Diane Oh, PHARMD
Pharmacist · Temecula, CA
Diane Oh, PHARMD is a pharmacist with a practice address in Temecula, California, and NPI 1558800128, issued on Feb 16, 2017. Check the license (California 74874, 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.
- Name
- Diane Oh
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 74874 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27309 Madison Ave, Temecula, CA 92590
- Phone
- (951) 302-4049
- Enumerated
- Feb 16, 2017
- Record last updated
- Feb 16, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 27309 Madison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Casten, M.D.Family Medicine Physician1063670958
- Kirsten Garcia, M.D.Pediatrics Physician1801329776
- Sharon Kim, PHARMDPharmacist1730545096
- Kenneth Liu, MDPediatrics Physician1619945417
- Adel Mazanderani, M.D.Family Medicine Physician1649684010
- Katrina McKelley, D.O.Family Medicine Physician1790046506
Verify Diane Oh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 74874Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Diane Oh among 32,533 pharmacist records in California
Diane Oh, 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 not. Its NPI, issued in 2017, is newer than 53% of them.
- NPI issued2017 · 53% of these records are older, 39% 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 updated2017 · 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).
106 pharmacist records list a practice address in Temecula
They are 106 of the 4,057 NPPES records with a practice address in Temecula, 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 Temecula → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Joseph Distefano, RPHTemecula, CA 925901821512559
- Amy Ehlers, PHARMDTemecula, CA 925901306290051
- Kelly Han, PHARMACISTTemecula, CA 925901861724403
- Sharon Kim, PHARMDTemecula, CA 925901730545096
- Lindy LeeTemecula, CA 925901720414519
- Ida Ong, PHARM.DTemecula, CA 925901063187482
- Maru Ortega, PHARMDTemecula, CA 925901003123134
- Marilyn Sampson, PHARMDTemecula, CA 925901609421304
Common questions
What is Diane Oh, PHARMD's NPI number?
Diane Oh, PHARMD's National Provider Identifier (NPI) is 1558800128, issued on Feb 16, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Diane Oh, PHARMD located?
The NPPES record lists a practice address at 27309 Madison Ave, Temecula, CA, 92590. Phone: (951) 302-4049. Providers update this record themselves, so call before visiting.
How can I verify Diane Oh, PHARMD's license?
NPPES lists California license number 74874, 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.
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.