Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Young Ahn, O.D.
Optometrist in New York, NY · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1871713727
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Registry record
Entity type Individual (Type 1)
Name Dr. Young Ahn
Credential O.D.
Sex Female
Practice address 801 Amsterdam Ave, New York, NY, 10025
Phone (212) 265-4500
Enumeration date Apr 25, 2007
Last updated in NPPES Mar 22, 2016
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Is NPI 1871713727 active?
Yes, as of the latest NPPES snapshot, NPI 1871713727 is active (record last updated 2016-03-22).
How do I verify Young Ahn's NPI record?
Cross-check NPI 1871713727 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-03-22.