Joan Koerper, LCSW
Clinical Social Worker · Riverside, CA
Joan Koerper, LCSW is a clinical social worker with a practice address in Riverside, California, and NPI 1164609251, issued on Jan 30, 2008. Check the license (California LCS12338, 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
- Joan Koerper
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- LCS12338 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3859 Ridge RD, Riverside, CA 92501
- Phone
- (951) 334-6862
- Enumerated
- Jan 30, 2008
- Record last updated
- Jan 30, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →
Verify Joan Koerper in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license LCS12338Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Joan Koerper among 36,261 clinical social worker records in California
Joan Koerper, LCSW is one of 36,261 clinical social worker records with a practice address in California. 6% 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 2008, is newer than 24% of them.
- NPI issued2008 · 24% of these records are older, 72% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileNo · 11% of these records are
- Record last updated2008 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
481 clinical social worker records list a practice address in Riverside
They are 481 of the 13,893 NPPES records with a practice address in Riverside, and 36,261 clinical social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 36,261 in California → Every provider in Riverside → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Adrienne Chadwick, L.C.S.W.Riverside, CA 925011417075904
- Mekkia De Sanchez-Davis, LCSWRiverside, CA 925011689711129
- Lisa Dryan, LCSWRiverside, CA 925011255438925
- Charles Ellis, LCSW-CRiverside, CA 925011215017009
- Adrienne Gee, LCSWRiverside, CA 925011518137066
- Leslie Herfindahl, LCSWRiverside, CA 925011912052598
- Felicia Kelley, LCSWRiverside, CA 925011053565713
- Benny Liu, MSWRiverside, CA 925011578742326
Common questions
What is Joan Koerper, LCSW's NPI number?
Joan Koerper, LCSW's National Provider Identifier (NPI) is 1164609251, issued on Jan 30, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Joan Koerper, LCSW located?
The NPPES record lists a practice address at 3859 Ridge RD, Riverside, CA, 92501. Phone: (951) 334-6862. Providers update this record themselves, so call before visiting.
How can I verify Joan Koerper, LCSW's license?
NPPES lists California license number LCS12338, 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.