Active NPI
Mark Dennis Cahoon
- Addiction (Substance Use Disorder) Counselor
- Southampton, PA
National Provider Identifier
1043122690
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Addiction (Substance Use Disorder) Counselor
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
- Tia Burroughs Clayton
- Butterwick & Kerner Associates, LLC
- Butterwick Medical P.C.
- Laura A Butterwick, MD
- C & P Testing, Inc.
- Camahalode, Inc. (BrightStar Care of South Bucks and Southeast Montgomery Counties)
- Kali Carrara, PSY.D.
- Catherine Douglas Carruthers, M.D.
- Maryann Elizabeth Ceglio, D.P.M.
- Lucy Ann Centafont, OTRL
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.