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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JUSTINE MARIE MONTHONY-EATON DO
NPI 1568040897
Family Medicine in Leominster, MA

Active since March 30, 2021PECOS EnrolledAccepts Medicare Assignment
87 N MAIN ST, LEOMINSTER, MA 01453(978) 534-8701 Get Directions Write a Review

NPPES record last updated: October 8, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 8, 2026, May 8, 2024, Mar 30, 2021 (3 updates tracked since 2021).

About Justine Marie Monthony-eaton Do NPPES

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

JUSTINE MARIE MONTHONY-EATON DO (NPI 1568040897) is an individual family medicine provider in Leominster, Massachusetts, licensed in Massachusetts (1020774) and active in the NPI registry since March 2021. The provider is enrolled in Medicare PECOS, is affiliated with Umass Memorial Healthalliance Hospitals, and is a graduate of University Of New England, College Of Osteo Medicine (2021).

NPPES Registry Identity

NPI1568040897
Entity TypeIndividual
Primary Taxonomy207Q00000X
Provider Legal NameJUSTINE MARIE MONTHONY-EATONCredential: DO
Location Address87 N MAIN STLeominster, MA 01453-5507
Mailing Address87 N Main StLeominster, MA 01453-5507 · (978) 534-8701
Phone(978) 534-8701
Sole ProprietorNo
Medical School CMSUniversity Of New England, College Of Osteo MedicineGraduated 2021
Enumeration DateMarch 30, 2021
Last NPPES UpdateOctober 8, 20263 updates tracked since enumeration
NPPES CertifiedOctober 8, 2026
✔ NPI 1568040897 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MA · 1020774
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
87 N MAIN ST, Leominster, MA 01453
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Other Names 1

Former Name (1)Justine Marie Monthony

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

Justine Marie Monthony-eaton Do 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 ID8022556158
PECOS Enrollment IDI20240820002080
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 Justine Monthony-eaton reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Family Medical & Maternity Care PC
0.5 mi
Family Medicine
87 NORTH MAIN ST
Leominster, MA 01453
  • Reassigned Medicare billing, Massachusetts enrollment
  • 20 clinicians in this Medicare group
NPI 1922170216 (978) 534-8701

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Umass Memorial Healthalliance Hospitals

Acute Care Hospitals · Leominster, MA
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number220001
Location60 Hospital RoadLeominster, MA 01453 · Worcester County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01453 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
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 13

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

SUSAN RAYMOND MARCOULIER AGPCNP-BC
Nurse Practitioner (Primary Care)
87 N MAIN ST
LEOMINSTER, MA 01453
Worcester County (978) 534-8701
ALEXIS BERGMAN PA-C
Physician Assistant
87 N MAIN ST
LEOMINSTER, MA 01453
Worcester County (978) 534-8701
STEVEN B GUTWILLIG ARNP
Nurse Practitioner (Family)
87 N MAIN ST
LEOMINSTER, MA 01453
Worcester County (978) 534-8701
TANISHA STOWERS ROSS FNP
Nurse Practitioner (Family)
87 N MAIN ST
LEOMINSTER, MA 01453
Worcester County (978) 534-8701
MS. CHELSEA WILLIAMS LMT
Massage Therapist
87 N MAIN ST
LEOMINSTER, MA 01453
Worcester County (978) 534-8701
KAYLA FONTAINE FNP-C
Nurse Practitioner (Family)
87 N MAIN ST
LEOMINSTER, MA 01453
Worcester County (978) 534-8701
DR. SANJEEVANI VIJAYKUMAR DEOLAPURE M.D.
Family Medicine
87 N MAIN ST
LEOMINSTER, MA 01453
Worcester County (978) 534-8701
MRS. AMANDA HELENE MOLTER CNM
Advanced Practice Midwife
87 N MAIN ST
LEOMINSTER, MA 01453
Worcester County (978) 534-8701

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 Justine Monthony-eaton's NPI number?

The NPI number for Justine Monthony-eaton is 1568040897. It was assigned to this individual provider in the NPPES registry on March 30, 2021. The provider is also known as Justine Marie Monthony.

Where is Justine Monthony-eaton located?

Justine Monthony-eaton practices at 87 N Main St, Leominster, MA 01453. The listed phone number is (978) 534-8701.

What is Justine Monthony-eaton's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Justine Monthony-eaton enrolled in Medicare?

Yes. Justine Monthony-eaton 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 Justine Monthony-eaton's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Justine Monthony-eaton reassigns Medicare benefits to Family Medical & Maternity Care PC (Leominster, 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 Justine Monthony-eaton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Justine Monthony-eaton affiliated with any hospitals?

According to CMS data, Justine Monthony-eaton is affiliated with Umass Memorial Healthalliance Hospitals.

When was this NPI record last updated?

The NPPES record for Justine Monthony-eaton was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 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.