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

Dr. James Michael McCrohhan Brennan, PHD

Individual provider Psychologist · NPI 1316653835

Dr. James Michael McCrohhan Brennan, PHD is a Psychologist in San Francisco, California. Licensed in California. Registered with an NPI since 2023.

Licensed in
CA
In the registry since
2023
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

4150 Clement St
San Francisco, CA 94121-1563
Phone: (415) 281-4810
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 33895 (CA)

Record details

NPI number1316653835
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJanuary 27, 2023
Last updated in NPPESJanuary 27, 2023
Certification dateJanuary 23, 2023

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