NPIMap

Organization Active NPI

Dartmouth-Hitchcock Clinic

Doing business as The Doorway at Dartmouth-Hitchcock Lebanon

  • Substance Use Disorder Rehabilitation Clinic/Center
  • Lebanon, NH
National Provider Identifier
1124681846
Registry record updated Aug 31, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Substance Use Disorder Rehabilitation Clinic/CenterTaxonomy code 261QR0405X
Legal business name
DARTMOUTH-HITCHCOCK CLINIC
Doing business as
The Doorway at Dartmouth-Hitchcock Lebanon
Practice address
85 Mechanic St Ste B3-1
Lebanon, NH 03766-1537
Phone
(603) 653-1860
NPI assigned
Apr 18, 2019
Last updated
Aug 31, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 31, 2026

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

Authorized official

Name
Daniel P Jantzen, CPA
Title
Cfo
Phone
(603) 650-5634

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Substance Use Disorder Rehabilitation Clinic/Center 261QR0405X NU Primary

Addresses

Primary practice location

85 Mechanic St Ste B3-1
Lebanon, NH 03766-1537

Mailing address

PO Box 810
Hanover, NH 03755-0810

Other names 1

  • The Doorway at Dartmouth-Hitchcock Lebanon Doing business as

Electronic endpoints 1

TypeEndpointUseAffiliation
CONNECT URL https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service Other Ability Network

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NH

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20040809000442 NH Part B Supplier - Clinic/Group Practice 4183537509 Receives reassigned benefits from 3,231 practitioners
3 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment

Other NPIs on the same Medicare enrollment 3

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

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
30D2055125Dartmouth Hitchcock Clinic85 Mechanic St, Ste 3B-1, Lebanon, NH 03766Certificate of waiverMar 5, 2027

National Provider Directory

National Provider Directory

Locations

1 Court St
Lebanon, NH 03766
Phone (603) 255-3877

85 Mechanic St
Ste B31
Lebanon, NH 03766
Phone (603) 653-1860

100 Hitchcock Way
Manchester, NH 03104
Phone (603) 629-1870

Practitioners & affiliated clinicians

Practitioners 409

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 409

NPI Registry JSON

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

{
    "created_epoch": "1555545600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1788134400000",
    "number": "1124681846",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 810",
            "city": "HANOVER",
            "state": "NH",
            "postal_code": "037550810"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "85 MECHANIC ST STE B3-1",
            "city": "LEBANON",
            "state": "NH",
            "postal_code": "037661537",
            "telephone_number": "603-653-1860"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "DARTMOUTH-HITCHCOCK CLINIC",
        "organizational_subpart": "NO",
        "enumeration_date": "2019-04-18",
        "last_updated": "2026-08-31",
        "certification_date": "2026-08-31",
        "status": "A",
        "authorized_official_last_name": "JANTZEN",
        "authorized_official_first_name": "DANIEL",
        "authorized_official_middle_name": "P",
        "authorized_official_title_or_position": "CFO",
        "authorized_official_telephone_number": "603-650-5634",
        "authorized_official_credential": "CPA"
    },
    "taxonomies": [
        {
            "code": "261QR0405X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Rehabilitation, Substance Use Disorder",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.667.2",
            "affiliationName": "Ability Network",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "64 S Price Rd",
            "city": "Brownsville",
            "state": "TX",
            "country_code": "US",
            "postal_code": "785212459",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "organization_name": "The Doorway at Dartmouth-Hitchcock Lebanon",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "The Doorway at Dartmouth-Hitchcock Lebanon",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Lebanon, NH

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 31, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.