Mark R. Larson, PH.D.

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

013650 Issued in NY

Practice address

130 Allens Creek Rd
Rochester, NY 14618-3305

Phone

(585) 473-5810

Fax

(585) 473-5193

NPI assigned

Mar 24, 2006

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

Other identifiers 3

Medicare fee-for-service enrollment

Enrolled in NY

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, 1997

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

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

{
    "created_epoch": "1143158400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1124088208",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "130 ALLENS CREEK RD",
            "city": "ROCHESTER",
            "state": "NY",
            "postal_code": "146183305",
            "telephone_number": "585-473-5810",
            "fax_number": "585-473-5193"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "130 ALLENS CREEK RD",
            "city": "ROCHESTER",
            "state": "NY",
            "postal_code": "146183305",
            "telephone_number": "585-473-5810",
            "fax_number": "585-473-5193"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LARSON",
        "first_name": "MARK",
        "middle_name": "R.",
        "credential": "PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-24",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "NY",
            "license": "013650",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PREFERRED CARE",
            "identifier": "106063FC",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "7043329",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WORKER'S COMPENSATION",
            "identifier": "S13650-7W",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Cathrine Cowell Larson, MSED, RD, CDN
• Cynthia Ann Larson, RPA-C
• Emma Larson, MD
• Jonah Larson
• Kirsten M Larson, RPA-C
• Merrick Larson
• Lars-Goran Larsson, MD
• Elizabeth Larue, RD
• Mary K Larue, RN
• Heather Laruez

• Clinical Psychologist in Rochester, NY
• Providers in Rochester, NY by specialty
• Clinical Psychologist in New York

• 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.