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Douglas R. Gronda, MD

NPI 1962463109ActiveIndividual· Internal Medicine· Holliston, MA

Internal Medicine (MD) in Holliston, Massachusetts, trained at Boston University School of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $587,177 for 7,902 claims, against $90,769 paid for services in 2024.

Overview

NPI1962463109
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMar 29, 2006
Last updated in NPPESOct 30, 2023
Certified by providerOct 30, 2023

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X214551MA

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 - Internal Medicine (MA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients328
Services billed1,768 across 39 procedure codes
Paid by Medicare$90,769

Part D prescriptions in 2024

Prescriptions (claims)7,902 · 14,607 30-day fills
Patients606
Total drug cost$587,177
Generic share89% of claims

Medicare sources and data years

Education and affiliations

Medical schoolBoston University School of Medicine
Graduation year1999
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other Internal Medicine providers in Holliston

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