Austin Paul Diehl, MD
Hospitalist Physician · Gilbert, AZ
Austin Paul Diehl, MD is a hospitalist physician with a practice address in Gilbert, Arizona, and NPI 1952051088, issued on Mar 23, 2022. Check the license (Arizona 75927, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Austin Paul Diehl
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 75927 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1900 N Higley Road, Gilbert, AZ 85234
- Phone
- (480) 543-2034
- Enumerated
- Mar 23, 2022
- Record last updated
- Nov 12, 2025
- Fax
- (480) 543-2647
- Medicare enrollment
- Enrolled (PECOS I20251008001847); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1900 N Higley Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Julian Dunkley, MDHospitalist Physician1720616691
- David Edwards, MDInternal Medicine Physician1871618710
Verify Austin Paul Diehl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 75927Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% more Medicare Part D claims than the average hospitalist physician in 2024
545 Medicare Part D claims for 166 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium28 claims
- Pantoprazole Sodium25 claims
- Lisinopril17 claims
- Albuterol Sulfate Hfa16 claims
- Gabapentin15 claims
- Metformin Hcl15 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.
Bills Medicare through 2 group practices
- Banner Cancer Center Specialists LLCGilbert, AZ
- Banner Hospital Based Physicians Arizona LLCGilbert, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hospitalist Physician providers in Arizona
There are 775 hospitalist physician records in Arizona.
Other hospitalist physician records in Arizona
- Mohemmedd Khalid AbbasPhoenix, AZ1316366651
- Anam Abbasi, MDPhoenix, AZ1568990695
- Brandon Abbott, D.O., M.P.H.Phoenix, AZ1528350139
- Yasir Abdulqader, MDPhoenix, AZ1184955395
- Rajeev Achari, MDPhoenix, AZ1508817842
- Zubair Ahmed, MDPhoenix, AZ1538749643
- Abu Areida Akam, MDYuma, AZ1801978705
- Futoon Al Akili, M.D.Scottsdale, AZ1750701702
- Ihsan Al Bayati, MDPhoenix, AZ1992445373
- Ahmed Al Dulaimi, MDPhoenix, AZ1669051793
Common questions
What is Austin Paul Diehl, MD's NPI number?
Austin Paul Diehl, MD's National Provider Identifier (NPI) is 1952051088, issued on Mar 23, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Austin Paul Diehl, MD located?
The NPPES record lists a practice address at 1900 N Higley Road, Gilbert, AZ, 85234. Phone: (480) 543-2034. Providers update this record themselves, so call before visiting.
How can I verify Austin Paul Diehl, MD's license?
NPPES lists Arizona license number 75927, 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 Austin Paul Diehl, MD prescribe under Medicare Part D?
In 2024, Austin Paul Diehl, MD had 545 Medicare Part D claims for 166 beneficiaries; the average among hospitalist physician prescribers was 521. 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.