Matthew Anthony Walker, MD
Emergency Medicine Physician · London, OH
Matthew Anthony Walker, MD is an emergency medicine physician with a practice address in London, Ohio, and NPI 1992900419, issued on Jun 15, 2007. Check the license on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Matthew Anthony Walker
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 4301084424 MI
Self-reported in NPPES; status is on the state search - Practice location
- 210 N Main St, London, OH 43140
- Phone
- (513) 284-3019
- Enumerated
- Jun 15, 2007
- Record last updated
- Aug 15, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,002 in Ohio → Look up another NPI →
Also registered at 210 N Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Isteaq Ahmed, M.D.Family Medicine Physician1245525765
- Abdal Rahman Alhyari, MBBSHospitalist Physician1205051570
- Erica BarbariFamily Nurse Practitioner1275904708
- Janice BersoffClinical Social Worker1427049493
- Bradford Cotton, MDEmergency Medicine Physician1306803994
- Brian CummingsPhysical Therapist1033904529
Verify Matthew Anthony Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of OhioCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average emergency medicine physician in 2024
181 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Lithium Carbonate Er26 claims
- Propranolol Hcl26 claims
- Sertraline Hcl26 claims
- Risperidone25 claims
- Topiramate24 claims
- Fenofibrate18 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.
Matthew Anthony Walker among 3,002 emergency medicine physician records in Ohio
Matthew Anthony Walker, MD is one of 3,002 emergency medicine physician records with a practice address in Ohio. 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 2007, is newer than 37% of them.
- NPI issued2007 · 37% of these records are older, 55% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2013 · 60% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Ohio
There are 3,002 emergency medicine physician records in Ohio.
All 3,002 in Ohio → Every provider in London → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Matthew Chase, M.D.London, OH 431401215339486
- Bradford Cotton, MDLondon, OH 431401306803994
- Michael Abrahams, M.D.Logan, OH 431381487098463
- Neal Bucher, MDLogan, OH 431381538789466
- Brian Byrne, DOLogan, OH 431381518595982
- Doan Nguyen, MDLogan, OH 431381063040889
- George Ralph, MDLogan, OH 431381033151204
- Mario Villegas, MDLogan, OH 431381528018710
Common questions
What is Matthew Anthony Walker, MD's NPI number?
Matthew Anthony Walker, MD's National Provider Identifier (NPI) is 1992900419, issued on Jun 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Anthony Walker, MD located?
The NPPES record lists a practice address at 210 N Main St, London, OH, 43140. Phone: (513) 284-3019. Providers update this record themselves, so call before visiting.
How can I verify Matthew Anthony Walker, MD's license?
Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Matthew Anthony Walker, MD prescribe under Medicare Part D?
In 2024, Matthew Anthony Walker, MD had 181 Medicare Part D claims; 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.