Mark D. Mosk, PHD

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

71006089 Issued in IL

Practice address

226 De Anza Blvd
San Mateo, CA 94402-3913

Phone

(650) 999-0220

Fax

(855) 999-0220

NPI assigned

Dec 18, 2017

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

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, 1982

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

State licenses

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

{
    "created_epoch": "1513555200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770163200000",
    "number": "1407362189",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "678 LOTUS PL",
            "city": "HIGHLAND PARK",
            "state": "IL",
            "postal_code": "600351227",
            "telephone_number": "847-652-6565",
            "fax_number": "855-999-0220"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "226 DE ANZA BLVD",
            "city": "SAN MATEO",
            "state": "CA",
            "postal_code": "944023913",
            "telephone_number": "650-999-0220",
            "fax_number": "855-999-0220"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "678 Lotus Pl",
            "address_purpose": "LOCATION",
            "city": "Highland Park",
            "state": "IL",
            "postal_code": "600351227",
            "country_code": "US",
            "telephone_number": "847-652-6565",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MOSK",
        "first_name": "MARK",
        "middle_name": "D.",
        "name_prefix": "Dr.",
        "credential": "PHD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2017-12-18",
        "last_updated": "2026-02-04",
        "certification_date": "2026-02-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "IL",
            "license": "71006089",
            "primary": true
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CA",
            "license": "PSY8865",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Delwin Morris
• Jamie Erin Morris
• Jennifer Nicole Morrison, LVN
• Melina Sara Morrissette
• Scott A Morrow, MD MPH MBA
• Alyssa Moss, LCSW
• Kimia Mostadam
• Niloofar Motahari
• Arwa Motiwala, PT
• Tamara Motley

• Clinical Psychologist in San Mateo, CA
• Providers in San Mateo, CA by specialty
• Clinical Psychologist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 4, 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.