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ONEILL COUNSELING SERVICES LLC
NPI 1598264780
Social Worker - Clinical in Hartford, CT

Active since February 02, 2018
674 PROSPECT AVE, HARTFORD, CT 06105(203) 690-7688 Get Directions Write a Review

NPPES record last updated: May 28, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 28, 2022, May 7, 2022, Feb 3, 2022 and 4 more (7 updates tracked since 2018).

About Oneill Counseling Services Llc NPPES

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

ONEILL COUNSELING SERVICES LLC (NPI 1598264780), doing business as Oneill Counseling Services, is a healthcare organization registered as a clinical in Hartford, Connecticut and active in the NPI registry since February 2018. The organization lists Annette O'neill, Owner/clinician, as its authorized official.

NPPES Registry Identity

NPI1598264780
Entity TypeOrganization
Primary Taxonomy1041C0700X
Legal Business NameONEILL COUNSELING SERVICES LLC
Location Address674 PROSPECT AVEHartford, CT 06105
Mailing Address674 Prospect AveHartford, CT 06105-4288 · (203) 690-7688
Phone(203) 690-7688
Organization SubpartNo
Authorized OfficialAnnette O'neillOwner/clinician · (203) 808-5237
Enumeration DateFebruary 2, 2018
Last NPPES UpdateMay 28, 20227 updates tracked since enumeration
NPPES CertifiedMay 28, 2022
✔ NPI 1598264780 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
674 PROSPECT AVE, Hartford, CT 06105
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Other Names 1

Former Legal Business NameOneill Counseling Services

Other Identifiers 1

Medicaid1942681820CT

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Oneill Counseling Services Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Oneill Counseling Services LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Annette O'neill, LCSW
Clinical Social Worker
NPI 1942681820
233 MAIN ST
New Britain, CT 06051
(860) 224-8192
✔ PECOS✔ Accepts Medicare7.7 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Oneill Counseling Services LLC's NPI number?

The NPI number for Oneill Counseling Services LLC is 1598264780. It was assigned to this organization in the NPPES registry on February 2, 2018. The provider was formerly known as Oneill Counseling Services.

Where is Oneill Counseling Services LLC located?

Oneill Counseling Services LLC is located at 674 Prospect Ave, Hartford, CT 06105. The listed phone number is (203) 690-7688.

What is Oneill Counseling Services LLC's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Oneill Counseling Services LLC enrolled in Medicare?

Yes. Oneill Counseling Services LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Oneill Counseling Services LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Social Worker) reassigns their Medicare billing to Oneill Counseling Services LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Oneill Counseling Services LLC was last updated on May 28, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.