Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Michael Gass, PH.D.
Psychologist in Mission Viejo, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1700902285
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Registry record
Entity type Individual (Type 1)
Name Michael Gass
Credential PH.D.
Sex Male
Practice address 27001 La Paz Rd, Suite 290, Mission Viejo, CA, 92691
Phone (949) 462-0102
Fax (949) 462-0124
Enumeration date Mar 22, 2007
Last updated in NPPES Aug 19, 2008
Taxonomy & licenses
103T00000X Psychologist Behavioral Health & Social Service Providers · License #PSY5201 (CA) Primary
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Michael Gass practice?
The practice location on file with NPPES is in Mission Viejo, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Michael Gass?
The National Provider Identifier (NPI) for Michael Gass is 1700902285, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-08-19.