MS. RHIANNON NICOLE CHIACCHIARO LMHC
NPI 1992370589
Counselor - Mental Health in Westborough, MA

Active since May 25, 2021Opted out of Medicare · through Aug 1, 2027
57 E MAIN ST STE 217, WESTBOROUGH, MA 01581(201) 658-6396 Get Directions Write a Review

NPPES record last updated: July 30, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ms. Rhiannon Nicole Chiacchiaro Lmhc NPPES

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

MS. RHIANNON NICOLE CHIACCHIARO LMHC (NPI 1992370589) is an individual mental health provider in Westborough, Massachusetts, licensed in Massachusetts (LMHC10004502) and active in the NPI registry since May 2021. She has opted out of Medicare through August 1, 2027.

NPPES Registry Identity

NPI1992370589
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMS. RHIANNON NICOLE CHIACCHIAROCredential: LMHC
Location Address57 E MAIN ST STE 217Westborough, MA 01581-1457
Mailing Address73a Beaver StMilford, MA 01757-3648 · (201) 658-6396
Sole ProprietorNo
Enumeration DateMay 25, 2021
Last NPPES UpdateJuly 30, 2025
NPPES CertifiedJuly 30, 2025
NPI 1992370589 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License Licensed in MA · LMHC10004502
57 E MAIN ST STE 217, Westborough, MA 01581

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Opted out of Medicare

Ms. Rhiannon Nicole Chiacchiaro Lmhc has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from August 1, 2025 through August 1, 2027.

Opt-Out Effective DateAugust 1, 2025
Opt-Out In Effect ThroughAugust 1, 2027Opt-out affidavits renew automatically every two years unless cancelled

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 Rhiannon Chiacchiaro's NPI number?

The NPI number for Rhiannon Chiacchiaro is 1992370589. It was assigned to this individual provider in the NPPES registry on May 25, 2021.

Where is Rhiannon Chiacchiaro located?

Rhiannon Chiacchiaro practices at 57 E Main St Ste 217, Westborough, MA 01581. The listed phone number is (201) 658-6396.

What is Rhiannon Chiacchiaro's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Rhiannon Chiacchiaro enrolled in Medicare?

No. Rhiannon Chiacchiaro has opted out of Medicare through August 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

What insurance does Rhiannon Chiacchiaro accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Rhiannon Chiacchiaro 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 Rhiannon Chiacchiaro was last updated on July 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.