Nathan N Cook, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

Practice address

2145 W Broadway St
Idaho Falls, ID 83402-2904

Phone

(307) 254-2321

NPI assigned

Mar 12, 2009

Sex

Male

Sole proprietor

Yes

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)

Enrolled

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.

• Chrysalis Treatment Center, Inc.

  • Substance Use Disorder Rehabilitation Clinic/Center
  • Powell, WY
  • NPI 1558837682
  NPD (past)

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

{
    "created_epoch": "1236816000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762732800000",
    "number": "1730320334",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4015 E 136 N",
            "city": "RIGBY",
            "state": "ID",
            "postal_code": "834425198",
            "telephone_number": "307-254-2321"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2145 W BROADWAY ST",
            "city": "IDAHO FALLS",
            "state": "ID",
            "postal_code": "834022904",
            "telephone_number": "307-254-2321"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "125 S Division St",
            "address_purpose": "LOCATION",
            "city": "Powell",
            "state": "WY",
            "postal_code": "824352409",
            "country_code": "US",
            "telephone_number": "307-754-7970",
            "fax_number": "307-754-7971",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "127 S Division St",
            "address_purpose": "LOCATION",
            "city": "Powell",
            "state": "WY",
            "postal_code": "824352409",
            "country_code": "US",
            "telephone_number": "307-271-7306",
            "fax_number": "307-271-7306",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "COOK",
        "first_name": "NATHAN",
        "middle_name": "N",
        "name_prefix": "Mr.",
        "credential": "LCSW",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2009-03-12",
        "last_updated": "2025-11-10",
        "certification_date": "2025-11-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ORGANIZATION NATIONAL PROVIDER IDENTIFICATION NUMBER",
            "identifier": "1477716470",
            "state": "WY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Brady L Cook, M.D.
• Brianne Cook, BS
• David Bryan Cook, O.D.
• Douglas James Cook, D.O.
• James Lee Cook, PA-C
• Steven C Cook, NP-C
• Whitney Jeanne Cooley, PHARMD
• Chad Coon, PA-C
• Alan Ray Cooper, D.D.S.
• Andrew D Cooper, D.O

• Clinical Social Worker in Idaho Falls, ID
• Providers in Idaho Falls, ID by specialty
• Clinical Social Worker in Idaho

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 10, 2025; 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.