Individual provider Active NPI

Marissa Cassar, PHD

  • Clinical Psychologist
  • Santa Clara, CA
National Provider Identifier
1528845831
Registry record updated Aug 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical PsychologistTaxonomy code 103TC0700X
License
PSY35808 Issued in CA
Practice address
710 Lawrence Express Way
Santa Clara, CA 95051
Phone
(408) 851-1174
NPI assigned
Sep 11, 2023
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 19, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Child & Adolescent Psychologist 103TC2200X
Clinical Psychologist 103TC0700X PSY35808 CA Primary

Addresses

Primary practice location

710 Lawrence Express Way
Santa Clara, CA 95051

Mailing address

274 Redwood Shores Parkway
#802
Redwood City, CA 94065

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20250709002045 CA Practitioner - Clinical Psychologist 5991219123 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
PSY35808CAMDClinical Psychologist
35808CAMDPhysical Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Permanente Medical Group, Inc CurrentSince Apr 26, 2025 Accepting new patients
Permanente Medical Group Inc Current Accepting new patients
Permanente Medical Group Inc CurrentSince Apr 26, 2025 Accepting new patients
Palo Alto University PastSince Oct 8, 2023 Accepting new patients

Locations

750 Auburn Ravine Rd
Auburn, CA 95603
Phone (530) 823-6131

19000 Homestead Rd
Cupertino, CA 95014
Phone (408) 366-4200

4753 W Shaw Ave
Ste 101
Fresno, CA 93722
Phone (559) 277-8738

900 N Douty St
Hanford, CA 93230
Phone (559) 587-9014

101 Monroe St
Petaluma, CA 94954
Phone (707) 763-4109

5820 Owens Dr
Bldg E
Pleasanton, CA 94588
Phone (925) 737-3785

1150 Veterans Blvd
Redwood City, CA 94063
Phone (650) 299-2015

901 Nevin Ave
Richmond, CA 94801
Phone (510) 307-1500

930 W Main St
Ripon, CA 95366
Phone (209) 599-4221

501 J St
Sacramento, CA 95814
Phone (916) 497-3000

2200 Ofarrell St
San Francisco, CA 94115
Phone (415) 202-2000

710 Lawrence Expy
Santa Clara, CA 95051
Phone (408) 236-6400

5615 Scotts Valley Dr
Scotts Valley, CA 95066
Phone (831) 430-2700

7373 West Ln
Stockton, CA 95210
Phone (209) 476-2000

975 Sereno Dr
Vallejo, CA 94589
Phone (707) 651-1000

320 N Crawford St
Willows, CA 95988
Phone (530) 934-2834

Organizations & group practices 4

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

NPI Registry JSON

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

{
    "created_epoch": "1694390400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755561600000",
    "number": "1528845831",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "274 REDWOOD SHORES PARKWAY",
            "address_2": "#802",
            "city": "REDWOOD CITY",
            "state": "CA",
            "postal_code": "94065"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "710 LAWRENCE EXPRESS WAY",
            "city": "SANTA CLARA",
            "state": "CA",
            "postal_code": "95051",
            "telephone_number": "408-851-1174"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASSAR",
        "first_name": "MARISSA",
        "credential": "PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-09-11",
        "last_updated": "2025-08-19",
        "certification_date": "2023-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC2200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical Child & Adolescent",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CA",
            "license": "PSY35808",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Santa Clara, CA

Sources for this page

Verify at the official NPI Registry.