Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Donna Elaine Walker, ARNP-C

Q: What is the NPI number for Donna Walker?

The National Provider Identifier (NPI) for Donna Walker is 1003847864, a Type 1 (individual) record in the CMS NPPES registry.

Adult Health Nurse Practitioner in Lady Lake, FL · enumerated 2006.

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

National Provider Identifier

1003847864

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Registry record

Entity type Individual (Type 1)

Name Ms. Donna Elaine Walker

Credential ARNP-C

Sex Female

Practice address 13940 N Us Highway 441, Bldg 100 Ste 102, Lady Lake, FL, 32159

Phone (352) 751-9900

Fax (352) 753-9438

Enumeration date Jul 6, 2006

Last updated in NPPES Dec 8, 2011

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 2099292 (FL) Primary

363LC0200X Critical Care Medicine Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 2099292 (FL) Secondary

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 Donna Walker?

The National Provider Identifier (NPI) for Donna Walker is 1003847864, a Type 1 (individual) record in the CMS NPPES registry.

Where does Donna Walker practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-12-08.