NPI Portal NPI Lookup & Verification

Madison Walker

Madison Walker is a Family Nurse Practitioner provider (Nurse Practitioner) practicing in Brighton, MI, registered in the NPPES registry with NPI 1700504255 since 2022. Practices at Theoria Medical (listed at the same practice address in NPPES).

✓ Active NPI ✓ Valid NPI checksum

NPI 1700504255
Entity type Individual (Type 1)
Name Madison Walker
Sex Female
Practice address 6247 GRAND RIVER RD STE 400, Brighton, MI, 48114
Phone 8102157177
Enumeration date 2022-08-19
Last updated in NPPES 2022-12-07

Taxonomy & licenses

Taxonomy code Specialty Primary License State
363LF0000X Family Nurse Practitioner Primary 4704348881 MI
Copy-ready billing details
Provider: Madison Walker
NPI: 1700504255
Taxonomy: 363LF0000X (Family Nurse Practitioner)
Address: 6247 GRAND RIVER RD STE 400, Brighton, MI, 48114

Other providers at this practice address

NPI Name Type Specialty Location
1164186946 Theoria Medical Organization Internal Medicine Physician Brighton, MI

Verify this record

Cross-check NPI 1700504255 against the authoritative CMS record: view Madison Walker on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

Where does Madison Walker practice?
The practice location on file with NPPES is in Brighton, MI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Madison Walker?
The National Provider Identifier (NPI) for Madison Walker is 1700504255, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2022-12-07.