NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Alan B Schlussel, O.D.

Corneal and Contact Management Optometrist in New York, NY · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1538161740

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Registry record

Entity type Individual (Type 1)
Name Dr. Alan B Schlussel
Credential O.D.
Sex Male
Practice address New York, NY, 10016
Fax (212) 686-1704
Enumeration date Jun 1, 2005
Last updated in NPPES Dec 16, 2010

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

152WC0802X Corneal and Contact Management Optometrist Eye and Vision Services Providers · License TUV4463-1 (NY) Primary
152WC0802X Corneal and Contact Management Optometrist Eye and Vision Services Providers · License 27OA004485 (NJ) Secondary
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.

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Frequently asked questions

What specialty is Alan Schlussel?
Alan Schlussel is registered in NPPES with the primary taxonomy of Corneal and Contact Management Optometrist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-12-16.