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Gaurav Alreja, M.D.

NPI 1639346380ActiveIndividual· Internal Medicine· Merrillville, IN

Internal Medicine (M.D.) with Sound Physicians of Indiana LLC and 1 other group, practicing in Merrillville, Indiana. Their prescriptions cost Medicare Part D more than their services did: $859,076 for 3,932 claims, against $167,290 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 16 companies reporting payments in 2025, $907.43 in all, mostly food and beverage. Lists Methodist Hospitals Inc and 1 other hospital as hospital affiliations.

Overview

NPI1639346380
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMay 13, 2008
Last updated in NPPESAug 11, 2026
Certified by providerAug 11, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X35C.003571OH
Internal Medicine, Nephrology207RN0300X01076949AIN
Hospitalist208M00000X01076949AIN
Internal Medicine207R00000XIMLC.MD.70137464WA

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 (AL); Practitioner - Internal Medicine (GA); Practitioner - Internal Medicine (IL); Practitioner - Nephrology (IN); Practitioner - Internal Medicine (OH); Practitioner - Internal Medicine (WA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients399
Services billed2,092 across 20 procedure codes
Paid by Medicare$167,290

Part D prescriptions in 2024

Prescriptions (claims)3,932 · 7,835 30-day fills
Patients433
Total drug cost$859,076
Generic share76% of claims

Medicare sources and data years

Education and affiliations

Graduation year2003
Medicare specialtyNephrology

Medical groups

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$907.43 · 43 payments from 16 companies
  • 2024$1,636 · 81 payments from 20 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$883.97 · 41 payments
  • Education$23.46 · 2 payments

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

Other internal medicine physicians in Merrillville

All 30 internal medicine physicians in Merrillville · All internal medicine physicians in Indiana