Frank P. Ammesmaki, MD
Emergency Medicine Physician · Fort Defiance, AZ
Frank P. Ammesmaki, MD is an emergency medicine physician with a practice address in Fort Defiance, Arizona, and NPI 1710978176, issued on Nov 3, 2005. Check the license (Arizona 42378, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Frank P. Ammesmaki
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 42378 AZ
5623 SD
Self-reported in NPPES; status is on the state search - Practice location
- Corner OF Route N12 And N7, Fort Defiance, AZ 86504
- Phone
- (928) 729-8600
- Enumerated
- Nov 3, 2005
- Record last updated
- Nov 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,494 in Arizona → Look up another NPI →
Also registered at Corner OF Route N12 And N7
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Walter Adam, MDFamily Medicine Physician1053368860
- Margaret Adams, ARNPFamily Nurse Practitioner1427455682
- Sandra Adkins, DDSDentist1710918131
- Elizabeth Agre, PT, DPTPhysical Therapist1891268280
- Mohammad Akhavan Heidari, MDSurgery Physician1205041571
Verify Frank P. Ammesmaki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 42378Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average emergency medicine physician in 2024
34 Medicare Part D claims for 25 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.
Frank P. Ammesmaki among 1,494 emergency medicine physician records in Arizona
Frank P. Ammesmaki, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 55% of these records are
- Record last updated2021 · 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
- 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
- Ziad Obermeyer, MD, MPHILFort Defiance, AZ 865041467626960
Common questions
What is Frank P. Ammesmaki, MD's NPI number?
Frank P. Ammesmaki, MD's National Provider Identifier (NPI) is 1710978176, issued on Nov 3, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Frank P. Ammesmaki, MD located?
The NPPES record lists a practice address at Corner OF Route N12 And N7, Fort Defiance, AZ, 86504. Phone: (928) 729-8600. Providers update this record themselves, so call before visiting.
How can I verify Frank P. Ammesmaki, MD's license?
NPPES lists Arizona license number 42378, as entered by the provider. 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 Frank P. Ammesmaki, MD prescribe under Medicare Part D?
In 2024, Frank P. Ammesmaki, MD had 34 Medicare Part D claims for 25 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.