Michael Gass, PH.D.
Psychologist · Mission Viejo, CA
Michael Gass, PH.D. is a psychologist with a practice address in Mission Viejo, California, and NPI 1700902285, issued on Mar 22, 2007. Check the license (California #PSY5201, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Michael Gass
- Credential
- PH.D.
- Primary taxonomy
- Psychologist 103T00000X
- License number
- #PSY5201 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27001 LA Paz RD, Mission Viejo, CA 92691
- Phone
- (949) 462-0102
- Enumerated
- Mar 22, 2007
- Record last updated
- Aug 19, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (949) 462-0124
- Medicare enrollment
- Enrolled (PECOS I20071029000423); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychologist records → All 7,304 in California → Look up another NPI →
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Verify Michael Gass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license #PSY5201Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Michael Gass among 7,304 psychologist records in California
Michael Gass, PH.D. is one of 7,304 psychologist records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 18% of them.
- NPI issued2007 · 18% of these records are older, 64% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 14% of these records are
- Graduated1975 · median 2005 among the 1,058 with a school on file
- Record last updated2008 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychologist providers in California
There are 7,304 psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,304 in California → Every provider in Mission Viejo → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Carmen Anderson, PSYD, LPMission Viejo, CA 926911437465713
- Catherine Bailey, PH.D.Mission Viejo, CA 926911962605030
- Rosemarie Calleros, PSYCHOLOGISTMission Viejo, CA 926911407983919
- Stephanie Coons, PSYCHOLOGISTMission Viejo, CA 926911467516559
- Michael Elliott, PHDMission Viejo, CA 926911689016602
- Georgina Guy, PSY.DMission Viejo, CA 926911881617058
- Karen Handley, PHDMission Viejo, CA 926911881845097
- Arpi MelkonianMission Viejo, CA 926911952489155
Common questions
What is Michael Gass, PH.D.'s NPI number?
Michael Gass, PH.D.'s National Provider Identifier (NPI) is 1700902285, issued on Mar 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael Gass, PH.D. located?
The NPPES record lists a practice address at 27001 LA Paz RD, Mission Viejo, CA, 92691. Phone: (949) 462-0102. Providers update this record themselves, so call before visiting.
How can I verify Michael Gass, PH.D.'s license?
NPPES lists California license number #PSY5201, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.