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

Melissa Fitzsimmons, LCSW

Individual provider Clinical Social Worker · NPI 1174001473

Melissa Fitzsimmons, LCSW is a Clinical Social Worker in Los Alamitos, California. Licensed in California. Registered with an NPI since 2018.

Licensed in
CA
In the registry since
2018
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

10650 Reagan St
Los Alamitos, CA 90720-8800
Phone: (562) 826-6690
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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 131666 (CA)

Record details

NPI number1174001473
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJuly 30, 2018
Last updated in NPPESMarch 16, 2026
Certification dateMarch 16, 2026

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