Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Marguerite S Widener, LCSW

Individual provider Clinical Social Worker · NPI 1508959594

Marguerite S Widener, LCSW is a Clinical Social Worker in San Marcos, California. Qualified in 1997, 29 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in California and North Carolina.

Years since qualifying
29
Licensed in
CA, NC
In the registry since
2006
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

1582 W San Marcos Blvd Ste 105
San Marcos, CA 92078
Phone: (760) 522-0710
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 73336 (CA)
Clinical Social Worker Taxonomy 1041C0700X · Licence C005467 (NC)

Record details

NPI number1508959594
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedOctober 2, 2006
Last updated in NPPESAugust 2, 2018

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1997 (29 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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