Registry data as of Aug 27, 2026

May Oo, PHARM.D

Pharmacist · San Francisco, CA

May Oo, PHARM.D is a pharmacist with a practice address in San Francisco, California, and NPI 1114453503, issued on May 4, 2017. Check the license 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1114453503
Name
May Oo
Credential
PHARM.D
Primary taxonomy
Pharmacist 183500000X
Practice location
1101 Market St, San Francisco, CA 94103
Phone
(415) 558-1538
Enumerated
May 4, 2017
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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Also registered at 1101 Market St

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

  1. Min Ma, PHARMDPharmacist1720626252

Verify May Oo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

1,193 pharmacist records list a San Francisco practice address

They are 1,193 of the 38,143 NPPES records with a San Francisco practice address, and 32,698 pharmacist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other pharmacist records in California

  1. Caroline A-Haja, PHARM.D.San Pedro, CA1851664361
  2. Gayatri AachiLivermore, CA1235660754
  3. Adrian Karlos Aala, PHARMD, RPHHayward, CA1023955499
  4. Mahshid Aalam, PHARMDLos Angeles, CA1659086155
  5. Jaleh AaliiveliSan Ramon, CA1336629963
  6. Cassi Aarvig, RPHTracy, CA1023679941
  7. Meara Michi AbadOrange, CA1750181178
  8. Nader Abadier, RPHFontana, CA1326255647
  9. Samia Abadier, RPHFontana, CA1548742836
  10. Sandy Abadir, RPHChino Hills, CA1811644412

Common questions

What is May Oo, PHARM.D's NPI number?

May Oo, PHARM.D's National Provider Identifier (NPI) is 1114453503, issued on May 4, 2017. An NPI identifies a provider in billing; it is not a license.

Where is May Oo, PHARM.D located?

The NPPES record lists a practice address at 1101 Market St, San Francisco, CA, 94103. Phone: (415) 558-1538. Providers update this record themselves, so call before visiting.

How can I verify May Oo, PHARM.D's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.