Vien X. Bui, PHARM.D.
Pharmacist · San Bernardino, CA
Vien X. Bui, PHARM.D. is a pharmacist with a practice address in San Bernardino, California, and NPI 1124313168, issued on Jun 17, 2011. Check the license (California 65172, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Vien X. Bui
- Credential
- PHARM.D.
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 65172 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1634 E Highland Ave, San Bernardino, CA 92404
- Phone
- (909) 882-2836
- Enumerated
- Jun 17, 2011
- Record last updated
- Jul 14, 2022
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 1634 E Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sulman Chaudhry, PHARMDPharmacist1780957704
- Sun ChungPharmacist1457613465
- Elizabeth GuerreroPharmacist1821868928
- Randall Knight, RPHPharmacist1023393725
- Epifania MacaraegPharmacist1841569258
- Maria MikhailPharmacist1720899198
Verify Vien X. Bui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 65172Check 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
29 Medicare Part D claims for 23 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.
- Shingrix16 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.
Vien X. Bui among 32,533 pharmacist records in California
Vien X. Bui, PHARM.D. 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 updated2022 · 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).
120 pharmacist records list a practice address in San Bernardino
They are 120 of the 5,645 NPPES records with a practice address in San Bernardino, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in San Bernardino → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Jonathan Aguilo, PHARMDSan Bernardino, CA 924041699048363
- Denise Cao, PHARM.DSan Bernardino, CA 924041184941932
- Sulman Chaudhry, PHARMDSan Bernardino, CA 924041780957704
- Sun ChungSan Bernardino, CA 924041457613465
- Dennis Ho, PHARMDSan Bernardino, CA 924041427172600
- Randall Knight, RPHSan Bernardino, CA 924041023393725
- Epifania MacaraegSan Bernardino, CA 924041841569258
- Stanley Morisoli, RPHSan Bernardino, CA 924041922185032
Common questions
What is Vien X. Bui, PHARM.D.'s NPI number?
Vien X. Bui, PHARM.D.'s National Provider Identifier (NPI) is 1124313168, issued on Jun 17, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Vien X. Bui, PHARM.D. located?
The NPPES record lists a practice address at 1634 E Highland Ave, San Bernardino, CA, 92404. Phone: (909) 882-2836. Providers update this record themselves, so call before visiting.
How can I verify Vien X. Bui, PHARM.D.'s license?
NPPES lists California license number 65172, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Vien X. Bui, PHARM.D. prescribe under Medicare Part D?
In 2024, Vien X. Bui, PHARM.D. had 29 Medicare Part D claims for 23 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.