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

Nereida Guillen, MSW, ACSW

Individual provider Clinical Social Worker · NPI 1124347919

Nereida Guillen, MSW, ACSW is a Clinical Social Worker in Orange, California. Licensed in California. Registered with an NPI since 2010.

Licensed in
CA
In the registry since
2010
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

See every abbreviation used in this directory →

Practice location Address checks out

500 S Main St Ste 1100
Orange, CA 92868-4513
Phone: (714) 543-4333
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 26690 (CA)

Record details

NPI number1124347919
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , ACSW
Sole proprietorNo
NPI enumeratedMay 19, 2010
Last updated in NPPESMay 19, 2010

Other providers in Orange