Guardian Recovery Network

Primary specialty

Substance Use Disorder Rehabilitation Clinic/CenterTaxonomy code 261QR0405X

Legal business name

GUARDIAN RECOVERY NETWORK

Practice address

1250 Forest Ave Ste 201
Portland, ME 04103-6403

Phone

(207) 203-7933

NPI assigned

Feb 4, 2026

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

James Dillon, LADC, CCSNPI 1629921820

Title

Therapist

Phone

(202) 910-0393

Specialties & licenses 1

Addresses

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• James Dillon

  • Addiction (Substance Use Disorder) Counselor
  • Portland, ME
  • NPI 1629921820
  NPD Authorized official

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

{
    "created_epoch": "1770163200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1770163200000",
    "number": "1104777341",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1250 FOREST AVE STE 201",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041036403",
            "telephone_number": "207-203-7933"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1250 FOREST AVE STE 201",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041036403",
            "telephone_number": "207-203-7933"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GUARDIAN RECOVERY NETWORK",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-02-04",
        "last_updated": "2026-02-04",
        "certification_date": "2026-02-04",
        "status": "A",
        "authorized_official_last_name": "DILLON",
        "authorized_official_first_name": "JAMES",
        "authorized_official_title_or_position": "THERAPIST",
        "authorized_official_telephone_number": "202-910-0393",
        "authorized_official_credential": "LADC, CCS"
    },
    "taxonomies": [
        {
            "code": "261QR0405X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Rehabilitation, Substance Use Disorder",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Fredericka E Grunhuvd, LCSW
• Matthew Drew Grunwald, M.D.
• Amy Grzysiewicz, D.O.
• Guardian Portland LLC
• Guardian Recovery - Virtual Counseling Maine LLC
• Ada Guarino
• Joel Guarna, PHD
• Chelsey Silva Guastucci
• Peter E Guay, D.O
• Natalia Gudcova, MD

• Substance Use Disorder Rehabilitation Clinic/Center in Portland, ME
• Providers in Portland, ME by specialty
• Substance Use Disorder Rehabilitation Clinic/Center in Maine

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 4, 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.