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Ilsa Y. Grunder, NP

NPI 1073653507ActiveIndividual· Nurse Practitioner· Worcester, MA

Nurse Practitioner (NP) with Reliant Medical Group Inc, practicing in Worcester, Massachusetts. In 2024 Medicare paid $1,282,472 for 431 patients, and Part D covered 344 of their prescriptions, 64% of them generic. Myriad Genetic Laboratories, Inc. was the largest of 2 companies reporting payments in 2025, $80.82 in all, mostly food and beverage.

Overview

NPI1073653507
StatusActive
Entity typeIndividual
CredentialNP
Sole proprietorNo
NPI issuedFeb 7, 2007
Last updated in NPPESJun 11, 2021
Certified by providerJun 11, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Nurse Practitioner Primary363L00000X196255MA

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 - Nurse Practitioner (MA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients431
Services billed100,419 across 119 procedure codes
Paid by Medicare$1,282,472

Part D prescriptions in 2024

Prescriptions (claims)344 · 511 30-day fills
Patients129
Total drug cost$900,798
Generic share64% of claims

Medicare sources and data years

Education and affiliations

Graduation year2005
Medicare specialtyNurse Practitioner
TelehealthOffers telehealth

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$80.82 · 2 payments from 2 companies
  • 2024$125.62 · 3 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Myriad Genetic Laboratories, Inc.$54.071
Abbvie Inc.$26.751

What the 2025 payments were for

  • Food and Beverage$80.82 · 2 payments

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

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