Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MARK DENNIS CAHOON
NPI 1043122690
Counselor - Addiction (Substance Use Disorder) in Southampton, PA

Q: What is Mark Cahoon's NPI number?

The NPI number for Mark Cahoon is 1043122690. It was assigned to this individual provider in the NPPES registry on September 18, 2026.

Q: What is Mark Cahoon's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Q: When was this NPI record last updated?

The NPPES record for Mark Cahoon was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 18, 2026

1535 BRISTOL RD, SOUTHAMPTON, PA 18966(267) 229-2154 Get Directions Write a Review

NPPES record added: September 18, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

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About Mark Dennis Cahoon NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK DENNIS CAHOON (NPI 1043122690) is an individual addiction (substance use disorder) provider in Southampton, Pennsylvania and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1043122690

Entity TypeIndividualMale

Primary Taxonomy101YA0400X

Provider Legal NameMARK DENNIS CAHOON

Location Address1535 BRISTOL RDSouthampton, PA 18966-1512

Mailing Address1535 Bristol RdSouthampton, PA 18966-1512 · (267) 229-2154

Phone(267) 229-2154

Sole ProprietorNo

Enumeration DateSeptember 18, 2026

NPPES CertifiedSeptember 18, 2026

✔ NPI 1043122690 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers

Taxonomy Code101YA0400X

1535 BRISTOL RD, Southampton, PA 18966

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Cahoon's NPI number?

The NPI number for Mark Cahoon is 1043122690. It was assigned to this individual provider in the NPPES registry on September 18, 2026.

Where is Mark Cahoon located?

Mark Cahoon practices at 1535 Bristol Rd, Southampton, PA 18966. The listed phone number is (267) 229-2154.

What is Mark Cahoon's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Mark Cahoon was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.