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MADISON WALKER
NPI 1700504255
Nurse Practitioner - Family in Brighton, MI

Active since August 19, 2022PECOS Enrolled
6247 GRAND RIVER RD STE 400, BRIGHTON, MI 48114(810) 215-7177 Get Directions Write a Review

NPPES record last updated: December 7, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 7, 2022, Aug 19, 2022 (2 updates tracked since 2022).

About Madison Walker NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MADISON WALKER (NPI 1700504255) is an individual family provider in Brighton, Michigan, licensed in Michigan (4704348881) and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1700504255
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMADISON WALKER
Location Address6247 GRAND RIVER RD STE 400Brighton, MI 48114-5326
Mailing Address10401 Lafollette DrBrighton, MI 48114-9625 · (810) 336-0529
Phone(810) 215-7177
Sole ProprietorNo
Enumeration DateAugust 19, 2022
Last NPPES UpdateDecember 7, 20222 updates tracked since enumeration
NPPES CertifiedDecember 7, 2022
✔ NPI 1700504255 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MI · 4704348881
6247 GRAND RIVER RD STE 400, Brighton, MI 48114
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Priority Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Madison Walker is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Madison Walker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Theoria Medical
0.2 mi
Internal Medicine
6247 GRAND RIVER RD STE 400
Brighton, MI 48114
  • Reassigned Medicare billing, Michigan enrollment
  • 383 clinicians in this Medicare group
NPI 1164186946 (810) 215-7177
Healthy Urgent Care, PLLC
12 mi
Urgent Care
30488 MILFORD RD
New Hudson, MI 48165
  • Reassigned Medicare billing, Michigan enrollment
  • 4 clinicians in this Medicare group
NPI 1124266754 (248) 437-4625
Maria E. Smith, MD, Plc
28 mi
Internal Medicine
5105 W BRISTOL RD
Flint, MI 48507
  • Reassigned Medicare billing, Michigan enrollment
  • 2 clinicians in this Medicare group
NPI 1811375389 (810) 733-0822

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
33 services31 patients
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426
An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

THEORIA MEDICAL
Internal Medicine
6247 GRAND RIVER RD STE 400
BRIGHTON, MI 48114
Livingston County (810) 215-7177

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Madison Walker's NPI number?

The NPI number for Madison Walker is 1700504255. It was assigned to this individual provider in the NPPES registry on August 19, 2022.

Where is Madison Walker located?

Madison Walker practices at 6247 Grand River Rd Ste 400, Brighton, MI 48114. The listed phone number is (810) 215-7177.

What is Madison Walker's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Madison Walker enrolled in Medicare?

Yes. Madison Walker is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Madison Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Madison Walker reassigns Medicare benefits to 3 organizations: Theoria Medical (Brighton, MI), Healthy Urgent Care, PLLC (New Hudson, MI) and Maria E. Smith, MD, Plc (Flint, MI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Madison Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Madison Walker accept?

Health plans from Priority Health list Madison Walker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Madison Walker was last updated on December 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.