NPI Portal NPI Lookup & Verification

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

Michael S Rosenthal, D.O.

Physical Medicine & Rehabilitation Physician in Philadelphia, PA · enumerated 2006.

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

National Provider Identifier

1598704884

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Registry record

Entity type Individual (Type 1)
Name Michael S Rosenthal
Credential D.O.
Sex Male
Practice address Philadelphia, PA, 19152
Enumeration date Jun 5, 2006
Last updated in NPPES Nov 14, 2025

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

Taxonomy & licenses

208100000X Physical Medicine & Rehabilitation Physician Allopathic & Osteopathic Physicians · License OS006146L (PA) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier Type State Issuer
1196513 Other PA CIGNA
04316100 Other PA INDEPENDENCE BLUE CROSS
250008704 Other PA UNITED HEALTHCARE
608837 Other PA HIGHMARK BLUE SHIELD

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 Michael Rosenthal?
Michael Rosenthal is registered in NPPES with the primary taxonomy of Physical Medicine & Rehabilitation Physician. 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 2025-11-14.