Zachary Thomas Walker, MD
Surgery Physician · Lansing, MI
Zachary Thomas Walker, MD is a surgery physician with a practice address in Lansing, Michigan, and NPI 1821849373, issued on Apr 1, 2024. Check the license (Michigan 4351053721, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Zachary Thomas Walker
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 4351053721 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1215 E Michigan Ave, Lansing, MI 48912
- Phone
- (517) 364-1000
- Enumerated
- Apr 1, 2024
- Record last updated
- Jul 17, 2024
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,376 in Michigan → Look up another NPI →
Also registered at 1215 E Michigan Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Zachary Thomas Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4351053721Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average surgery physician in 2024
68 Medicare Part D claims for 38 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 24 claims were for opioids.
Most prescribed
- Oxycodone Hcl16 claims
- Ondansetron Odt13 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: $68.05
1 payment: food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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.
Zachary Thomas Walker among 1,376 surgery physician records in Michigan
Zachary Thomas Walker, MD is one of 1,376 surgery physician records with a practice address in Michigan. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 92% of them.
- NPI issued2024 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 52% of these records are
- Record last updated2024 · 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 208600000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Michigan
There are 1,376 surgery physician records in Michigan.
All 1,376 in Michigan → Every provider in Lansing → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Larry Ansari, M.D.Lansing, MI 489121699939637
- Keith Apelgren, M.D.Lansing, MI 489121245271188
- Lakshmipathi Kareti, M.D.Lansing, MI 489121790796886
- John Kepros, M.D.Lansing, MI 489121487665519
- Shaun Khoo, M.D.Lansing, MI 489121891819025
- Hugh Lindsey, M.D.Lansing, MI 489121588671390
- Shay Mansoor, MDLansing, MI 489121396009270
- Ozanan Meireles, M.D.Lansing, MI 489121972787091
Common questions
What is Zachary Thomas Walker, MD's NPI number?
Zachary Thomas Walker, MD's National Provider Identifier (NPI) is 1821849373, issued on Apr 1, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Thomas Walker, MD located?
The NPPES record lists a practice address at 1215 E Michigan Ave, Lansing, MI, 48912. Phone: (517) 364-1000. Providers update this record themselves, so call before visiting.
How can I verify Zachary Thomas Walker, MD's license?
NPPES lists Michigan license number 4351053721, 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 Zachary Thomas Walker, MD prescribe under Medicare Part D?
In 2024, Zachary Thomas Walker, MD had 68 Medicare Part D claims for 38 beneficiaries; the average among surgery physician prescribers was 147. 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.