Betty H. Nguyen, D.O.
Family Medicine Physician · Westminster, CA
Betty H. Nguyen, D.O. is a family medicine physician with a practice address in Westminster, California, and NPI 1679741854, issued on Feb 11, 2008. Check the license (California 20A9784, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Betty H. Nguyen
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A9784 CA
Self-reported in NPPES; status is on the state search - Practice location
- 21 Sunset Cir, Westminster, CA 92683
- Phone
- (717) 898-5295
- Enumerated
- Feb 11, 2008
- Record last updated
- Dec 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20081205000234); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Betty H. Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A9784Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% more Medicare Part D claims than the average family medicine physician in 2024
4,529 Medicare Part D claims for 611 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 114 claims were for opioids.
Most prescribed
- Atorvastatin Calcium418 claims
- Amlodipine Besylate244 claims
- Levothyroxine Sodium230 claims
- Rosuvastatin Calcium203 claims
- Lisinopril177 claims
- Losartan Potassium153 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
- Southern California Permanente Medical GroupSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Betty H. Nguyen among 17,133 family medicine physician records in California
Betty H. 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 2008, is newer than 53% of them.
- NPI issued2008 · 53% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2005 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 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 Betty H. Nguyen, D.O.'s NPI number?
Betty H. Nguyen, D.O.'s National Provider Identifier (NPI) is 1679741854, issued on Feb 11, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Betty H. Nguyen, D.O. located?
The NPPES record lists a practice address at 21 Sunset Cir, Westminster, CA, 92683. Phone: (717) 898-5295. Providers update this record themselves, so call before visiting.
How can I verify Betty H. Nguyen, D.O.'s license?
NPPES lists California license number 20A9784, 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 Betty H. Nguyen, D.O. prescribe under Medicare Part D?
In 2024, Betty H. Nguyen, D.O. had 4,529 Medicare Part D claims for 611 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.