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

Brett Grinnell, MSW

Individual provider Mental Health Counselor · NPI 1710369715

Brett Grinnell, MSW is a Clinical Social Worker in San Diego, California. Qualified in 2015, 11 years ago. Practices with Practice of Being Human Psychology PC, a 5-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
11
Licensed in
CA
In the registry since
2015
Specialties on file
3
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

928 Broadway
San Diego, CA 92101-5514
Phone: (619) 977-3716
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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 ASW (CA)
Mental Health Counselor Taxonomy 101YM0800X
Social Worker Taxonomy 104100000X

Record details

NPI number1710369715
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW
Sole proprietorNo
NPI enumeratedJune 25, 2015
Last updated in NPPESMarch 28, 2023
Certification dateMarch 28, 2023

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Practice Of Being Human Psychology Pc — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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