Dennis Lloyd Douglas Jr.

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

License

BBH-ACLC-LIC-80464 Issued in MT

Practice address

833 N Last Chance Gulch
Helena, MT 59601-3352

Phone

(406) 422-4933

NPI assigned

Jun 25, 2025

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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

Locations

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.

• JHG Ventures Inc

  • Substance Use Disorder Rehabilitation Clinic/Center
  • Helena, MT
  • NPI 1760981096
  NPD
• JHG Ventures Inc.

  • Community/Behavioral Health Agency
  • Helena, MT
  • NPI 1790593564
  NPD

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

{
    "created_epoch": "1750809600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750809600000",
    "number": "1962390336",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "833 N LAST CHANCE GULCH",
            "city": "HELENA",
            "state": "MT",
            "postal_code": "596013352",
            "telephone_number": "406-422-4933"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "833 N LAST CHANCE GULCH",
            "city": "HELENA",
            "state": "MT",
            "postal_code": "596013352",
            "telephone_number": "406-422-4933"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DOUGLAS",
        "first_name": "DENNIS",
        "middle_name": "LLOYD",
        "name_suffix": "Jr.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-06-25",
        "last_updated": "2025-06-25",
        "certification_date": "2025-06-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "MT",
            "license": "BBH-ACLC-LIC-80464",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Whitney Donohoe, LCSW
• Lance Jay Doppler, D.C.
• Monique M Doppler, PHARMD
• Ceder Dorrington-Thacker, PHARMD
• Sharla J Dosier, NP
• Joanna L Dove, N.D.
• Down to Earth Counseling Services
• Kelly D Downing, LCSW
• Zachary Edward Drake, DMD
• Marlys R Drange, MD,PHD

• Addiction (Substance Use Disorder) Counselor in Helena, MT
• Providers in Helena, MT by specialty
• Addiction (Substance Use Disorder) Counselor in Montana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 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.