Khoi M. Nguyen, RPH
Pharmacotherapy Pharmacist · El Centro, CA
Khoi M. Nguyen, RPH is a pharmacotherapy pharmacist with a practice address in El Centro, California, and NPI 1639485816, issued on Aug 25, 2010. Check the license (California 47991, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Khoi M. Nguyen
- Credential
- RPH
- Primary taxonomy
- Pharmacotherapy Pharmacist 1835P1200X
- License number
- 47991 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2030 N Imperial Ave, El Centro, CA 92243
- Phone
- (760) 353-8592
- Enumerated
- Aug 25, 2010
- Record last updated
- Aug 25, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (760) 353-8576
- Entity
- Type 1 · individual
8 nearest pharmacotherapy pharmacist records → All 605 in California → Look up another NPI →
Also registered at 2030 N Imperial Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Thompson, RPHPharmacist1598021263
Verify Khoi M. 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 47991Check 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
18 Medicare Part D claims for 18 beneficiaries, against an average of 395 among the 208 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.
Khoi M. Nguyen among 605 pharmacotherapy pharmacist records in California
Khoi M. Nguyen, RPH is one of 605 pharmacotherapy pharmacist records with a practice address in California. 10% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 52% of them.
- NPI issued2010 · 52% of these records are older, 44% newer
- In a Medicare fileYes · 10% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2010 · 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 1835P1200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pharmacotherapy Pharmacist providers in California
There are 605 pharmacotherapy pharmacist records in California.
All 605 in California → Every provider in El Centro → Pharmacotherapy Pharmacist nationwide →
The 8 pharmacotherapy pharmacist records with the nearest ZIP codes
- Hal Piwonka, PHARMDPalm Springs, CA 922621902806920
- Tiffany Samouha, PHARMDPalm Springs, CA 922621831864214
- Robert Wier, PHARM.D.Palm Springs, CA 922621396040424
- Andreas Gomarooni, PHD, PHARMDRancho Mirage, CA 922701922086156
- Jason Hindman, PHARMDRancho Mirage, CA 922701285765172
- Brian Hodgkins, PHARM.D.Rancho Mirage, CA 922701396723672
- Christine Ling, PHARMDPalm Desert, CA 922111609183821
- Lingyun LuPalm Desert, CA 922111306103536
Common questions
What is Khoi M. Nguyen, RPH's NPI number?
Khoi M. Nguyen, RPH's National Provider Identifier (NPI) is 1639485816, issued on Aug 25, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Khoi M. Nguyen, RPH located?
The NPPES record lists a practice address at 2030 N Imperial Ave, El Centro, CA, 92243. Phone: (760) 353-8592. Providers update this record themselves, so call before visiting.
How can I verify Khoi M. Nguyen, RPH's license?
NPPES lists California license number 47991, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Khoi M. Nguyen, RPH prescribe under Medicare Part D?
In 2024, Khoi M. Nguyen, RPH had 18 Medicare Part D claims for 18 beneficiaries; the average among pharmacotherapy pharmacist prescribers was 395. 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.