Peter K. Nguyen, PHARMD
Pharmacist · Valley Center, CA
Peter K. Nguyen, PHARMD is a pharmacist with a practice address in Valley Center, California, and NPI 1417239203, issued on Sep 16, 2011. Check the license (California 55301, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Peter K. Nguyen
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 55301 CA
Self-reported in NPPES; status is on the state search - Practice location
- 29105 Valley Center RD Ste 100, Valley Center, CA 92082
- Phone
- (760) 749-1156
- Enumerated
- Sep 16, 2011
- Record last updated
- Jun 22, 2023
- Fax
- (760) 749-1921
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Verify Peter K. Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 55301Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs
23 Medicare Part D claims for 20 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Abrysvo11 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.
Peter K. Nguyen among 32,533 pharmacist records in California
Peter K. Nguyen, PHARMD is one of 32,533 pharmacist records with a practice address in California. 15% 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 18% of them.
- NPI issued2011 · 18% of these records are older, 72% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2023 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 pharmacist records list a practice address in Valley Center
They are 6 of the 126 NPPES records with a practice address in Valley Center, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Valley Center → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- William Jung, PHARM.D.Valley Center, CA 920821528802865
- Roya Mostaan, RPHValley Center, CA 920821346986536
- Sahar Naz, PHARMDValley Center, CA 920821770416232
- Ashley Nunez, PHARMDValley Center, CA 920821235957630
- Lilly Tjitro, RPHValley Center, CA 920821386577849
- Patricia Aguilera, PHARM.D.Vista, CA 920811255703658
- Heidi Cevallos, PHARMDVista, CA 920811154798908
- Rodney Chin, PHARM.D.Vista, CA 920831700056157
Common questions
What is Peter K. Nguyen, PHARMD's NPI number?
Peter K. Nguyen, PHARMD's National Provider Identifier (NPI) is 1417239203, issued on Sep 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Peter K. Nguyen, PHARMD located?
The NPPES record lists a practice address at 29105 Valley Center RD Ste 100, Valley Center, CA, 92082. Phone: (760) 749-1156. Providers update this record themselves, so call before visiting.
How can I verify Peter K. Nguyen, PHARMD's license?
NPPES lists California license number 55301, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Peter K. Nguyen, PHARMD prescribe under Medicare Part D?
In 2024, Peter K. Nguyen, PHARMD had 23 Medicare Part D claims for 20 beneficiaries; the average among pharmacist prescribers was 119. 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.