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Gregory Alter Group, Inc.

NPI 1154083558ActiveOrganization· Psychologist, Clinical· San Rafael, CA

Psychologist, Clinical in San Rafael, California, registered in NPPES in October 2021. The authorized official on file is Gregory Seth Alter, PH.D., Provider/Owner.

Overview

NPI1154083558
StatusActive
Entity typeOrganization
NPI issuedOct 12, 2021
Last updated in NPPESOct 15, 2021
Certified by providerOct 15, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Psychologist, Clinical Primary103TC0700X——
Psychologist103T00000X——

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Not in the public enrollment file of Oct 1, 2026

Medicare sources and data years

Other clinical psychologists in San Rafael

All 109 clinical psychologists in San Rafael · All clinical psychologists in California