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Dianne Lavoie, PA-C

NPI 1134469604ActiveIndividual· Physician Assistant, Medical· Westfield, MA

Physician Assistant, Medical (PA-C) with Western Mass Physician Associates Inc, practicing in Westfield, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $322,328 for 2,564 claims, against $19,912 paid for services in 2024. Tandem Diabetes Care, Inc. reported $29.37 in payments in 2025, mostly food and beverage. Lists Baystate Medical Center and 2 other hospitals as hospital affiliations.

Overview

NPI1134469604
StatusActive
Entity typeIndividual
CredentialPA-C
Sole proprietorNo
NPI issuedFeb 21, 2013
Last updated in NPPESFeb 11, 2022
Certified by providerFeb 11, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Physician Assistant, Medical Primary363AM0700XPA4642MA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Physician Assistant (MA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients139
Services billed420 across 26 procedure codes
Paid by Medicare$19,912

Part D prescriptions in 2024

Prescriptions (claims)2,564 · 5,571 30-day fills
Patients353
Total drug cost$322,328
Generic share84% of claims

Medicare sources and data years

Education and affiliations

Graduation year2012
Medicare specialtyPhysician Assistant
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$29.37 · 1 payment from 1 company
  • 2024$26.87 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Tandem Diabetes Care, Inc.$29.371

What the 2025 payments were for

  • Food and Beverage$29.37 · 1 payment

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other physician assistants in Westfield

All 17 physician assistants in Westfield · All physician assistants in Massachusetts