Hye Sun Chi, RPH
Pharmacist · Rialto, CA
Hye Sun Chi, RPH is a pharmacist with a practice address in Rialto, California, and NPI 1184944076, issued on Jun 2, 2010. Check the license (California 46380, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hye Sun Chi
- Credential
- RPH
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 46380 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2020 N Riverside Ave, Rialto, CA 92377
- Phone
- (909) 873-2835
- Enumerated
- Jun 2, 2010
- Record last updated
- Jun 2, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 2020 N Riverside Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Geminesse Barraquias, RPHPharmacist1568938785
- Charnine Hartogh, RPHPharmacist1861719783
- Jennifer Ito, PHARM. D.Pharmacist1699144592
- Marleen Sebetich ReitsmaPharmacist1538645916
Verify Hye Sun Chi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 46380Check 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
63 Medicare Part D claims for 57 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.
- Twinrix19 claims
- Shingrix16 claims
- Arexvy14 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.
Hye Sun Chi among 32,533 pharmacist records in California
Hye Sun Chi, RPH 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 2010, is newer than 12% of them.
- NPI issued2010 · 12% of these records are older, 82% 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 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 183500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 pharmacist records list a practice address in Rialto
They are 43 of the 1,044 NPPES records with a practice address in Rialto, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Rialto → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Geminesse Barraquias, RPHRialto, CA 923771568938785
- Charnine Hartogh, RPHRialto, CA 923771861719783
- Jennifer Ito, PHARM. D.Rialto, CA 923771699144592
- Andy Pham, PHARM. D.Rialto, CA 923771215204060
- Mai-Duyen PhamRialto, CA 923771548539836
- Marleen Sebetich ReitsmaRialto, CA 923771538645916
- Sneha Chintala Cheruvu, RPHRialto, CA 923761770466732
- Alejandro CuadraRialto, CA 923761710846571
Common questions
What is Hye Sun Chi, RPH's NPI number?
Hye Sun Chi, RPH's National Provider Identifier (NPI) is 1184944076, issued on Jun 2, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Hye Sun Chi, RPH located?
The NPPES record lists a practice address at 2020 N Riverside Ave, Rialto, CA, 92377. Phone: (909) 873-2835. Providers update this record themselves, so call before visiting.
How can I verify Hye Sun Chi, RPH's license?
NPPES lists California license number 46380, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Hye Sun Chi, RPH prescribe under Medicare Part D?
In 2024, Hye Sun Chi, RPH had 63 Medicare Part D claims for 57 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.