Andrew W. Walker, MD
Emergency Medicine Physician · Kalamazoo, MI
Andrew W. Walker, MD is an emergency medicine physician with a practice address in Kalamazoo, Michigan, and NPI 1003344599, issued on May 26, 2017. Check the license (Michigan 4301501104, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Andrew W. Walker
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 4301501104 MI
4351037827 MI
Self-reported in NPPES; status is on the state search - Practice location
- 601 John St, Kalamazoo, MI 49007
- Phone
- (847) 404-6853
- Enumerated
- May 26, 2017
- Record last updated
- Aug 19, 2022
- Medicare enrollment
- Enrolled (PECOS I20221110002029); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,083 in Michigan → Look up another NPI →
Also registered at 601 John St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Andrew W. Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301501104Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average emergency medicine physician in 2024
190 Medicare Part D claims for 128 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Ondansetron Odt20 claims
- Cephalexin19 claims
- Prednisone19 claims
- Amoxicillin-Clavulanate Potass12 claims
- Azithromycin11 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.
Industry payments in 2024: $38.39
2 payments; by number, the most common kind was education; the largest payer was Csl Behring. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mid-Ohio Emergency Services, LLCColumbus, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew W. Walker among 3,083 emergency medicine physician records in Michigan
Andrew W. Walker, MD is one of 3,083 emergency medicine physician 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 2017, is newer than 66% of them.
- NPI issued2017 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2017 · median 2013 among the 1,931 with a school on file
- Record last updated2022 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
154 emergency medicine physician records list a practice address in Kalamazoo
They are 154 of the 6,553 NPPES records with a practice address in Kalamazoo, and 3,083 emergency medicine physician records in Michigan.
All 3,083 in Michigan → Every provider in Kalamazoo → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Sherrie Bencik, MDKalamazoo, MI 490071952539462
- Matthew Brindley, MDKalamazoo, MI 490071427259035
- Jonathan Dadurian, MDKalamazoo, MI 490071023454832
- Brian Devetter, MDKalamazoo, MI 490071265668420
- Joseph Keithley, MDKalamazoo, MI 490071821050055
- Jeremiah Ledesma, MDKalamazoo, MI 490071568663185
- Gregory Lendzion, D.O.Kalamazoo, MI 490071104069491
- Jessica McCoy, MDKalamazoo, MI 490071689894529
Common questions
What is Andrew W. Walker, MD's NPI number?
Andrew W. Walker, MD's National Provider Identifier (NPI) is 1003344599, issued on May 26, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Andrew W. Walker, MD located?
The NPPES record lists a practice address at 601 John St, Kalamazoo, MI, 49007. Phone: (847) 404-6853. Providers update this record themselves, so call before visiting.
How can I verify Andrew W. Walker, MD's license?
NPPES lists Michigan license number 4301501104, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andrew W. Walker, MD prescribe under Medicare Part D?
In 2024, Andrew W. Walker, MD had 190 Medicare Part D claims for 128 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.