Kathy Ou, PHARM.D
NPI 1366887416 · Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Diamond Bar, CA
Kathy Ou, PHARM.D is a Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist provider in Diamond Bar, CA (NPI 1366887416).
Provider details
- NPI number
- 1366887416
- Entity type
- Individual
- Primary specialty
- Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistPharmacy Service Providers
- Credential
- PHARM.D
- Sex
- Female
- Sole proprietor
- No
- License
- 62690 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-05-02
- Last updated
- 2013-10-02
Frequently asked questions
- What is Kathy Ou's NPI number?
- Kathy Ou's National Provider Identifier (NPI) is 1366887416, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathy Ou's specialty?
- Kathy Ou is listed in the NPPES registry with a primary specialty of Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist (Pharmacy Service Providers).
- Where is Kathy Ou located?
- Kathy Ou's practice location on file with NPPES is 2707 S Diamond Bar Blvd, Diamond Bar, CA 91765-3500.
- What is Kathy Ou's phone number?
- The practice phone number listed in the NPPES registry for Kathy Ou is (909) 594-8331.
- Is Kathy Ou's NPI active?
- Yes — Kathy Ou's NPI (1366887416) is active in the NPPES registry as of the last update on 2013-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.