Cathy Loh
Pharmacist · Thousand Oaks, CA
Cathy Loh is a pharmacist with a practice address in Thousand Oaks, California, and NPI 1871965335, issued on Oct 23, 2015. Check the license (California 37987, 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
- Cathy Loh
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 37987 CA
Self-reported in NPPES; status is on the state search - Practice location
- 365 E Hillcrest Dr, Thousand Oaks, CA 91360
- Phone
- (805) 374-7551
- Enumerated
- Oct 23, 2015
- Record last updated
- Oct 23, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (805) 374-7464
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 365 E Hillcrest Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Annapoorani Chellappan, M.D.Family Medicine Physician1023377330
- Maria Felicitas Dizon, M.D.Geriatric Medicine (Family Medicine) Physician1598910267
- Jinous Etemadi, M.D.Internal Medicine Physician1821431784
- Rouxann Fujimoto, PHARM.D.Pharmacist1750439816
- Sharon Jafari, NPNurse Practitioner1245438910
- Bernard Klein, M.D.Internal Medicine Physician1831382738
Verify Cathy Loh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 37987Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Cathy Loh among 32,533 pharmacist records in California
Cathy Loh 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 2015, is newer than 41% of them.
- NPI issued2015 · 41% of these records are older, 53% 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 updated2015 · 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).
71 pharmacist records list a practice address in Thousand Oaks
They are 71 of the 2,434 NPPES records with a practice address in Thousand Oaks, 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 Thousand Oaks → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Yasin Ait-Ouyahia, PHARM.D.Thousand Oaks, CA 913601659774271
- Craig Chally, PHARMDThousand Oaks, CA 913601841590999
- Rouxann Fujimoto, PHARM.D.Thousand Oaks, CA 913601750439816
- Juliana Gheorghiu, RPHThousand Oaks, CA 913601003937533
- Sammy Jung, PHARM.D.Thousand Oaks, CA 913601932236742
- Joanne Kozel, PHARMACISTThousand Oaks, CA 913601568783504
- Stella LeeThousand Oaks, CA 913601528468634
- Racheline Miller, RPHThousand Oaks, CA 913601851691794
Common questions
What is Cathy Loh's NPI number?
Cathy Loh's National Provider Identifier (NPI) is 1871965335, issued on Oct 23, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Cathy Loh located?
The NPPES record lists a practice address at 365 E Hillcrest Dr, Thousand Oaks, CA, 91360. Phone: (805) 374-7551. Providers update this record themselves, so call before visiting.
How can I verify Cathy Loh's license?
NPPES lists California license number 37987, 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.