NPPES file of Aug 9, 2026

Michael Sehyun Park

Pharmacist · Ontario, CA

Michael Sehyun Park is a pharmacist with a practice address in Ontario, California, and NPI 1902393390, issued on Apr 20, 2018. Check the license (California 73131, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902393390
Name
Michael Sehyun Park
Primary taxonomy
Pharmacist 183500000X
License number
73131 CA
Self-reported in NPPES; status is on the state search
Practice location
2920 Inland Empire Blvd Ste 112, Ontario, CA 91764
Phone
(909) 291-3800
Enumerated
Apr 20, 2018
Record last updated
Apr 20, 2018 (not updated in 8 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Verify Michael Sehyun Park in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 73131
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Michael Sehyun Park among 32,533 pharmacist records in California

Michael Sehyun Park 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 not. Its NPI, issued in 2018, is newer than 61% of them.

  • NPI issued2018 · 61% of these records are older, 33% newer
  • In a Medicare fileNo · 15% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2018 · 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).

88 pharmacist records list a practice address in Ontario

They are 88 of the 5,375 NPPES records with a practice address in Ontario, and 32,533 pharmacist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 pharmacist records with the nearest ZIP codes

  1. Yohannes Abraham, PHARM.DOntario, CA 917641518407287
  2. Marie BuzaOntario, CA 917641639587322
  3. Joanne Kuo, PHARMDOntario, CA 917641679868574
  4. Vickie Le, PHARMDOntario, CA 917641497956221
  5. Allan Manio, PHARMDOntario, CA 917641538519780
  6. Hector Mendoza, PHARM.D.Ontario, CA 917641942678503
  7. Dien Nguyen, RPHOntario, CA 917641962719179
  8. Hubert Pang, RPHOntario, CA 917641285951202

Common questions

What is Michael Sehyun Park's NPI number?

Michael Sehyun Park's National Provider Identifier (NPI) is 1902393390, issued on Apr 20, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Michael Sehyun Park located?

The NPPES record lists a practice address at 2920 Inland Empire Blvd Ste 112, Ontario, CA, 91764. Phone: (909) 291-3800. Providers update this record themselves, so call before visiting.

How can I verify Michael Sehyun Park's license?

NPPES lists California license number 73131, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.