Joseph M. Nguyen, D.O.
Family Medicine Physician · Modesto, CA
Joseph M. Nguyen, D.O. is a family medicine physician with a practice address in Modesto, California, and NPI 1699796227, issued on Jul 21, 2006. Check the license (California 20A8475, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph M. Nguyen
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A8475 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3340 Tully RD, Modesto, CA 95350
- Phone
- (209) 524-8700
- Enumerated
- Jul 21, 2006
- Record last updated
- Sep 24, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (209) 524-8701
- Medicaid ID
- AT836Y CA
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 3340 Tully RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nancy Creech, M.S.Marriage & Family Therapist1467676783
- Stewart Quisling, M.D.Child & Adolescent Psychiatry Physician1609987510
Verify Joseph M. Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A8475Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
24 Medicare Part D claims for 13 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Joseph M. Nguyen among 17,133 family medicine physician records in California
Joseph M. Nguyen, D.O. is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2013 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
173 family medicine physician records list a practice address in Modesto
They are 173 of the 9,262 NPPES records with a practice address in Modesto, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Modesto → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Eunice Baluyot, MDModesto, CA 953501306828868
- Bradley Blankenship, M.D.Modesto, CA 953501619923810
- Robert Chin, M.D.Modesto, CA 953501508812314
- Juan Del Valle, MDModesto, CA 953501740262229
- Robert Forester, M.D.Modesto, CA 953501619904273
- Otashe Golden, M.D.Modesto, CA 953501508891797
- Richard Heck, M.D.Modesto, CA 953501821034000
- Lisa Hunt, D.O.Modesto, CA 953501467408674
Common questions
What is Joseph M. Nguyen, D.O.'s NPI number?
Joseph M. Nguyen, D.O.'s National Provider Identifier (NPI) is 1699796227, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph M. Nguyen, D.O. located?
The NPPES record lists a practice address at 3340 Tully RD, Modesto, CA, 95350. Phone: (209) 524-8700. Providers update this record themselves, so call before visiting.
How can I verify Joseph M. Nguyen, D.O.'s license?
NPPES lists California license number 20A8475, 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 Joseph M. Nguyen, D.O. prescribe under Medicare Part D?
In 2024, Joseph M. Nguyen, D.O. had 24 Medicare Part D claims for 13 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.