Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Elmostafa Elguessab, MD

Anesthesiology Physician in Modesto, CA · enumerated 2006.

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

National Provider Identifier

1740377332

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Registry record

Entity type Individual (Type 1)

Name Elmostafa Elguessab

Credential MD

Sex Male

Practice address 600 Coffee Rd, Modesto, CA, 95355

Phone (209) 521-6097

Enumeration date Oct 6, 2006

Last updated in NPPES Nov 9, 2015

Taxonomy & licenses

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License A69507 (CA) Primary

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

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Elmostafa Elguessab?

Elmostafa Elguessab is registered in NPPES with the primary taxonomy of Anesthesiology 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 2015-11-09.