Sheldon Fan, MD
Internal Medicine Physician · New York, NY
Sheldon Fan, MD is an internal medicine physician with a practice address in New York, New York, and NPI 1023758786, issued on Mar 30, 2022. Check the license (New York 344816, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Sheldon Fan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 344816 NY
Self-reported in NPPES; status is on the state search - Practice location
- 10 Union SQ E # 3G, New York, NY 10003
- Phone
- (212) 463-0101
- Enumerated
- Mar 30, 2022
- Record last updated
- Jul 25, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 10 Union SQ E # 3G
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Su Aung, M.DGeriatric Medicine (Internal Medicine) Physician1861741209
Verify Sheldon Fan 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 344816Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
15 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
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.
Sheldon Fan among 12,067 internal medicine physician records in New York
Sheldon Fan, MD is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- 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 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,434 internal medicine physician records list a practice address in New York
They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in New York → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Barbara Cheung, MDNew York, NY 100031023006020
- Alan Dubrow, MDNew York, NY 100031427031830
- Jane Falkenstein, MDNew York, NY 100031083604227
- Michael Felsen, MDNew York, NY 100031891784286
- Jonathan Field, MDNew York, NY 100031578547006
Common questions
What is Sheldon Fan, MD's NPI number?
Sheldon Fan, MD's National Provider Identifier (NPI) is 1023758786, issued on Mar 30, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Sheldon Fan, MD located?
The NPPES record lists a practice address at 10 Union SQ E # 3G, New York, NY, 10003. Phone: (212) 463-0101. Providers update this record themselves, so call before visiting.
How can I verify Sheldon Fan, MD's license?
NPPES lists New York license number 344816, 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 Sheldon Fan, MD prescribe under Medicare Part D?
In 2024, Sheldon Fan, MD had 15 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.