Lawrence G Jarvis, PH.D.

Primary specialty

PsychologistTaxonomy code 103T00000X

Practice address

20 13TH St
Havre, MT 59501-5222

Phone

(406) 265-7831

Fax

(406) 265-1651

NPI assigned

Feb 7, 2006

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

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Philosophy

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

{
    "created_epoch": "1139270400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1982676466",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1231",
            "city": "HAVRE",
            "state": "MT",
            "postal_code": "595011231",
            "telephone_number": "406-262-1302",
            "fax_number": "406-265-1651"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20 13TH ST",
            "city": "HAVRE",
            "state": "MT",
            "postal_code": "595015222",
            "telephone_number": "406-265-7831",
            "fax_number": "406-265-1651"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JARVIS",
        "first_name": "LAWRENCE",
        "middle_name": "G",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-07",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "491673",
            "state": "MT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Psychologist in Havre, MT
• Providers in Havre, MT by specialty
• Psychologist in Montana

• 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.