Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

BARBARA GRETEN PSYCHOTHERAPY, LLC
NPI 1376837583
Social Worker - Clinical in Meriden, CT

Active since June 06, 2011
85 BUTTERNUT DR, MERIDEN, CT 06450(203) 859-2111(203) 630-1177 Get Directions Write a Review

NPPES record last updated: October 15, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Barbara Greten Psychotherapy, Llc NPPES

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

BARBARA GRETEN PSYCHOTHERAPY, LLC (NPI 1376837583) is a healthcare organization registered as a clinical in Meriden, Connecticut and active in the NPI registry since June 2011. The organization lists Barbara J. Greten, Mental Health And Trauma Therapist, as its authorized official.

NPPES Registry Identity

NPI1376837583
Entity TypeOrganization
Primary Taxonomy1041C0700X
Legal Business NameBARBARA GRETEN PSYCHOTHERAPY, LLC
Location Address85 BUTTERNUT DRMeriden, CT 06450-3509
Mailing Address85 Butternut DrMeriden, CT 06450-3509 · (203) 859-2111 · Fax (203) 630-1177
Fax(203) 630-1177
Organization SubpartNo
Authorized OfficialBarbara J. GretenMental Health And Trauma Therapist · (203) 859-2111
Enumeration DateJune 6, 2011
Last NPPES UpdateOctober 15, 2026
NPPES CertifiedOctober 15, 2026
✔ NPI 1376837583 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CT · 007312
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.
Also ListedCounselor · PastoralTaxonomy 101YP1600X
85 BUTTERNUT DR, Meriden, CT 06450

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Barbara Greten Psychotherapy, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by November 30, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateConnecticutEnrollment IDO20110822000131Non-DME Part B · Clinic/Group PracticeDue dateNovember 30, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Barbara Greten Psychotherapy, LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Clinical Social Worker
NPI 1821328188
85 BUTTERNUT DR
Meriden, CT 06450
(203) 859-2111
✔ PECOS✔ Accepts MedicareSame address

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 Barbara Greten Psychotherapy, LLC's NPI number?

The NPI number for Barbara Greten Psychotherapy, LLC is 1376837583. It was assigned to this organization in the NPPES registry on June 6, 2011.

Where is Barbara Greten Psychotherapy, LLC located?

Barbara Greten Psychotherapy, LLC is located at 85 Butternut Dr, Meriden, CT 06450. The listed phone number is (203) 859-2111.

What is Barbara Greten Psychotherapy, LLC's specialty?

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

Is Barbara Greten Psychotherapy, LLC enrolled in Medicare?

Yes. Barbara Greten Psychotherapy, LLC is registered in the Medicare PECOS enrollment system.

When is Barbara Greten Psychotherapy, LLC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Connecticut, Clinic/Group Practice) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Barbara Greten Psychotherapy, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Social Worker) reassigns their Medicare billing to Barbara Greten Psychotherapy, 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 Barbara Greten Psychotherapy, LLC was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.