Peter Nguyen, DO
Family Medicine Physician · La Palma, CA
Peter Nguyen, DO is a family medicine physician with a practice address in La Palma, California, and NPI 1528520301, issued on Apr 2, 2019. Check the license (California 19796, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Peter Nguyen
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 19796 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5 Centerpointe Dr, La Palma, CA 90623
- Phone
- (714) 562-3420
- Enumerated
- Apr 2, 2019
- Record last updated
- Jun 29, 2022
- Medicare enrollment
- Enrolled (PECOS I20221116003057); 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 5 Centerpointe Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Valerie Babisky, NPPsychiatric/Mental Health Nurse Practitioner1992927008
- Steve BuiPharmacist1578001814
- Monica Casoliva, MDFamily Medicine Physician1730495110
- Se Young Cho, MDFamily Medicine Physician1538796222
- Suman Chopra, MDFamily Medicine Physician1407968662
- Tony Do, DOFamily Medicine Physician1942387956
Verify Peter Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 19796Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average family medicine physician in 2024
3,002 Medicare Part D claims for 438 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 102 claims were for opioids.
Most prescribed
- Atorvastatin Calcium289 claims
- Amlodipine Besylate153 claims
- Lisinopril122 claims
- Losartan Potassium119 claims
- Levothyroxine Sodium87 claims
- Metformin Hcl Er87 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 GroupLa Palma, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter Nguyen among 17,133 family medicine physician records in California
Peter Nguyen, DO 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 2019, is newer than 85% of them.
- NPI issued2019 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2019 · median 2005 among the 10,652 with a school on file
- Record last updated2022 · 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).
17 family medicine physician records list a practice address in La Palma
They are 17 of the 593 NPPES records with a practice address in La Palma, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in La Palma → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Monica Casoliva, MDLa Palma, CA 906231730495110
- Terry Chan, MDLa Palma, CA 906231336349216
- Suman Chopra, MDLa Palma, CA 906231407968662
- Virendra Desai, M.D.La Palma, CA 906231962518357
- Tony Do, DOLa Palma, CA 906231942387956
- Terrisa HaLa Palma, CA 906231083675516
- John Lee, D.OLa Palma, CA 906231962464115
- Nasrin Lopa, M.D.La Palma, CA 906231982750014
Common questions
What is Peter Nguyen, DO's NPI number?
Peter Nguyen, DO's National Provider Identifier (NPI) is 1528520301, issued on Apr 2, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Peter Nguyen, DO located?
The NPPES record lists a practice address at 5 Centerpointe Dr, La Palma, CA, 90623. Phone: (714) 562-3420. Providers update this record themselves, so call before visiting.
How can I verify Peter Nguyen, DO's license?
NPPES lists California license number 19796, 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 Peter Nguyen, DO prescribe under Medicare Part D?
In 2024, Peter Nguyen, DO had 3,002 Medicare Part D claims for 438 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.