Margaret Guy, M.S.W.
Clinical Social Worker · Pasadena, CA
Margaret Guy, M.S.W. is a clinical social worker with a practice address in Pasadena, California, and NPI 1538208608, issued on Feb 5, 2007. Check the license (California LCS 10122, 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
- Margaret Guy
- Credential
- M.S.W.
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- LCS 10122 CA
Self-reported in NPPES; status is on the state search - Practice location
- 131 N EL Molino Ave Ste 315, Pasadena, CA 91101
- Phone
- (626) 449-5639
- Enumerated
- Feb 5, 2007
- Record last updated
- Sep 9, 2018 (not updated in 8 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 →
Also registered at 131 N EL Molino Ave Ste 315
A shared address usually means a shared clinic or building; it does not show who employs whom.
- S. ScolinosMarriage & Family Therapist1902491822
Verify Margaret Guy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license LCS 10122Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Margaret Guy among 36,261 clinical social worker records in California
Margaret Guy, M.S.W. 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 2007, is newer than 9% of them.
- NPI issued2007 · 9% of these records are older, 76% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileNo · 11% of these records are
- Record last updated2018 · 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).
532 clinical social worker records list a practice address in Pasadena
They are 532 of the 10,525 NPPES records with a practice address in Pasadena, 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 Pasadena → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Gloria Avrech, LCSW, PH.D.Pasadena, CA 911011174552400
- Laura Dickson, LCSWPasadena, CA 911011659312338
- Micaela Flores, L.C.S.W.Pasadena, CA 911011962509273
- Carol Fred, LCSWPasadena, CA 911011841371127
- Monica Freire, L.C.S.W.Pasadena, CA 911011477649572
- Patricia Giermann, LCSWPasadena, CA 911011801934690
- Victoria Gutierrez-Kovner, L.C.S.W.Pasadena, CA 911011700891124
- Jason HatakeyamaPasadena, CA 911011770669244
Common questions
What is Margaret Guy, M.S.W.'s NPI number?
Margaret Guy, M.S.W.'s National Provider Identifier (NPI) is 1538208608, issued on Feb 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Guy, M.S.W. located?
The NPPES record lists a practice address at 131 N EL Molino Ave Ste 315, Pasadena, CA, 91101. Phone: (626) 449-5639. Providers update this record themselves, so call before visiting.
How can I verify Margaret Guy, M.S.W.'s license?
NPPES lists California license number LCS 10122, 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.