Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Rafael S Collazo, OD

Optometrist in Philadelphia, PA · enumerated 2006.

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

National Provider Identifier

1528152774

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Registry record

Entity type Individual (Type 1)

Name Dr. Rafael S Collazo

Credential OD

Sex Male

Practice address 401 W Allegheny Ave, Philadelphia, PA, 19133

Phone (215) 291-2500

Fax (215) 291-2587

Enumeration date Oct 3, 2006

Last updated in NPPES Dec 15, 2025

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 6393T (PA) Primary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier	Type	State	Issuer
001052997	Medicaid	PA	-

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Rafael Collazo?

The National Provider Identifier (NPI) for Rafael Collazo is 1528152774, a Type 1 (individual) record in the CMS NPPES registry.

Where does Rafael Collazo practice?

The practice location on file with NPPES is in Philadelphia, PA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-12-15.