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

MS. Guillermina Martinon, MSW

Individual provider Social Worker · NPI 1255742276

MS. Guillermina Martinon, MSW is a Social Worker in Long Beach, California. Licensed in California. Registered with an NPI since 2014.

Licensed in
CA
In the registry since
2014
Specialties on file
4
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Address checks out

100 E Wardlow Rd
Long Beach, CA 90807-4417
Phone: (562) 427-6818
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 99796 (CA)
Social Worker Taxonomy 104100000X · Licence ASW65416 (CA)
Social Worker Taxonomy 104100000X · Licence 99796 (CA)
Clinical Social Worker Taxonomy 1041C0700X · Licence 99796 (CA)

Record details

NPI number1255742276
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorNo
NPI enumeratedMay 13, 2014
Last updated in NPPESApril 19, 2021
Certification dateApril 19, 2021

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