NPPES file of Aug 9, 2026

Kathy Ou, PHARM.D

Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Diamond Bar, CA

Kathy Ou, PHARM.D is a pharmacist clinician (phc)/ clinical pharmacy specialist with a practice address in Diamond Bar, California, and NPI 1366887416, issued on May 2, 2013. Check the license (California 62690, 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
1366887416
Name
Kathy Ou
Credential
PHARM.D
Primary taxonomy
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist 1835P0018X
License number
62690 CA
Self-reported in NPPES; status is on the state search
Practice location
2707 S Diamond Bar Blvd, Diamond Bar, CA 91765
Phone
(909) 594-8331
Enumerated
May 2, 2013
Record last updated
Oct 2, 2013 (not updated in 13 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 clinician (phc)/ clinical pharmacy specialist records → All 1,593 in California → Look up another NPI →

Also registered at 2707 S Diamond Bar Blvd

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

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Verify Kathy Ou 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 62690    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

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Kathy Ou among 1,593 pharmacist clinician (phc)/ clinical pharmacy specialist records in California

Kathy Ou, PHARM.D is one of 1,593 pharmacist clinician (phc)/ clinical pharmacy specialist records with a practice address in California. 17% 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 2013, is newer than 35% of them.

  • NPI issued2013 · 35% of these records are older, 59% newer
  • In a Medicare fileNo · 17% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2013 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1835P0018X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist providers in California

There are 1,593 pharmacist clinician (phc)/ clinical pharmacy specialist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,593 in California → Every provider in Diamond Bar → Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist nationwide →

The 8 pharmacist clinician (phc)/ clinical pharmacy specialist records with the nearest ZIP codes

  1. Rebecca Mak, PHARM. DDiamond Bar, CA 917651871813428
  2. Afifa SolimanDiamond Bar, CA 917651194043422
  3. Naomi Banh, PHARMDPomona, CA 917661598484412
  4. Sara Izadi, PHARM.D.Ontario, CA 917641700140050
  5. Doreen Pon, PHARMDPomona, CA 917661801257233
  6. Kim Ta, PHARMDOntario, CA 917641023898087
  7. Genevieve Cheung, PHARMDPomona, CA 917671306490453
  8. Priyanka Desai, PHARM.D.Pomona, CA 917671417261686

Common questions

What is Kathy Ou, PHARM.D's NPI number?

Kathy Ou, PHARM.D's National Provider Identifier (NPI) is 1366887416, issued on May 2, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Kathy Ou, PHARM.D located?

The NPPES record lists a practice address at 2707 S Diamond Bar Blvd, Diamond Bar, CA, 91765. Phone: (909) 594-8331. Providers update this record themselves, so call before visiting.

How can I verify Kathy Ou, PHARM.D's license?

NPPES lists California license number 62690, 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.