rectal surgery physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 43% of them.
- NPI issued2007 · 43% of these records are older, 46% newer
- In a Medicare fileNo · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 80% of these records are
- Record last updated2014 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in New York
There are 199 colon & rectal surgery physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 199 in New York → Every provider in Brooklyn → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Josef Shehebar, M.D.Brooklyn, NY 112091316246333
- Jacob Eisdorfer, DOBrooklyn, NY 112121487706255
- Boris Sachakov, MDBrooklyn, NY 112141376524785
- Hans Burkholder, MDBrooklyn, NY 112151073723318
- Gokhan Ozuner, MDBrooklyn, NY 112151093723843
- Henry Talus, M.DBrooklyn, NY 112031285650655
- Armand Asarian, M.D.Brooklyn, NY 112011528150034
- Rebecca RheeBrooklyn, NY 112201982813267
Common questions
What is Marian Fleischer, M.D.'s NPI number?
Marian Fleischer, M.D.'s National Provider Identifier (NPI) is 1861671653, issued on Oct 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Marian Fleischer, M.D. located?
The NPPES record lists a practice address at 9707 Fourth Avenue, Brooklyn, NY, 11209. Phone: (914) 963-1400. Providers update this record themselves, so call before visiting.
How can I verify Marian Fleischer, M.D.'s license?
NPPES lists New York license number 137530, 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. 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.