Kent A. Diehl, MD
Family Medicine Physician · Flagstaff, AZ
Kent A. Diehl, MD is a family medicine physician with a practice address in Flagstaff, Arizona, and NPI 1194745133, issued on Jul 20, 2006. Check the license (Arizona 46375, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Kent A. Diehl
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 46375 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 107 E Oak Ave, Flagstaff, AZ 86001
- Phone
- (928) 913-8800
- Enumerated
- Jul 20, 2006
- Record last updated
- Mar 14, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (928) 913-8801
- Medicaid ID
- 737449 AZ
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Also registered at 107 E Oak Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jane Bigler, MDInternal Medicine Physician1285607952
- Shannon Boffeli, APRNNurse Practitioner1861582447
- Danielle Borgerding, PA-CPhysician Assistant1841626322
- Amy Britt, MDFamily Medicine Physician1558473744
Verify Kent A. Diehl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 46375Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average family medicine physician in 2024
705 Medicare Part D claims for 334 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 154 claims were for opioids.
Most prescribed
- Prednisone92 claims
- Hydrocodone-Acetaminophen74 claims
- Cefdinir46 claims
- Ondansetron Odt37 claims
- Oxycodone-Acetaminophen32 claims
- Furosemide31 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 89 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Kent A. Diehl among 3,119 family medicine physician records in Arizona
Kent A. Diehl, MD is one of 3,119 family medicine physician records with a practice address in Arizona. 75% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2017 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
61 family medicine physician records list a practice address in Flagstaff
They are 61 of the 2,419 NPPES records with a practice address in Flagstaff, and 3,119 family medicine physician records in Arizona.
All 3,119 in Arizona → Every provider in Flagstaff → Family Medicine Physician nationwide →
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- Mary Porvaznik, MDFlagstaff, AZ 860011871582635
Common questions
What is Kent A. Diehl, MD's NPI number?
Kent A. Diehl, MD's National Provider Identifier (NPI) is 1194745133, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kent A. Diehl, MD located?
The NPPES record lists a practice address at 107 E Oak Ave, Flagstaff, AZ, 86001. Phone: (928) 913-8800. Providers update this record themselves, so call before visiting.
How can I verify Kent A. Diehl, MD's license?
NPPES lists Arizona license number 46375, 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 Kent A. Diehl, MD prescribe under Medicare Part D?
In 2024, Kent A. Diehl, MD had 705 Medicare Part D claims for 334 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Kent A. Diehl, MD's MIPS final score?
The 2023 MIPS final score is 89 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.