Luc Nguyen, M.D.
Internal Medicine Physician · Westminster, CA
Luc Nguyen, M.D. is an internal medicine physician with a practice address in Westminster, California, and NPI 1720083181, issued on Jun 14, 2005. Check the license (California G66417, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Luc Nguyen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G66417 CA
Self-reported in NPPES; status is on the state search - Practice location
- 14571 Magnolia St, Westminster, CA 92683
- Phone
- (714) 438-0082
- Enumerated
- Jun 14, 2005
- Entity
- Type 1 · individual
Also registered at 14571 Magnolia St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nghiem Dang, M.D.Surgery Physician1891759486
- Kevin Ho, DPMFoot & Ankle Surgery Podiatrist1285815472
- Arthur Lu, MDOphthalmology Physician1659434546
- Loan Ngo, M.D.Internal Medicine Physician1386696144
- Huy Nguyen, MDPediatrics Physician1144378050
- Joseph Nguyen, D.O.Family Medicine Physician1952600850
Verify Luc Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G66417Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
18% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,270 Medicare Part D claims for 177 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D.
Most prescribed
- Metoprolol Succinate275 claims
- Amlodipine Besylate249 claims
- Isosorbide Mononitrate Er207 claims
- Losartan Potassium164 claims
- Amiodarone Hcl135 claims
- Clopidogrel135 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.
47 internal medicine physician records list a Westminster practice address
They are 47 of the 1,306 NPPES records with a Westminster practice address, and 20,403 internal medicine physician records in California.
All 47 in Westminster → All 20,403 in California → Every provider in Westminster →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Luc Nguyen, M.D.'s NPI number?
Luc Nguyen, M.D.'s National Provider Identifier (NPI) is 1720083181, issued on Jun 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Luc Nguyen, M.D. located?
The NPPES record lists a practice address at 14571 Magnolia St, Westminster, CA, 92683. Phone: (714) 438-0082. Providers update this record themselves, so call before visiting.
How can I verify Luc Nguyen, M.D.'s license?
NPPES lists California license number G66417, 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 Luc Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Luc Nguyen, M.D. had 2,270 Medicare Part D claims for 177 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.