Thomas Pierce Larson, ARNP

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

G173810 Issued in IA

Practice address

601 Highway 6 W
Iowa City, IA 52246-2209

Phone

(319) 541-5914

NPI assigned

Oct 18, 2022

Sex

Male

Sole proprietor

No

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

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.

• Ad Astra Psychiatric Services

  • Psychiatry Physician
  • Iowa City, IA
  • NPI 1265386726

  Psychiatric/Mental Health

  NPD Authorized official

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

{
    "created_epoch": "1666051200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781827200000",
    "number": "1922724186",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "601 HIGHWAY 6 W",
            "city": "IOWA CITY",
            "state": "IA",
            "postal_code": "522462209"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "601 HIGHWAY 6 W",
            "city": "IOWA CITY",
            "state": "IA",
            "postal_code": "522462209",
            "telephone_number": "319-541-5914"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "510 S Clinton St",
            "address_purpose": "LOCATION",
            "city": "Iowa City",
            "state": "IA",
            "postal_code": "522404212",
            "country_code": "US",
            "telephone_number": "319-206-3440",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LARSON",
        "first_name": "THOMAS",
        "middle_name": "PIERCE",
        "credential": "ARNP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-10-18",
        "last_updated": "2026-06-19",
        "certification_date": "2026-06-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WP0808X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Psychiatric/Mental Health",
            "state": "IA",
            "license": "152544",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "IA",
            "license": "G173810",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Craig W Larson, PAC
• Hailey Larson, PA-C
• Leanna Lynn Larson
• Priya Devyani Larson, M.D.
• Scott Thomas Larson, M.D.
• Tressa Larson, OD, FAAO
• Kay Marie Larue, COA,ABOC
• Susan V Lary, CRNA
• Edward G Lash, M.D.
• Rachel Lasley

• Psychiatric/Mental Health Nurse Practitioner in Iowa City, IA
• Providers in Iowa City, IA by specialty
• Psychiatric/Mental Health Nurse Practitioner in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 19, 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.