Ellen M. Walker, PA-C
Physician Assistant · Ypsilanti, MI
Ellen M. Walker, PA-C is a physician assistant with a practice address in Ypsilanti, Michigan, and NPI 1942765185, issued on Feb 1, 2019. Check the license (Michigan 5601011369, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ellen M. Walker
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 5601011369 MI
Self-reported in NPPES; status is on the state search - Practice location
- Iha Neurology, Ypsilanti, MI 48197
- Phone
- (734) 712-1400
- Enumerated
- Feb 1, 2019
- Record last updated
- Aug 24, 2023
- Fax
- (734) 623-2857
- Medicare enrollment
- Enrolled (PECOS I20221011000842); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 6,989 in Michigan → Look up another NPI →
Also registered at Iha Neurology
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adam Ihrig, PA-CPhysician Assistant1306299649
- Amin Marji, MDNeurology Physician1427554518
- Shabnam Pakneshan, M.DNeurology Physician1427477157
Verify Ellen M. Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5601011369Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average physician assistant in 2024
495 Medicare Part D claims for 163 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Topiramate41 claims
- Donepezil Hcl38 claims
- Levetiracetam34 claims
- Carbidopa-Levodopa32 claims
- Gabapentin30 claims
- Lacosamide17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Iha Health Services CorporationLivonia, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ellen M. Walker among 6,989 physician assistant records in Michigan
Ellen M. Walker, PA-C is one of 6,989 physician assistant records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 61% of them.
- NPI issued2019 · 61% of these records are older, 34% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2022 · median 2017 among the 4,739 with a school on file
- Record last updated2023 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
162 physician assistant records list a practice address in Ypsilanti
They are 162 of the 3,625 NPPES records with a practice address in Ypsilanti, and 6,989 physician assistant records in Michigan.
All 6,989 in Michigan → Every provider in Ypsilanti → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Matthew Clark, P.A.Ypsilanti, MI 481971891848388
- Harold Gibson, PAYpsilanti, MI 481971265469746
- Kathleen Kerr, PAYpsilanti, MI 481971437126406
- James Kilmark, PAYpsilanti, MI 481971699702829
- Evo Levi, P.A.-C.Ypsilanti, MI 481971568426963
- David Martin, PHYSICIAN ASSISTANTYpsilanti, MI 481971336255504
- Carolyn Nickel, PAYpsilanti, MI 481971558349910
- Lauren Parzen, M.S., PA-CYpsilanti, MI 481971154468841
Common questions
What is Ellen M. Walker, PA-C's NPI number?
Ellen M. Walker, PA-C's National Provider Identifier (NPI) is 1942765185, issued on Feb 1, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Ellen M. Walker, PA-C located?
The NPPES record lists a practice address at Iha Neurology, Ypsilanti, MI, 48197. Phone: (734) 712-1400. Providers update this record themselves, so call before visiting.
How can I verify Ellen M. Walker, PA-C's license?
NPPES lists Michigan license number 5601011369, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Ellen M. Walker, PA-C prescribe under Medicare Part D?
In 2024, Ellen M. Walker, PA-C had 495 Medicare Part D claims for 163 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.