Steven Thomas Griggs, PH.D.
Clinical Psychologist · Escondido, CA
Steven Thomas Griggs, PH.D. is a clinical psychologist with a practice address in Escondido, California, and NPI 1700870839, issued on Sep 5, 2005. Check the license (California PSY8534, 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
- Steven Thomas Griggs
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PSY8534 CA
Self-reported in NPPES; status is on the state search - Practice location
- 456 E Grand Ave, Escondido, CA 92025
- Phone
- (760) 746-8355
- Enumerated
- Sep 5, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (760) 471-1844
- Medicare enrollment
- Enrolled (PECOS I20051123000647); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Also registered at 456 E Grand Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mikaela Taheri, MOTR/LOccupational Therapist1003258039
Verify Steven Thomas Griggs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY8534Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Steven Thomas Griggs among 12,647 clinical psychologist records in California
Steven Thomas Griggs, PH.D. is one of 12,647 clinical psychologist records with a practice address in California. 9% 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 99% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1983 · median 2006 among the 2,424 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Psychologist providers in California
There are 12,647 clinical psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 12,647 in California → Every provider in Escondido → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- William Biffar, PH.D.Escondido, CA 920251104853449
- Lynda Brooks, PHDEscondido, CA 920251770523755
- Polina Bryson, PH DEscondido, CA 920251477593416
- Susanne Dillmann, PSY.D.Escondido, CA 920251487728598
- Diane DumasEscondido, CA 920251013036599
- Abdolhamid Karimi, PSY.D.Escondido, CA 920251659510154
- Sven Schild, PH.D.Escondido, CA 920251265677348
- Hideo Shimizu, PH.D.Escondido, CA 920251477699148
Common questions
What is Steven Thomas Griggs, PH.D.'s NPI number?
Steven Thomas Griggs, PH.D.'s National Provider Identifier (NPI) is 1700870839, issued on Sep 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Steven Thomas Griggs, PH.D. located?
The NPPES record lists a practice address at 456 E Grand Ave, Escondido, CA, 92025. Phone: (760) 746-8355. Providers update this record themselves, so call before visiting.
How can I verify Steven Thomas Griggs, PH.D.'s license?
NPPES lists California license number PSY8534, 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.