Mahesh R. Subbu, M.D.
Internal Medicine Physician · Yuma, AZ
Mahesh R. Subbu, M.D. is an internal medicine physician with a practice address in Yuma, Arizona, and NPI 1790892016, issued on Aug 23, 2006. Check the license (Arizona 33028, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mahesh R. Subbu
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 33028 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2851 S Avenue B Ste 1201, Yuma, AZ 85364
- Phone
- (928) 329-7000
- Enumerated
- Aug 23, 2006
- Record last updated
- Jul 21, 2022
- Fax
- (928) 329-9303
- Medicaid ID
- 891855 AZ
- Medicare enrollment
- Enrolled (PECOS I20230227000867); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Verify Mahesh R. Subbu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 33028Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average internal medicine physician in 2024
666 Medicare Part D claims for 77 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Lisinopril51 claims
- Atorvastatin Calcium48 claims
- Albuterol Sulfate Hfa30 claims
- Gabapentin30 claims
- Metformin Hcl27 claims
- Amlodipine Besylate26 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): 87 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).
Bills Medicare through one group practice
- Gila River Health Care CorporationSacaton, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mahesh R. Subbu among 2,853 internal medicine physician records in Arizona
Mahesh R. Subbu, M.D. is one of 2,853 internal 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 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1996 · median 2003 among the 1,643 with a school on file
- Record last updated2022 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
46 internal medicine physician records list a practice address in Yuma
They are 46 of the 1,821 NPPES records with a practice address in Yuma, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Yuma → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Rinely Aguiar-Olsen, M.D.Yuma, AZ 853641891786141
- Vishnu Bezwada, MBBSYuma, AZ 853641730178922
- Tapash Das, M.D.Yuma, AZ 853641538184072
- Renellie Debelen-Gonzales, MDYuma, AZ 853641194780627
- Rodolfo Gonzales, MDYuma, AZ 853641174587364
- Adrienne Gutierrez, MDYuma, AZ 853641346286457
- Adarsh Luthra, M.D.Yuma, AZ 853641821086877
- Bharat Magu, MDYuma, AZ 853641447245352
Common questions
What is Mahesh R. Subbu, M.D.'s NPI number?
Mahesh R. Subbu, M.D.'s National Provider Identifier (NPI) is 1790892016, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mahesh R. Subbu, M.D. located?
The NPPES record lists a practice address at 2851 S Avenue B Ste 1201, Yuma, AZ, 85364. Phone: (928) 329-7000. Providers update this record themselves, so call before visiting.
How can I verify Mahesh R. Subbu, M.D.'s license?
NPPES lists Arizona license number 33028, 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 Mahesh R. Subbu, M.D. prescribe under Medicare Part D?
In 2024, Mahesh R. Subbu, M.D. had 666 Medicare Part D claims for 77 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Mahesh R. Subbu, M.D.'s MIPS final score?
The 2023 MIPS final score is 87 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.