Youhern Ahn, M.D.
NPI 1447463807 · Endocrinology, Diabetes & Metabolism Physician · Staten Island, NY
Youhern Ahn, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Staten Island, NY (NPI 1447463807).
Provider details
- NPI number
- 1447463807
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 159151-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is Youhern Ahn's NPI number?
- Youhern Ahn's National Provider Identifier (NPI) is 1447463807, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Youhern Ahn's specialty?
- Youhern Ahn is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Youhern Ahn located?
- Youhern Ahn's practice location on file with NPPES is 177a Lamped Loop, Staten Island, NY 10314-5835.
- What is Youhern Ahn's phone number?
- The practice phone number listed in the NPPES registry for Youhern Ahn is (718) 982-0021.
- Is Youhern Ahn's NPI active?
- Yes — Youhern Ahn's NPI (1447463807) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.