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Rengaraju Ramasamy, MD

NPI 1720284425ActiveIndividual· Internal Medicine· Oka Tamuning, GU

Internal Medicine (MD) with Guam Memorial Hospital, practicing in Oka Tamuning, Guam. Mostly services rather than prescriptions: Medicare paid $29,705 for 86 patients in 2024, with only 29 Part D claims. Lists Guam Memorial Hospital Authority as a hospital affiliation.

Overview

NPI1720284425
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 21, 2007
Last updated in NPPESJul 8, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XM001418GU

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 (GU)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients86
Services billed517 across 14 procedure codes
Paid by Medicare$29,705

Part D prescriptions in 2024

Prescriptions (claims)29 · 29 30-day fills
Total drug cost$1,361
Generic share83% of claims

Medicare sources and data years

Education and affiliations

Graduation year1983
Medicare specialtyInternal Medicine

Medical group

Hospital affiliation

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 Oka Tamuning

All Internal Medicine providers in Guam →