Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Frank M. Yusuf, M.D., A Professional Corporation

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Lancaster, CA · enumerated 2010 · authorized official Frank Yusuf, President.

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

National Provider Identifier

1548589864

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Registry record

Entity type Organization (Type 2)

Legal business name Frank M. Yusuf, M.D., A Professional Corporation

Practice address 1601 W Avenue J, Suite 104, Lancaster, CA, 93534

Phone (661) 945-1835

Fax (661) 945-2035

Enumeration date May 26, 2010

Last updated in NPPES May 26, 2010

Taxonomy & classification

208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians · License A32239 (CA) Primary

Authorized official

Name Frank Yusuf

Title President

Phone (661) 945-1835

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 is the NPI number for Frank M. Yusuf, M.D., A Professional Corporation?

The NPI for Frank M. Yusuf, M.D., A Professional Corporation is 1548589864, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Frank M. Yusuf, M.D., A Professional Corporation?

NPPES lists Frank Yusuf (President) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-05-26.