NPPES file of Aug 9, 2026

Kenneth Ouyang, PHARMD

Pharmacist · San Francisco, CA

Kenneth Ouyang, PHARMD is a pharmacist with a practice address in San Francisco, California, and NPI 1023725165, issued on Oct 28, 2022. Check the license (California 87016, 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
1023725165
Name
Kenneth Ouyang
Credential
PHARMD
Primary taxonomy
Pharmacist 183500000X
License number
87016 CA
Self-reported in NPPES; status is on the state search
Practice location
1335 Webster St, San Francisco, CA 94115
Phone
(415) 921-4557
Enumerated
Oct 28, 2022
Record last updated
Nov 9, 2022
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

Also registered at 1335 Webster St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael CampbellPharmacy Technician1205054426
  2. My Hanh Huynh, PHARM.D.Pharmacist1134464415
  3. Amy LiuPharmacist1740561414
  4. Gene Nagase, B.S.Pharmacist1750506903
  5. Shuyi Zhao, PHARM.D.Pharmacist1972803260

Verify Kenneth Ouyang 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 87016
    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.

Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs

76 Medicare Part D claims for 70 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. Kenneth Ouyang76
  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. Arexvy35 claims
  2. Shingrix23 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.

Kenneth Ouyang among 32,533 pharmacist records in California

Kenneth Ouyang, PHARMD 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 2022, is newer than 84% of them.

  • NPI issued2022 · 84% of these records are older, 12% 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).

1,180 pharmacist records list a practice address in San Francisco

They are 1,180 of the 38,143 NPPES records with a practice address in San Francisco, and 32,533 pharmacist records in California.

The 8 pharmacist records with the nearest ZIP codes

  1. Jorge Abaunza, PHARM D.San Francisco, CA 941151457400046
  2. Shannon Cho, PHARM.D.San Francisco, CA 941151336216001
  3. Ivan Ho, PHARM.D.San Francisco, CA 941151417016353
  4. Linda Huang, PHARM.D.San Francisco, CA 941151538234927
  5. Lyubov Levin, PHARMD.San Francisco, CA 941151124110622
  6. Julie Lim, PHARM.D.San Francisco, CA 941151538258686
  7. Sherri Moazi, RPHSan Francisco, CA 941151396813713
  8. Marianne Nilsson, RPHSan Francisco, CA 941151942350368

Common questions

What is Kenneth Ouyang, PHARMD's NPI number?

Kenneth Ouyang, PHARMD's National Provider Identifier (NPI) is 1023725165, issued on Oct 28, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Kenneth Ouyang, PHARMD located?

The NPPES record lists a practice address at 1335 Webster St, San Francisco, CA, 94115. Phone: (415) 921-4557. Providers update this record themselves, so call before visiting.

How can I verify Kenneth Ouyang, PHARMD's license?

NPPES lists California license number 87016, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Kenneth Ouyang, PHARMD prescribe under Medicare Part D?

In 2024, Kenneth Ouyang, PHARMD had 76 Medicare Part D claims for 70 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.