Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MARK BELLIVEAU BS
NPI 1477466415
Counselor - Mental Health in Leominster, MA

Active since September 22, 2026
100 ERDMAN WAY, LEOMINSTER, MA 01453(800) 977-5555 Get Directions Write a Review

NPPES record added: September 22, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

About Mark Belliveau Bs NPPES

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

MARK BELLIVEAU BS (NPI 1477466415) is an individual mental health provider in Leominster, Massachusetts and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1477466415
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMARK BELLIVEAUCredential: BS
Location Address100 ERDMAN WAYLeominster, MA 01453-1804
Mailing Address100 Erdman WayLeominster, MA 01453-1804 · (800) 977-5555
Sole ProprietorNo
Enumeration DateSeptember 22, 2026
NPPES CertifiedSeptember 22, 2026
✔ NPI 1477466415 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
100 ERDMAN WAY, Leominster, MA 01453

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.

Occupational Therapist
100 ERDMAN WAY
LEOMINSTER, MA 01453
Social Worker (Clinical)
100 ERDMAN WAY
LEOMINSTER, MA 01453
Speech-Language Pathologist
100 ERDMAN WAY
LEOMINSTER, MA 01453
Developmental Therapist
100 ERDMAN WAY
LEOMINSTER, MA 01453
Developmental Therapist
100 ERDMAN WAY
LEOMINSTER, MA 01453
Developmental Therapist
100 ERDMAN WAY
LEOMINSTER, MA 01453
Developmental Therapist
100 ERDMAN WAY
LEOMINSTER, MA 01453
Counselor (Mental Health)
100 ERDMAN WAY
LEOMINSTER, MA 01453

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 Mark Belliveau's NPI number?

The NPI number for Mark Belliveau is 1477466415. It was assigned to this individual provider in the NPPES registry on September 22, 2026.

Where is Mark Belliveau located?

Mark Belliveau practices at 100 Erdman Way, Leominster, MA 01453. The listed phone number is (800) 977-5555.

What is Mark Belliveau's specialty?

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

When was this NPI record last updated?

The NPPES record for Mark Belliveau was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.