DR. FAITH THERRIEN PSY.D.
NPI 1891120051
Psychologist - Clinical in Worcester, MA
About Dr. Faith Therrien Psy.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. FAITH THERRIEN PSY.D. (NPI 1891120051) is an individual clinical provider in Worcester, Massachusetts, licensed in Massachusetts (11990) and active in the NPI registry since September 2013. She is enrolled in Medicare PECOS, maintains a secondary practice location in Roslindale, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Dr. Faith Therrien Psy.d. 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.
Medicare Billing Reassignment
Medicare enrollment records show Faith Therrien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Worcester, MA 01604
- Reassigned Medicare billing, Massachusetts enrollment
- 59 clinicians in this Medicare group
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 01604 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
WORCESTER, MA 01604
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 Faith Therrien's NPI number?
The NPI number for Faith Therrien is 1891120051. It was assigned to this individual provider in the NPPES registry on September 6, 2013.
Where is Faith Therrien located?
Faith Therrien practices at 309 Belmont St, Worcester, MA 01604. The listed phone number is (508) 368-3300.
What is Faith Therrien's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Faith Therrien enrolled in Medicare?
Yes. Faith Therrien 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 Faith Therrien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Faith Therrien reassigns Medicare benefits to The Commonwealth Of Massachusetts (Worcester, 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 Faith Therrien'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 Faith Therrien was last updated on January 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.