NPPES file of Aug 9, 2026

Nguyen Tu Doan, M.D.

Internal Medicine Physician · Riverside, CA

Nguyen Tu Doan, M.D. is an internal medicine physician with a practice address in Riverside, California, and NPI 1538547302, issued on May 13, 2015. Check the license (California A148066, as entered in NPPES) on the Medical Board of California; 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
1538547302
Name
Nguyen Tu Doan
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A148066 CA
Self-reported in NPPES; status is on the state search
Practice location
2608 School OF Medicine Education Building, Riverside, CA 92521
Phone
(951) 827-7669
Enumerated
May 13, 2015
Record last updated
Mar 19, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180730001820); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Human Medicine, 2015
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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Verify Nguyen Tu Doan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A148066
    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 California license search

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94% fewer Medicare Part D claims than the average internal medicine physician in 2024

195 Medicare Part D claims for 79 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Nguyen Doan195
  2. Specialty average3,176

Most prescribed

  1. Furosemide17 claims
  2. Cefazolin Sodium12 claims
  3. Levofloxacin11 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.

Industry payments in 2024: $143.98

5 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nguyen Doan$143.98
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Inpatient Specialists OF California PCSan Bernardino, CA

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

Nguyen Tu Doan among 17,696 internal medicine physician records in California

Nguyen Tu Doan, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 76% of them.

  • NPI issued2015 · 76% of these records are older, 21% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2015 · median 2004 among the 11,065 with a school on file
  • Record last updated2019 · 61% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

187 internal medicine physician records list a practice address in Riverside

They are 187 of the 13,893 NPPES records with a practice address in Riverside, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Javier Barranco-Trabi, MDRiverside, CA 925211154959013
  2. Ahmad Saleh, D.O.Riverside, CA 925211356874648
  3. Estevan Torrez Andia, MDRiverside, CA 925211760845465
  4. Eric Tran, DORiverside, CA 925211033748074
  5. Evan BasicalRiverside, CA 925181164165031
  6. Caleb BondsRiverside, CA 925181649809112
  7. Deborah Fung, M.D.Riverside, CA 925181033572110
  8. Jennifer Ngo, DOMarch Air Reserve Base, CA 925181588160253

Common questions

What is Nguyen Tu Doan, M.D.'s NPI number?

Nguyen Tu Doan, M.D.'s National Provider Identifier (NPI) is 1538547302, issued on May 13, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Nguyen Tu Doan, M.D. located?

The NPPES record lists a practice address at 2608 School OF Medicine Education Building, Riverside, CA, 92521. Phone: (951) 827-7669. Providers update this record themselves, so call before visiting.

How can I verify Nguyen Tu Doan, M.D.'s license?

NPPES lists California license number A148066, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nguyen Tu Doan, M.D. prescribe under Medicare Part D?

In 2024, Nguyen Tu Doan, M.D. had 195 Medicare Part D claims for 79 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.