NPPES file of Aug 9, 2026

Will Yun

Pharmacist · Norco, CA

Will Yun is a pharmacist with a practice address in Norco, California, and NPI 1013128891, issued on May 24, 2007. Check the license (California 49358, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013128891
Name
Will Yun
Primary taxonomy
Pharmacist 183500000X
License number
49358 CA
Self-reported in NPPES; status is on the state search
Practice location
1325 Sixth St, Norco, CA 92860
Phone
(951) 549-8586
Enumerated
May 24, 2007
Record last updated
Jul 8, 2007 (not updated in 19 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.
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Verify Will Yun 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 49358
    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
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Most of these Medicare Part D claims are vaccines, 93% of the cost of the top drugs

92 Medicare Part D claims for 86 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.

  1. Will Yun92
  2. Specialty average119

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.

  1. Arexvy30 claims
  2. Shingrix23 claims
  3. Boostrix Tdap20 claims
  4. Abrysvo13 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.

Will Yun among 32,533 pharmacist records in California

Will Yun 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 2007, is newer than 6% of them.

  • NPI issued2007 · 6% of these records are older, 91% 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 updated2007 · 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).

18 pharmacist records list a practice address in Norco

They are 18 of the 410 NPPES records with a practice address in Norco, and 32,533 pharmacist records in California.

The 8 pharmacist records with the nearest ZIP codes

  1. Jalpa AminNorco, CA 928601306122015
  2. Mahadev Bhatt, RPHNorco, CA 928601427333954
  3. Maryam Heidary NezhadNorco, CA 928601649513920
  4. Charles KohNorco, CA 928601083983761
  5. Lawrence Kwok, BSNorco, CA 928601386963197
  6. Sarah Le, PHARM.DNorco, CA 928601841560422
  7. Alan LuuNorco, CA 928601952688863
  8. Linda Mai, PHARMDNorco, CA 928601164716932

Common questions

What is Will Yun's NPI number?

Will Yun's National Provider Identifier (NPI) is 1013128891, issued on May 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Will Yun located?

The NPPES record lists a practice address at 1325 Sixth St, Norco, CA, 92860. Phone: (951) 549-8586. Providers update this record themselves, so call before visiting.

How can I verify Will Yun's license?

NPPES lists California license number 49358, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Will Yun prescribe under Medicare Part D?

In 2024, Will Yun had 92 Medicare Part D claims for 86 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.