James H. Diede, M.D.
Specialist · Phoenix, AZ
James H. Diede, M.D. is a specialist with a practice address in Phoenix, Arizona, and NPI 1679569685, issued on Sep 26, 2005. Check the license (Arizona 18915, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James H. Diede
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 18915 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 11024 N 28TH Dr, Phoenix, AZ 85029
- Phone
- (602) 863-3924
- Enumerated
- Sep 26, 2005
- Record last updated
- Mar 15, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (602) 863-3926
- Medicaid ID
- 349185 AZ
- Medicare enrollment
- Enrolled (PECOS I20041012000481); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 1988
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest specialist records → All 747 in Arizona → Look up another NPI →
Also registered at 11024 N 28TH Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Marcia Conley, M.A. L.P.C.Professional Counselor1689793887
- Michael Conley, LPCProfessional Counselor1457340044
- Kathryn EmmonsProfessional Counselor1487846523
Verify James H. Diede in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 18915Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% more Medicare Part D claims than the average specialist in 2024
1,936 Medicare Part D claims for 110 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 1,100 claims were for opioids.
Most prescribed
- Oxycodone Hcl282 claims
- Hydrocodone-Acetaminophen276 claims
- Morphine Sulfate Er147 claims
- Tramadol Hcl119 claims
- Baclofen116 claims
- Diclofenac Sodium97 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.
James H. Diede among 747 specialist records in Arizona
James H. Diede, M.D. is one of 747 specialist records with a practice address in Arizona. 25% 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, 86% newer
- In a Medicare fileYes · 25% of these records are
- In the CMS Doctors and Clinicians fileYes · 16% of these records are
- Graduated1988 · median 1992 among the 117 with a school on file
- Record last updated2018 · 83% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Arizona
There are 747 specialist records in Arizona.
All 747 in Arizona → Every provider in Phoenix → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Darlene Jackson, OTR/LPhoenix, AZ 850291639360647
- Jill Kraus, OTPhoenix, AZ 850291780677468
- Charles Altenbern, CCPPhoenix, AZ 850281053449470
- Jerry Dunker, CCPPhoenix, AZ 850281215065651
- Russell Fornator, CCPPhoenix, AZ 850281033247481
- R Grace, MDPhoenix, AZ 850281598740995
- Robert Harrison, CCPPhoenix, AZ 850281659409001
- Vicki Larson, CCPPhoenix, AZ 850281902934342
Common questions
What is James H. Diede, M.D.'s NPI number?
James H. Diede, M.D.'s National Provider Identifier (NPI) is 1679569685, issued on Sep 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James H. Diede, M.D. located?
The NPPES record lists a practice address at 11024 N 28TH Dr, Phoenix, AZ, 85029. Phone: (602) 863-3924. Providers update this record themselves, so call before visiting.
How can I verify James H. Diede, M.D.'s license?
NPPES lists Arizona license number 18915, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does James H. Diede, M.D. prescribe under Medicare Part D?
In 2024, James H. Diede, M.D. had 1,936 Medicare Part D claims for 110 beneficiaries; the average among specialist prescribers was 1,380. 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.