Tyrone Harold Walker, M.D.
Emergency Medicine Physician · Fort Defiance, AZ
Tyrone Harold Walker, M.D. is an emergency medicine physician with a practice address in Fort Defiance, Arizona, and NPI 1023183241, issued on Nov 22, 2006. Check the license on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Tyrone Harold Walker
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 214741 NY
Self-reported in NPPES; status is on the state search - Practice location
- Corner OF Rte N 12 And N 7, Fort Defiance, AZ 86504
- Phone
- (928) 729-8600
- Enumerated
- Nov 22, 2006
- Record last updated
- Jun 19, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080115000305); accepts Medicare assignment
- Medical or professional school
- Howard University College Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,494 in Arizona → Look up another NPI →
Verify Tyrone Harold Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average emergency medicine physician in 2024
43 Medicare Part D claims for 30 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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
- The Fort Defiance Indian Hospital Board, IncorporationFort Defiance, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tyrone Harold Walker among 1,494 emergency medicine physician records in Arizona
Tyrone Harold Walker, M.D. is one of 1,494 emergency medicine physician records with a practice address in Arizona. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 62% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1995 · median 2014 among the 828 with a school on file
- Record last updated2013 · 55% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 emergency medicine physician records list a practice address in Fort Defiance
They are 21 of the 590 NPPES records with a practice address in Fort Defiance, and 1,494 emergency medicine physician records in Arizona.
All 1,494 in Arizona → Every provider in Fort Defiance → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Stephen Altmin, MDFort Defiance, AZ 865041609849991
- Frank Ammesmaki, MDFort Defiance, AZ 865041710978176
- Donald BaderFt Defiance, AZ 865041316963366
- Elyssa BergFort Defiance, AZ 865041255745113
- Charles Blakely, M.D.Fort Defiance, AZ 865041427119502
- Brian Cooper, M.D.Fort Defiance, AZ 865041073673166
- John Garson, D.O.Fort Defiance, AZ 865041568534287
- Scott Kelso, M.D.Fort Defiance, AZ 865041275529638
Common questions
What is Tyrone Harold Walker, M.D.'s NPI number?
Tyrone Harold Walker, M.D.'s National Provider Identifier (NPI) is 1023183241, issued on Nov 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tyrone Harold Walker, M.D. located?
The NPPES record lists a practice address at Corner OF Rte N 12 And N 7, Fort Defiance, AZ, 86504. Phone: (928) 729-8600. Providers update this record themselves, so call before visiting.
How can I verify Tyrone Harold Walker, M.D.'s license?
Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tyrone Harold Walker, M.D. prescribe under Medicare Part D?
In 2024, Tyrone Harold Walker, M.D. had 43 Medicare Part D claims for 30 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.