Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ata Mazaheri, MD

Surgery Physician in Glendale, CA · enumerated 2006.

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

National Provider Identifier

1164467239

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Registry record

Entity type Individual (Type 1)

Name Ata Mazaheri

Credential MD

Sex Male

Practice address 1560 E Chevy Chase Dr, Suite 450, Glendale, CA, 91206

Phone (818) 246-3300

Fax (818) 247-7600

Enumeration date Jun 20, 2006

Last updated in NPPES May 13, 2016

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License A79930 (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
00A799300	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.

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Frequently asked questions

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.

What specialty is Ata Mazaheri?

Ata Mazaheri is registered in NPPES with the primary taxonomy of Surgery Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-05-13.