Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ahmad Yusuf Sheikh, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in San Francisco, CA · enumerated 2007 · practices at Kaiser Foundation Health Plan Inc.

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

National Provider Identifier

1679769020

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Registry record

Entity type Individual (Type 1)

Name Ahmad Yusuf Sheikh

Credential MD

Sex Male

Practice address 2238 Geary Blvd, San Francisco, CA, 94115

Phone (415) 833-2000

Fax (650) 725-3846

Enumeration date Sep 19, 2007

Last updated in NPPES May 13, 2024

Taxonomy & licenses

204F00000X Transplant Surgery Physician Allopathic & Osteopathic Physicians · License A92408 (CA) Secondary

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License L-210863 (MA) Secondary

208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians · License A92408 (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 Ahmad Sheikh?

Ahmad Sheikh is registered in NPPES with the primary taxonomy of Thoracic Surgery (Cardiothoracic Vascular Surgery) 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 2024-05-13.