Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Michael D Walker, M.D.

Neurological Surgery Physician in Sarasota, FL · enumerated 2006.

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

National Provider Identifier

1578629408

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Registry record

Entity type Individual (Type 1)

Name Michael D Walker

Credential M.D.

Sex Male

Practice address 244 Cedar Park Cir, Sarasota, FL, 34242

Phone (941) 346-7866

Enumeration date Dec 28, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

207T00000X Neurological Surgery Physician Allopathic & Osteopathic Physicians · License 27043 (MA) 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 is the NPI number for Michael Walker?

The National Provider Identifier (NPI) for Michael Walker is 1578629408, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michael Walker practice?

The practice location on file with NPPES is in Sarasota, FL. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.