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HEATHER DINNEEN
NPI 1164203105
Social Worker - Clinical in Ashley Falls, MA

Active since October 06, 2023PECOS EnrolledAccepts Medicare Assignment
1180 ASHLEY FALLS RD STE A, ASHLEY FALLS, MA 01222(860) 671-9315 Get Directions Write a Review

NPPES record last updated: November 3, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 3, 2023, Oct 6, 2023 (2 updates tracked since 2023).

About Heather Dinneen NPPES

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

HEATHER DINNEEN (NPI 1164203105) is an individual clinical provider in Ashley Falls, Massachusetts, licensed in Massachusetts (127058) and active in the NPI registry since October 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in Lee, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1164203105
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameHEATHER DINNEEN
Location Address1180 ASHLEY FALLS RD STE AAshley Falls, MA 01222-9705
Mailing AddressPo Box 1042Great Barrington, MA 01230-6042 · (860) 671-9315
Phone(860) 671-9315
Sole ProprietorYes
Medical School CMSOtherGraduated 2005
Enumeration DateOctober 6, 2023
Last NPPES UpdateNovember 3, 20232 updates tracked since enumeration
NPPES CertifiedOctober 27, 2023
✔ NPI 1164203105 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 MA · 127058
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.
1180 ASHLEY FALLS RD STE A, Ashley Falls, MA 01222
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Secondary Practice Location 1

Location 110 Valley StLee, MA 01238-7701 · Phone (860) 671-9315

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care.Insurance ›

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

Heather Dinneen 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 ID2567937154
PECOS Enrollment IDI20260410003575
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 Heather Dinneen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Collaborative Endeavors, LLC
Clinical
10 VALLEY ST. BLDG D #436
Lee, MA 01238
  • Reassigned Medicare billing, Massachusetts enrollment
  • 4 clinicians in this Medicare group
NPI 1609507680 (413) 358-8752

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 01222 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 $58.86 – $177.36
Typical copayment $0.00 (range $14.71 – $44.34)
Most-billed visit code NA
Established Patient
$73.22 typical visit price
range $19.11 – $144.84
Typical copayment $18.30 (range $4.77 – $36.21)
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 Heather Dinneen's NPI number?

The NPI number for Heather Dinneen is 1164203105. It was assigned to this individual provider in the NPPES registry on October 6, 2023.

Where is Heather Dinneen located?

Heather Dinneen practices at 1180 Ashley Falls Rd Ste A, Ashley Falls, MA 01222. The listed phone number is (860) 671-9315.

What is Heather Dinneen's specialty?

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

Is Heather Dinneen enrolled in Medicare?

Yes. Heather Dinneen 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 Heather Dinneen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Heather Dinneen reassigns Medicare benefits to Collaborative Endeavors, LLC (Lee, MA). 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 Heather Dinneen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Heather Dinneen accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Heather Dinneen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Heather Dinneen was last updated on November 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.