Organization Active NPI

Ats of Delaware, LLC

  • Methadone Clinic
  • Claymont, DE
National Provider Identifier
1114079654
Registry record updated Jun 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Methadone ClinicTaxonomy code 261QM2800X
Legal business name
ATS OF DELAWARE, LLC
Practice address
2999 Philadelphia Pike
Claymont, DE 19703-2507
Phone
(302) 792-0700
Fax
(302) 792-0800
NPI assigned
Jan 17, 2007
Organization subpart
Yes
Parent organization
ACADIA HEALTHCAREAs reported in NPPES

Authorized official

NPPES NPI Registry
Name
Brian Phillip Farley
Title
VP & Secretary
Phone
(615) 861-6000

Other NPIs on the same Medicare enrollment 2

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

Corporate family (same tax ID) 3

Organizations that report the same tax identification number in the National Provider Directory.

Practitioners 1

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

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DE
Opioid treatment program
Medicare-enrolled since Jan 1, 2020

Medicare enrollment records 1

Medicare enrollment files
Enrollment IDStateProvider typePAC IDDetails
O20191226001713 DE Part B Supplier - Opioid Treatment Program (Otp) 3274967302 2 other NPIs on this enrollment
Practice locations: Claymont, DE; Dover, DE; Georgetown, DE

National Provider Directory

National Provider Directory
Tax ID family
Ats of Delaware (4 organizations share this tax ID)
Part of
Haven Behavioral Healthcare

Locations

2999 Philadelphia Pike
Claymont, DE 19703
Phone (302) 308-8534

Specialties & licenses 4

NPPES NPI Registry
Specialty (taxonomy)CodeLicenseStatePrimary
Adult Mental Health Clinic/Center 261QM0850X
Methadone Clinic 261QM2800X
Methadone Clinic 261QM2800X DE Primary
Substance Use Disorder Rehabilitation Clinic/Center 261QR0405X DE

Addresses

NPPES NPI Registry

Primary practice location

2999 Philadelphia Pike
Claymont, DE 19703-2507

Mailing address

PO Box 682669
Franklin, TN 37068-2669
Phone (760) 429-7964

Other identifiers 1

NPPES NPI Registry
IdentifierTypeStateIssuer
1000039777MedicaidDE

Other names 1

NPPES NPI Registry
  • Claymont Treatment Cetner Doing business as

Electronic endpoints 1

NPPES NPI Registry
TypeEndpointUseAffiliation
CONNECT URL https://199.119.81.30:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRResponse_Service Other eSolutions Inc.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Jun 29, 2026.

{
    "created_epoch": "1168992000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1782691200000",
    "number": "1114079654",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 682669",
            "city": "FRANKLIN",
            "state": "TN",
            "postal_code": "370682669",
            "telephone_number": "760-429-7964"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2999 PHILADELPHIA PIKE",
            "city": "CLAYMONT",
            "state": "DE",
            "postal_code": "197032507",
            "telephone_number": "302-792-0700",
            "fax_number": "302-792-0800"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ATS OF DELAWARE, LLC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "ACADIA HEALTHCARE",
        "enumeration_date": "2007-01-17",
        "last_updated": "2026-06-29",
        "certification_date": "2026-06-29",
        "status": "A",
        "authorized_official_last_name": "FARLEY",
        "authorized_official_first_name": "BRIAN",
        "authorized_official_middle_name": "PHILLIP",
        "authorized_official_title_or_position": "VP & SECRETARY",
        "authorized_official_telephone_number": "615-861-6000"
    },
    "taxonomies": [
        {
            "code": "261QM0850X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Adult Mental Health",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "261QM2800X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Methadone",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "261QM2800X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Methadone",
            "state": "DE",
            "license": null,
            "primary": true
        },
        {
            "code": "261QR0405X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Rehabilitation, Substance Use Disorder",
            "state": "DE",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1000039777",
            "state": "DE"
        }
    ],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://199.119.81.30:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRResponse_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.1066.1",
            "affiliationName": "eSolutions Inc.",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "8215 W 108th Ter",
            "city": "Overland Park",
            "state": "KS",
            "country_code": "US",
            "postal_code": "662101661",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "organization_name": "Claymont Treatment Cetner",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Claymont, DE

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 29, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.