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

Gregory Alter Group, Inc

Organization Psychologist · NPI 1154083558

Gregory Alter Group, Inc is a Psychologist in San Rafael, California. Registered with an NPI since 2021.

In the registry since
2021
Specialties on file
2
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

31 Carroll Ct
San Rafael, CA 94903-3719
Phone: (510) 734-0885
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X
Psychologist Taxonomy 103T00000X

Record details

NPI number1154083558
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Gregory Alter — Provider/Owner · (510) 734-0885
NPI enumeratedOctober 12, 2021
Last updated in NPPESOctober 15, 2021
Certification dateOctober 15, 2021
Mailing address3812 Laurel Ave, Oakland, CA 94602-3925

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