NPPES file of Aug 9, 2026

Youhern Ahn, M.D.

Endocrinology, Diabetes & Metabolism Physician · Staten Island, NY

Youhern Ahn, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Staten Island, New York, and NPI 1447463807, issued on May 8, 2007. Check the license (New York 159151-1, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1447463807
Name
Youhern Ahn
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
159151-1 NY
Self-reported in NPPES; status is on the state search
Practice location
177A Lamped Loop, Staten Island, NY 10314
Phone
(718) 982-0021
Enumerated
May 8, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Youhern Ahn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 159151-1
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Youhern Ahn among 970 endocrinology, diabetes & metabolism physician records in New York

Youhern Ahn, M.D. is one of 970 endocrinology, diabetes & metabolism 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, 49% newer
  • In a Medicare fileNo · 86% of these records are
  • In the CMS Doctors and Clinicians fileNo · 72% of these records are
  • Record last updated2007 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in New York

There are 970 endocrinology, diabetes & metabolism physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Seshadri Das, MD,FACP,MRCP,FACE.Staten Island, NY 103141477664134
  2. Himanga Kalinga, MDStaten Island, NY 103141598320947
  3. Suruchi KarnikStaten Island, NY 103141578096640
  4. Harold Lebovitz, M.D.Staten Island, NY 103101386850857
  5. Julie ZaidanStaten Island, NY 103091851795694
  6. John Capotorto, M.D.Staten Island, NY 103061962406306
  7. Alexandra Pellecchia, MDStaten Island, NY 103051750590105
  8. Maria Ariton, MDStaten Island, NY 103041750341145

Common questions

What is Youhern Ahn, M.D.'s NPI number?

Youhern Ahn, M.D.'s National Provider Identifier (NPI) is 1447463807, issued on May 8, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Youhern Ahn, M.D. located?

The NPPES record lists a practice address at 177A Lamped Loop, Staten Island, NY, 10314. Phone: (718) 982-0021. Providers update this record themselves, so call before visiting.

How can I verify Youhern Ahn, M.D.'s license?

NPPES lists New York license number 159151-1, 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.