Catherine L. Chapman
Pharmacist · Simi Valley, CA
Catherine L. Chapman is a pharmacist with a practice address in Simi Valley, California, and NPI 1528368347, issued on Oct 26, 2010. Check the license (California RPH39000, 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
- Catherine L. Chapman
- Primary taxonomy
- Pharmacist 183500000X
- License number
- RPH39000 CA
Self-reported in NPPES; status is on the state search - Practice location
- 660 E Los Angeles Ave, Simi Valley, CA 93065
- Phone
- (805) 526-7673
- Enumerated
- Oct 26, 2010
- Record last updated
- Oct 26, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (805) 522-7217
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 660 E Los Angeles Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Paul Szilagi, RPHPharmacist1770883837
Verify Catherine L. Chapman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license RPH39000Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Catherine L. Chapman among 32,533 pharmacist records in California
Catherine L. Chapman 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 2010, is newer than 12% of them.
- NPI issued2010 · 12% of these records are older, 82% 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 updated2010 · 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).
91 pharmacist records list a practice address in Simi Valley
They are 91 of the 1,397 NPPES records with a practice address in Simi Valley, 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 Simi Valley → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Kirk Davis, RPHSimi Valley, CA 930651437475456
- Michael FaragallahSimi Valley, CA 930651447566716
- Marvin Friedman, PHARM.D.Simi Valley, CA 930651124325832
- James Hoag, RPHSimi Valley, CA 930651861799397
- Anthony Hoyle, R.PH.Simi Valley, CA 930651326316449
- Jill Katz, PHARM DSimi Valley, CA 930651457646671
- Kellee Lindauer, PHARMDSimi Valley, CA 930651386945822
- Hala Morsi, RPHSimi Valley, CA 930651578863387
Common questions
What is Catherine L. Chapman's NPI number?
Catherine L. Chapman's National Provider Identifier (NPI) is 1528368347, issued on Oct 26, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Catherine L. Chapman located?
The NPPES record lists a practice address at 660 E Los Angeles Ave, Simi Valley, CA, 93065. Phone: (805) 526-7673. Providers update this record themselves, so call before visiting.
How can I verify Catherine L. Chapman's license?
NPPES lists California license number RPH39000, 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.