Joseph Nguyen, D.O.
Family Medicine Physician · Westminster, CA
Joseph Nguyen, D.O. is a family medicine physician with a practice address in Westminster, California, and NPI 1952600850, issued on Mar 18, 2011. Check the license (California 20A 11005, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph Nguyen
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A 11005 CA
Self-reported in NPPES; status is on the state search - Practice location
- 14571 Magnolia St, Westminster, CA 92683
- Phone
- (714) 892-1313
- Enumerated
- Mar 18, 2011
- Record last updated
- Apr 17, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (714) 891-8799
- Medicare enrollment
- Enrolled (PECOS I20120725000767); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 14571 Magnolia St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Huy Nguyen, MDPediatrics Physician1144378050
- Luc Nguyen, M.D.Cardiovascular Disease Physician1720083181
Verify Joseph Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A 11005Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% more Medicare Part D claims than the average family medicine physician in 2024
5,257 Medicare Part D claims for 291 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Atorvastatin Calcium493 claims
- Amlodipine Besylate431 claims
- Losartan Potassium301 claims
- Metformin Hcl233 claims
- Pantoprazole Sodium215 claims
- Fluticasone Propionate117 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: $87.16
4 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Joseph Nguyen among 17,133 family medicine physician records in California
Joseph 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 2011, is newer than 63% of them.
- NPI issued2011 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2008 · median 2005 among the 10,652 with a school on file
- Record last updated2014 · 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).
37 family medicine physician records list a practice address in Westminster
They are 37 of the 1,306 NPPES records with a practice address in Westminster, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Westminster → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Thuy Bui, MDWestminster, CA 926831619990587
- Chung Bui, M.D.Westminster, CA 926831427143072
- Dinh Dinh, DOWestminster, CA 926831972600856
- Jason Hart, M.D.Westminster, CA 926831780614602
- Jamie Lewis, M.D.Westminster, CA 926831073584173
- Diane Nguyen, MDWestminster, CA 926831225065428
- Gary Ohashi, M.D.Westminster, CA 926831417928516
- Trung Pham, M.D.Westminster, CA 926831851355101
Common questions
What is Joseph Nguyen, D.O.'s NPI number?
Joseph Nguyen, D.O.'s National Provider Identifier (NPI) is 1952600850, issued on Mar 18, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Nguyen, D.O. located?
The NPPES record lists a practice address at 14571 Magnolia St, Westminster, CA, 92683. Phone: (714) 892-1313. Providers update this record themselves, so call before visiting.
How can I verify Joseph Nguyen, D.O.'s license?
NPPES lists California license number 20A 11005, 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 Nguyen, D.O. prescribe under Medicare Part D?
In 2024, Joseph Nguyen, D.O. had 5,257 Medicare Part D claims for 291 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.