Steven Thomas Griggs, PH.D.

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

PSY8534 Issued in CA

Practice address

456 E Grand Ave
#301
Escondido, CA 92025-3319

Phone

(760) 746-8355

Fax

(760) 471-1844

NPI assigned

Sep 5, 2005

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Psychologist

Education

Other, 1983

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Steven T. Griggs, PH.D. a Psychological Corporation

  • Psychologist
  • Escondido, CA
  • NPI 1124266796
  Medicare reassignment NPD Authorized official
• Steven T. Griggs, PH.D., a Psychological Corporati

  • Adult Mental Health Clinic/Center
  • Escondido, CA
  • NPI 1316352941
  NPD (past) Authorized official

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1125878400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1700870839",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "210 S JUNIPER ST",
            "address_2": "STE 205",
            "city": "ESCONDIDO",
            "state": "CA",
            "postal_code": "920254200",
            "telephone_number": "760-746-8355",
            "fax_number": "760-471-1844"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "456 E GRAND AVE",
            "address_2": "#301",
            "city": "ESCONDIDO",
            "state": "CA",
            "postal_code": "920253319",
            "telephone_number": "760-746-8355",
            "fax_number": "760-471-1844"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRIGGS",
        "first_name": "STEVEN",
        "middle_name": "THOMAS",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-05",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CA",
            "license": "PSY8534",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Emily Claire Gremett, PT, DPT
• Riley Ailene Griffin
• Tracey Michelle Griffin, CAS CERTIFICATION
• Madyson Shea Griffiths
• Brandon Grigg
• George John Grim Jr., DDS
• Steven Groff Jr.
• Sabrina Elly Grovom, RD
• Growth Mindset ABA, LLC
• Kaloyan Grozdev, PT

• Clinical Psychologist in Escondido, CA
• Providers in Escondido, CA by specialty
• Clinical Psychologist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.