Individual provider Active NPI

Mark Dennis Cahoon

  • Addiction (Substance Use Disorder) Counselor
  • Southampton, PA
National Provider Identifier
1043122690
Registry record updated Sep 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X
Practice address
1535 Bristol Rd
Southampton, PA 18966-1512
Phone
(267) 229-2154
NPI assigned
Sep 18, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 18, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) Counselor 101YA0400X Primary

Addresses

Primary practice location

1535 Bristol Rd
Southampton, PA 18966-1512

Mailing address

1535 Bristol Rd
Southampton, PA 18966-1512
Phone (267) 229-2154

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

NPI Registry JSON

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

{
    "created_epoch": "1789689600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789689600000",
    "number": "1043122690",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1535 BRISTOL RD",
            "city": "SOUTHAMPTON",
            "state": "PA",
            "postal_code": "189661512",
            "telephone_number": "267-229-2154"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1535 BRISTOL RD",
            "city": "SOUTHAMPTON",
            "state": "PA",
            "postal_code": "189661512",
            "telephone_number": "267-229-2154"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CAHOON",
        "first_name": "MARK",
        "middle_name": "DENNIS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-09-18",
        "last_updated": "2026-09-18",
        "certification_date": "2026-09-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Southampton, PA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 18, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.