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MS. CAROLYN ELIZABETH ANTONION LCSW
NPI 1720759566
Social Worker - Clinical in New Milford, CT

Active since September 22, 2021PECOS EnrolledAccepts Medicare Assignment
21 ELM ST FL 3, NEW MILFORD, CT 06776(860) 210-5535 Get Directions Write a Review

NPPES record last updated: July 15, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 5, 2024, Sep 22, 2021 (2 updates tracked since 2021).

About Ms. Carolyn Elizabeth Antonion Lcsw NPPES

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

MS. CAROLYN ELIZABETH ANTONION LCSW (NPI 1720759566) is an individual clinical provider in New Milford, Connecticut, licensed in Connecticut (11722) and active in the NPI registry since September 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1720759566
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. CAROLYN ELIZABETH ANTONIONCredential: LCSW
Location Address21 ELM ST FL 3New Milford, CT 06776-2915
Mailing Address100 Reserve RdDanbury, CT 06810-5267 · (860) 210-5535 · Fax (203) 749-9166
Phone(860) 210-5535
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateSeptember 22, 2021
Last NPPES UpdateJuly 15, 20252 updates tracked since enumeration
NPPES CertifiedJuly 15, 2025
✔ NPI 1720759566 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CT · 11722
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.
21 ELM ST FL 3, New Milford, CT 06776
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Carolyn Elizabeth Antonion Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3274921937
PECOS Enrollment IDI20211028002737
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Carolyn Antonion reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Nuvance Health Medical Practice Ct, Inc.
12 mi
Internal Medicine
24 HOSPITAL AVE
Danbury, CT 06810
  • Reassigned Medicare billing, Connecticut enrollment
  • 818 clinicians in this Medicare group
NPI 1407898117 (203) 739-7742

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06776 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $60.82 – $183.10
Typical copayment $0.00 (range $15.20 – $45.77)
Most-billed visit code NA
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Carolyn Antonion's NPI number?

The NPI number for Carolyn Antonion is 1720759566. It was assigned to this individual provider in the NPPES registry on September 22, 2021.

Where is Carolyn Antonion located?

Carolyn Antonion practices at 21 Elm St Fl 3, New Milford, CT 06776. The listed phone number is (860) 210-5535.

What is Carolyn Antonion's specialty?

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

Is Carolyn Antonion enrolled in Medicare?

Yes. Carolyn Antonion is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Carolyn Antonion's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carolyn Antonion reassigns Medicare benefits to Nuvance Health Medical Practice Ct, Inc. (Danbury, CT). The 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 Carolyn Antonion's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Carolyn Antonion was last updated on July 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.