Isaiah R. Greenwald, DO
Student in an Organized Health Care Education/Training Program · Tucson, AZ
Isaiah R. Greenwald, DO is a student in an organized health care education/training program with a practice address in Tucson, Arizona, and NPI 1588359186, issued on Apr 10, 2023. Check the license (Arizona R4031, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Isaiah R. Greenwald
- Credential
- DO
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- License number
- R4031 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2800 E Ajo Way, Tucson, AZ 85713
- Phone
- (520) 874-7520
- Enumerated
- Apr 10, 2023
- Record last updated
- Jun 8, 2023
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 3,364 in Arizona → Look up another NPI →
Also registered at 2800 E Ajo Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sommer Aldulaimi, M.D.Family Medicine Physician1194013813
- Abdulaziz Almulhim, PHARMDPharmacist1063931194
- Beyann Alzoubi, MDPsychiatry Physician1528757887
Verify Isaiah R. Greenwald in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license R4031Check 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 student in an organized health care education/training program in 2024
28 Medicare Part D claims, against an average of 185 among the 59,748 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.
Isaiah R. Greenwald among 3,364 student in an organized health care education/training program records in Arizona
Isaiah R. Greenwald, DO is one of 3,364 student in an organized health care education/training program records with a practice address in Arizona. 23% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 26% of them.
- NPI issued2023 · 26% of these records are older, 62% newer
- In a Medicare fileYes · 23% of these records are
- In the CMS Doctors and Clinicians fileNo · 2% of these records are
- Record last updated2023 · 16% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
398 student in an organized health care education/training program records list a practice address in Tucson
They are 398 of the 18,788 NPPES records with a practice address in Tucson, and 3,364 student in an organized health care education/training program records in Arizona.
All 3,364 in Arizona → Every provider in Tucson → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Eric Hansen, M.D.Tucson, AZ 857131043503618
- Matthew Hurst, MDTucson, AZ 857131912681792
- Helene Kramer, DOTucson, AZ 857131205298429
- Cori ManningTucson, AZ 857131124830039
- Taylor NicholasTucson, AZ 857131922837616
- Sagar Shah, DOTucson, AZ 857131720728801
- Larry WongTucson, AZ 857131871159962
- Faith-Marie AllenTucson, AZ 857121487595492
Common questions
What is Isaiah R. Greenwald, DO's NPI number?
Isaiah R. Greenwald, DO's National Provider Identifier (NPI) is 1588359186, issued on Apr 10, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Isaiah R. Greenwald, DO located?
The NPPES record lists a practice address at 2800 E Ajo Way, Tucson, AZ, 85713. Phone: (520) 874-7520. Providers update this record themselves, so call before visiting.
How can I verify Isaiah R. Greenwald, DO's license?
NPPES lists Arizona license number R4031, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Isaiah R. Greenwald, DO prescribe under Medicare Part D?
In 2024, Isaiah R. Greenwald, DO had 28 Medicare Part D claims; the average among student in an organized health care education/training program prescribers was 185. 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.