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MS. TAMMY JAYNE THIVIERGE
NPI 1346770013
Counselor - Addiction (Substance Use Disorder) in Chelsea, MA

Active since June 15, 2017PECOS EnrolledAccepts Medicare Assignment
175 CRESCENT AVE, CHELSEA, MA 02150(617) 889-8779 Get Directions Write a Review

NPPES record last updated: June 15, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ms. Tammy Jayne Thivierge NPPES

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

MS. TAMMY JAYNE THIVIERGE (NPI 1346770013) is an individual addiction (substance use disorder) provider in Chelsea, Massachusetts and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1346770013
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameMS. TAMMY JAYNE THIVIERGE
Location Address175 CRESCENT AVEChelsea, MA 02150-3009
Mailing Address125 N Elm StWestfield, MA 01085-3464 · (413) 568-6600
Phone(617) 889-8779
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateJune 15, 2017
✔ NPI 1346770013 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
175 CRESCENT AVE, Chelsea, MA 02150
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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. Tammy Jayne Thivierge 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 ID4981054285
PECOS Enrollment IDI20231228003701
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 Tammy Thivierge reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Advocates, Inc
8.7 mi
Mental Health (Including Community Mental Health Center)
200 CORPORATE PL STE 6A
Peabody, MA 01960
  • Reassigned Medicare billing, Massachusetts enrollment
  • 143 clinicians in this Medicare group
NPI 1114771037 (978) 927-9410

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

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. CARLOS ALBERTO COLON JR. LPN
Licensed Practical Nurse
175 CRESCENT AVE
CHELSEA, MA 02150
Suffolk County (617) 889-8779
MITSOUKO HANDAL
Social Worker (Clinical)
175 CRESCENT AVE
CHELSEA, MA 02150
Suffolk County (617) 889-8779
NICOLAS MALOOF BA
Counselor (Addiction (Substance Use Disorder))
175 CRESCENT AVE
CHELSEA, MA 02150
Suffolk County (617) 889-8779
NICOLE BOURGEOIS M.ED, LADC1
Counselor (Addiction (Substance Use Disorder))
175 CRESCENT AVE
CHELSEA, MA 02150
Suffolk County (617) 889-8779
EMILY LUU
Registered Nurse (Medical-Surgical)
175 CRESCENT AVE
CHELSEA, MA 02150
Suffolk County (617) 889-8779
DANIEL GREER
Counselor (Addiction (Substance Use Disorder))
175 CRESCENT AVE
CHELSEA, MA 02150
Suffolk County (617) 889-8779
SARAH JAYNES
Licensed Practical Nurse
175 CRESCENT AVE
CHELSEA, MA 02150
Suffolk County (617) 889-9568
SETH PERKINS MSW
Counselor (Addiction (Substance Use Disorder))
175 CRESCENT AVE
CHELSEA, MA 02150
Suffolk County (617) 958-5589

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 Tammy Thivierge's NPI number?

The NPI number for Tammy Thivierge is 1346770013. It was assigned to this individual provider in the NPPES registry on June 15, 2017.

Where is Tammy Thivierge located?

Tammy Thivierge practices at 175 Crescent Ave, Chelsea, MA 02150. The listed phone number is (617) 889-8779.

What is Tammy Thivierge's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Is Tammy Thivierge enrolled in Medicare?

Yes. Tammy Thivierge 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 Tammy Thivierge's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Thivierge reassigns Medicare benefits to Advocates, Inc (Peabody, 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 Tammy Thivierge'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 Tammy Thivierge was last updated on June 15, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.