Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Charles P Rosenbaum, M.D

Specialist in Sylmar,, CA · enumerated 2006.

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

National Provider Identifier

1134141518

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Registry record

Entity type Individual (Type 1)

Name Charles P Rosenbaum

Credential M.D

Sex Male

Practice address 14445 Olive View Drive, Sylmar,, CA, 91342

Phone (818) 364-1555

Fax (818) 986-6365

Enumeration date Jul 24, 2006

Last updated in NPPES Mar 30, 2010

Taxonomy & licenses

174400000X Specialist Other Service Providers · License G14667 (CA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
00G146670	Medicaid	CA	-

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 specialty is Charles Rosenbaum?

Charles Rosenbaum is registered in NPPES with the primary taxonomy of Specialist. 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 2010-03-30.