Sheldon D. Leidner, MD
Gastroenterology Physician · Monticello, NY
Sheldon D. Leidner, MD is a gastroenterology physician with a practice address in Monticello, New York, and NPI 1649275280, issued on Jun 20, 2005. Check the license (New York 116318, 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
- Sheldon D. Leidner
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 116318 NY
Self-reported in NPPES; status is on the state search - Practice location
- 518 Broadway, Monticello, NY 12701
- Phone
- (845) 794-1600
- Enumerated
- Jun 20, 2005
- Record last updated
- Mar 7, 2023
- Fax
- (845) 794-0749
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 518 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sheldon D. Leidner 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 116318Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Sheldon D. Leidner among 1,797 gastroenterology physician records in New York
Sheldon D. Leidner, MD 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 not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileNo · 88% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2023 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,797 in New York → Every provider in Monticello → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Eric Alatevi, MDHarris, NY 127421669824132
- David Brody, M.D.Port Jervis, NY 127711053377440
- Todd Jessup, M.D.Rock Hill, NY 127751144202979
- Robert Scoyni, M.D.Rock Hill, NY 127751427030691
- Ovais Ahmed, M.D.Glens Falls, NY 128011104189182
- Khurram Ashraf, DOPoughkeepsie, NY 126011811991508
- William Bauer, MDGlens Falls, NY 128011568467918
- Paul Burrows, MDPoughkeepsie, NY 126011023002748
Common questions
What is Sheldon D. Leidner, MD's NPI number?
Sheldon D. Leidner, MD's National Provider Identifier (NPI) is 1649275280, issued on Jun 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Sheldon D. Leidner, MD located?
The NPPES record lists a practice address at 518 Broadway, Monticello, NY, 12701. Phone: (845) 794-1600. Providers update this record themselves, so call before visiting.
How can I verify Sheldon D. Leidner, MD's license?
NPPES lists New York license number 116318, 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.