MR. VINCENT M. O'HALLORAN LADC
NPI 1326743402
Counselor - Addiction (Substance Use Disorder) in Darien, CT

Active since March 30, 2023
30 OLD KINGS HWY S, DARIEN, CT 06820(203) 252-1565 Get Directions Write a Review

NPPES record last updated: March 30, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mr. Vincent M. O'halloran Ladc NPPES

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

MR. VINCENT M. O'HALLORAN LADC (NPI 1326743402) is an individual addiction (substance use disorder) provider in Darien, Connecticut, licensed in Connecticut (1473) and active in the NPI registry since March 2023. He maintains a secondary practice location in Westport.

NPPES Registry Identity

NPI1326743402
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameMR. VINCENT M. O'HALLORANCredential: LADC
Location Address30 OLD KINGS HWY SDarien, CT 06820-4551
Mailing Address3 Renzulli RdWestport, CT 06880-4723 · (203) 247-4399
Sole ProprietorYes
Enumeration DateMarch 30, 2023
NPPES CertifiedMarch 30, 2023
NPI 1326743402 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
License Licensed in CT · 1473
30 OLD KINGS HWY S, Darien, CT 06820

Secondary Practice Location 1

Location 13 Renzulli RdWestport, CT 06880-4723 · Phone (203) 247-4399

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (Professional)
30 OLD KINGS HWY S
DARIEN, CT 06820
Clinic/Center (Mental Health (Including Community Mental Health Center))
30 OLD KINGS HWY S
DARIEN, CT 06820
Marriage & Family Therapist
30 OLD KINGS HWY S
DARIEN, CT 06820
Social Worker (Clinical)
30 OLD KINGS HWY S
DARIEN, CT 06820
Counselor (Mental Health)
30 OLD KINGS HWY S
DARIEN, CT 06820
Counselor (Professional)
30 OLD KINGS HWY S
DARIEN, CT 06820
Counselor (Professional)
30 OLD KINGS HWY S
DARIEN, CT 06820
Psychologist
30 OLD KINGS HWY S
DARIEN, CT 06820

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 Vincent O'halloran's NPI number?

The NPI number for Vincent O'halloran is 1326743402. It was assigned to this individual provider in the NPPES registry on March 30, 2023.

Where is Vincent O'halloran located?

Vincent O'halloran practices at 30 Old Kings Hwy S, Darien, CT 06820. The listed phone number is (203) 252-1565.

What is Vincent O'halloran'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 Vincent O'halloran was last updated on March 30, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.