Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Saif Ali Khan, M.D.

Student in an Organized Health Care Education/Training Program in Tucson, AZ · enumerated 2024.

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

National Provider Identifier

1538900428

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Registry record

Entity type Individual (Type 1)

Name Mr. Saif Ali Khan

Credential M.D.

Sex Male

Practice address Internal Medicine Residency Program, Northwest Medical, 6200 N La Cholla Blvd, Tucson, AZ, 85741

Phone (520) 742-9000

Enumeration date Jun 4, 2024

Last updated in NPPES Dec 3, 2024

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care 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 Saif Khan?

Saif Khan is registered in NPPES with the primary taxonomy of Student in an Organized Health Care Education/Training Program. 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 2024-12-03.