NPPES file of Aug 9, 2026

Christopher Ong

Pharmacist · San Francisco, CA

Christopher Ong is a pharmacist with a practice address in San Francisco, California, and NPI 1669989315, issued on Jan 3, 2018. Check the license (California 76554, 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
1669989315
Name
Christopher Ong
Primary taxonomy
Pharmacist 183500000X
License number
76554 CA
Self-reported in NPPES; status is on the state search
Practice location
1189 Potrero Ave, San Francisco, CA 94110
Phone
(415) 647-1397
Enumerated
Jan 3, 2018
Record last updated
Jan 3, 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.
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8 nearest pharmacist records → All 32,533 in California → Look up another NPI →

Also registered at 1189 Potrero Ave

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

  1. Nicholas Checket, PHARM.D.Pharmacist1285952457
  2. Yin Htaik, PHARMDPharmacist1538518030
  3. Wilson KwokPharmacist1114337045
  4. John Pham, PHARMDPharmacist1134636624
  5. Catherine Selim, CERTIFIED PHARMACISTPharmacist1558878215
  6. Gerald Toy, PHARM.D.Pharmacist1063844983

Verify Christopher Ong 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 76554    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.

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Christopher Ong among 32,533 pharmacist records in California

Christopher Ong 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).

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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 32,533 in California → Every provider in San Francisco → Pharmacist nationwide →

The 8 pharmacist records with the nearest ZIP codes

  1. Mitchell Andrews, RPHSan Francisco, CA 941101316041882
  2. Christie Biggins, PHDSan Francisco, CA 941101003102328
  3. Nicholas Checket, PHARM.D.San Francisco, CA 941101285952457
  4. Stephen Echaves, PHARM.D.San Francisco, CA 941101750393351
  5. Lisa Englert, PHARMDSan Francisco, CA 941101770681801
  6. Linda Hui, PHARMDSan Francisco, CA 941101912205147
  7. Sharonlee Kotabe, PHARMDSan Francisco, CA 941101427135870
  8. Rita Lam, PHARMDSan Francisco, CA 941101710166814

Common questions

What is Christopher Ong's NPI number?

Christopher Ong's National Provider Identifier (NPI) is 1669989315, issued on Jan 3, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Ong located?

The NPPES record lists a practice address at 1189 Potrero Ave, San Francisco, CA, 94110. Phone: (415) 647-1397. Providers update this record themselves, so call before visiting.

How can I verify Christopher Ong's license?

NPPES lists California license number 76554, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.