Madison Walker, PA-C
- Medicare patients, 2024
- 25
- Part D claims, 2024
- 39
- Hospital affiliations
- 1
- Industry payments
- $308
- Medical groups
- 2
- Practice address
- 100 Michigan St NE, Grand Rapids, MI 49503
- Practice phone
- Call (616) 391-1774
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Madison Walker's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Madison Walker is a physician assistant in Grand Rapids, Michigan
Madison Walker practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.
Madison Walker's NPI, 1164173811, was assigned on January 14, 2022. Madison Walker holds Michigan license 5601010950.
- NPI
- 1164173811NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052705175
- NPI enumeration date
- January 14, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (616) 391-1774
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Madison Walker practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan
Madison Walker's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth, at 100 Michigan St NE, Grand Rapids, MI 49503 in Kent County. The practice phone is (616) 391-1774.
- Corewell Health Grand Rapids Hospitals - Butterworth100 Michigan St NE, Grand Rapids, MI 49503 · Kent CountyPhone(616) 391-1774
Source: Dmand AI Affiliation Data
Madison Walker is affiliated with 3 sites of care and 2 medical groups
Madison Walker's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. The medical group on file is Corewell Health Medical Group West. Dmand AI also links Madison Walker to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Madison Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Madison Walker practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Grand Rapids Hospitals - Butterworth | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Madison Walker is one of 5,857 physician assistants in Michigan
Physician assistant is Madison Walker's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Madison Walker is licensed in Michigan.
Specialties and state licenses
- Physician assistant, MichiganPrimary
Physician assistants near Madison Walker
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Madison Walker treated 25 Medicare patients in 2024, average age 71
CMS counts 25 Medicare patients who saw Madison Walker in 2024. 75% of them have high blood pressure, and 68% have high cholesterol. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Madison Walker's median patient age at 62, with 45% women.
Madison Walker's Medicare patients by sex, 2024
- Women1352%
- Men1248%
Chronic conditions among Madison Walker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol68%
- Stroke or TIA68%
- Arthritis60%
- Anxiety56%
- Ischemic heart disease52%
- Heart failure48%
- Mood disorders48%
Share of Medicare patients with each condition. A patient can have several.
Madison Walker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Madison Walker wrote 39 Medicare Part D claims in 2024
In 2024, Madison Walker wrote 39 Medicare Part D claims for 26 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Madison Walker's Part D claims, 2024
- Opioids36%14 of 39 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Madison Walker takes part in Medicare
Madison Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Madison Walker received $308 in industry payments in 2025
CMS Open Payments shows 4 general payments to Madison Walker from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $242.
Companies that paid Madison Walker the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Madison Walker's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Madison Walker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Madison Walker's NPI number?
Madison Walker's NPI number is 1164173811. It was assigned on January 14, 2022, and it is active in the NPI Registry.
What does Madison Walker specialize in?
Madison Walker is a physician assistant in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Madison Walker practice?
Madison Walker practices at 100 Michigan St NE, Grand Rapids, MI 49503. Madison Walker's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dmand AI also links Madison Walker to 2 group practices and clinics and 1 medical group.
What is Madison Walker's office phone number?
The practice phone on file for Madison Walker is (616) 391-1774.
What is Madison Walker's medical license number?
Madison Walker holds Michigan license 5601010950.
Which hospitals is Madison Walker affiliated with?
Madison Walker practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan.
What medical group is Madison Walker part of?
Madison Walker is linked to Corewell Health Medical Group West. Dmand AI links Madison Walker to 1 more medical group.
Does Madison Walker accept Medicare?
Yes. CMS lists Madison Walker as accepting Medicare assignment.
How many Medicare patients does Madison Walker see?
CMS counts 25 Medicare patients who saw Madison Walker in 2024, with an average age of 71.
Has Madison Walker received payments from drug or device companies?
CMS Open Payments shows $308 in general payments to Madison Walker from 2 companies from 2025 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Madison Walker been practicing?
Madison Walker graduated from medical school in 2021, 5 years ago.
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