Mark Sander Friedman, M.D.
Gastroenterology Physician · Forest Hills, NY
Mark Sander Friedman, M.D. is a gastroenterology physician with a practice address in Forest Hills, New York, and NPI 1912999491, issued on Aug 19, 2005. Check the license (New York 131561, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mark Sander Friedman
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 131561 NY
Self-reported in NPPES; status is on the state search - Practice location
- 7146 110TH St, Forest Hills, NY 11375
- Phone
- (718) 261-2500
- Enumerated
- Aug 19, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (718) 263-9624
- Medicaid ID
- 00548229 NY
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 7146 110TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mario Palisoc, PTPhysical Therapist1720716269
- Arthur Vogelman, MDGastroenterology Physician1417943200
Verify Mark Sander Friedman 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 131561Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average gastroenterology physician in 2024
65 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Mark Sander Friedman among 1,797 gastroenterology physician records in New York
Mark Sander Friedman, M.D. is one of 1,797 gastroenterology physician records with a practice address in New York. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2026 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in New York
There are 1,797 gastroenterology physician records in New York.
All 1,797 in New York → Every provider in Forest Hills → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Joel Baum, MDForest Hills, NY 113751679592083
- Samuel Davidoff, MDForest Hills, NY 113751922055276
- Richard Emanuel, MDForest Hills, NY 113751386699023
- Arthur Feinerman, M.D.Forest Hills, NY 113751952302507
- Joseph Golyan, MDForest Hills, NY 113751801822820
- Prem Misra, MDForest Hills, NY 113751366443863
- Kamran Nia, M.D.Forest Hills, NY 113751235191685
- Donald Nicolardi, MDForest Hills, NY 113751841239159
Common questions
What is Mark Sander Friedman, M.D.'s NPI number?
Mark Sander Friedman, M.D.'s National Provider Identifier (NPI) is 1912999491, issued on Aug 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Sander Friedman, M.D. located?
The NPPES record lists a practice address at 7146 110TH St, Forest Hills, NY, 11375. Phone: (718) 261-2500. Providers update this record themselves, so call before visiting.
How can I verify Mark Sander Friedman, M.D.'s license?
NPPES lists New York license number 131561, 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.
How much does Mark Sander Friedman, M.D. prescribe under Medicare Part D?
In 2024, Mark Sander Friedman, M.D. had 65 Medicare Part D claims; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
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.