Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Adrian Ong, M.D.
Plastic Surgery within the Head & Neck (Otolaryngology) Physician in New York, NY · enumerated 2016 · practices at 5th Avenue Otolaryngology, Pllc.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1922461391
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Registry record
Taxonomy & licenses
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 1922461391 active?
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Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-31.