Skip to content

Gunardi Nyoto Irawan, M.D.

NPI 1053752832ActiveIndividual· Internal Medicine· Northborough, MA

Internal Medicine (M.D.) with Charles River Medical Associates, PC, practicing in Northborough, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $409,775 for 3,368 claims, against $49,993 paid for services in 2024. Lilly USA, LLC was the largest of 2 companies reporting payments in 2025, $148.87 in all, mostly food and beverage. Lists Metrowest Medical Center and 1 other hospital as hospital affiliations.

Overview

NPI1053752832
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJul 9, 2013
Last updated in NPPESJan 26, 2026
Certified by providerJan 26, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X269613MA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Internal Medicine (MA); Practitioner - Internal Medicine (OR)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients173
Services billed1,032 across 61 procedure codes
Paid by Medicare$49,993

Part D prescriptions in 2024

Prescriptions (claims)3,368 · 7,714 30-day fills
Patients666
Total drug cost$409,775
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Graduation year2011
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$148.87 · 2 payments from 2 companies
  • 2024$57.19 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Lilly USA, LLC$124.991
Abbott Laboratories$23.881

What the 2025 payments were for

  • Food and Beverage$148.87 · 2 payments

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

Other Internal Medicine providers in Northborough

All Internal Medicine providers in Massachusetts →