Katrin Harrison, MSW
Clinical Social Worker · Los Angeles, CA
Katrin Harrison, MSW is a clinical social worker with a practice address in Los Angeles, California, and NPI 1801277116, issued on Jun 11, 2015. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katrin Harrison
- Credential
- MSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- Practice location
- 550 S Vermont Ave FL 10, Los Angeles, CA 90020
- Phone
- (323) 515-9343
- Enumerated
- Jun 11, 2015
- Record last updated
- Jun 11, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210209000611); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →
Also registered at 550 S Vermont Ave FL 10
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nidia AguilarClinical Social Worker1063603421
- Maribel BarronClinical Social Worker1457769531
- Alejandro BelizClinical Psychologist1245647171
- Randy Blake, RNPsychiatric/Mental Health Registered Nurse1881006674
- Charmaine Charles, PSY. D.Clinical Psychologist1467665273
- Eric Dereza, L.C.S.W.Clinical Social Worker1255671327
Verify Katrin Harrison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Los Angeles County Department OF Mental HealthLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katrin Harrison among 36,261 clinical social worker records in California
Katrin Harrison, MSW 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. Its NPI, issued in 2015, is newer than 49% of them.
- NPI issued2015 · 49% of these records are older, 47% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated2011 · median 2012 among the 4,008 with a school on file
- Record last updated2015 · 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).
4,806 clinical social worker records list a practice address in Los Angeles
They are 4,806 of the 69,537 NPPES records with a practice address in Los Angeles, and 36,261 clinical social worker records in California.
All 36,261 in California → Every provider in Los Angeles → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Jessica Ahearn, LCSWLos Angeles, CA 900201538257639
- Melineh BarkhoudariansLos Angeles, CA 900201194814590
- Robin Bueno, LCSWLos Angeles, CA 900201932280021
- Shirley Crawford, LCSWLos Angeles, CA 900201861588659
- Sonia DiazLos Angeles, CA 900201497844914
- John Donato, L.C.S.W.Los Angeles, CA 900201366538241
- Sharon Eno, L.C.S.W.Los Angeles, CA 900201225126865
- Kamale Gray, M.S.W.Los Angeles, CA 900201831285980
Common questions
What is Katrin Harrison, MSW's NPI number?
Katrin Harrison, MSW's National Provider Identifier (NPI) is 1801277116, issued on Jun 11, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Katrin Harrison, MSW located?
The NPPES record lists a practice address at 550 S Vermont Ave FL 10, Los Angeles, CA, 90020. Phone: (323) 515-9343. Providers update this record themselves, so call before visiting.
How can I verify Katrin Harrison, MSW's license?
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. Medicare files from data.cms.gov. 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.