NPPES file of Aug 9, 2026

Arjuna Dharmaraja

Internal Medicine Physician · Oro Valley, AZ

Arjuna Dharmaraja is an internal medicine physician with a practice address in Oro Valley, Arizona, and NPI 1649730888, issued on Mar 22, 2019. Check the license (Arizona 79947, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1649730888
Name
Arjuna Dharmaraja
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
79947 AZ
A176861 CA
Self-reported in NPPES; status is on the state search
Practice location
1551 E Tangerine RD, Oro Valley, AZ 85755
Phone
(520) 901-3500
Enumerated
Mar 22, 2019
Record last updated
May 5, 2026
Medicare enrollment
Enrolled (PECOS I20220830002306); accepts Medicare assignment
Medical or professional school
University Of Miami, Lm Miller School Of Medicine, 2019
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1551 E Tangerine RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Paul Affleck, MDAnesthesiology Physician1902986078
  2. Osei Akoto, OTR/LOccupational Therapist1689193179
  3. Moriah Amaya, RNMedical-Surgical Registered Nurse1437668316
  4. John Arraf, MDAnesthesiology Physician1972276897
  5. Nicholas Barrett, P.A.Physician Assistant1326304239
  6. Taryn Bell, RRTRegistered Respiratory Therapist1326680356

Verify Arjuna Dharmaraja in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 79947
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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93% fewer Medicare Part D claims than the average internal medicine physician in 2024

217 Medicare Part D claims for 85 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 16 claims were for opioids.

  1. Arjuna Dharmaraja217
  2. Specialty average3,176

Most prescribed

  1. Eliquis14 claims
  2. Atorvastatin Calcium13 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 one group practice

  1. Providence Medical InstituteTorrance, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Arjuna Dharmaraja among 2,853 internal medicine physician records in Arizona

Arjuna Dharmaraja 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 2019, is newer than 79% of them.

  • NPI issued2019 · 79% of these records are older, 19% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2019 · median 2003 among the 1,643 with a school on file
  • Record last updated2026 · 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).

14 internal medicine physician records list a practice address in Oro Valley

They are 14 of the 542 NPPES records with a practice address in Oro Valley, and 2,853 internal medicine physician records in Arizona.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Christopher Baldwin, MDTucson, AZ 857551033159074
  2. Dylan Doss, D.O.Oro Valley, AZ 857551609308006
  3. Pamela Dowell, MDOro Valley, AZ 857551326059239
  4. Ross Henderson, M.D.Oro Valley, AZ 857551740698414
  5. Clarence Hindman, M.D.Oro Valley, AZ 857551003148990
  6. Robert Irwin, MDOro Valley, AZ 857551215948039
  7. Greggory MixOro Valley, AZ 857551780614743
  8. Benjamin Sarsah, MDOro Valley, AZ 857551144483132

Common questions

What is Arjuna Dharmaraja's NPI number?

Arjuna Dharmaraja's National Provider Identifier (NPI) is 1649730888, issued on Mar 22, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Arjuna Dharmaraja located?

The NPPES record lists a practice address at 1551 E Tangerine RD, Oro Valley, AZ, 85755. Phone: (520) 901-3500. Providers update this record themselves, so call before visiting.

How can I verify Arjuna Dharmaraja's license?

NPPES lists Arizona license number 79947, 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 Arjuna Dharmaraja prescribe under Medicare Part D?

In 2024, Arjuna Dharmaraja had 217 Medicare Part D claims for 85 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.