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Sandeep S. Grewal, M.D.

NPI 1932315124ActiveIndividual· Internal Medicine, Hematology & Oncology· Flint, MI

Internal Medicine, Hematology & Oncology (M.D.) with McLaren Flint and 1 other group, practicing in Flint, Michigan. Their prescriptions cost Medicare Part D more than their services did: $9,043,469 for 4,262 claims, against $137,658 paid for services in 2024. Exelixis Inc. reported $99.99 in payments in 2025, mostly education. Lists Aultman Hospital and 2 other hospitals as hospital affiliations.

Overview

NPI1932315124
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMay 15, 2007
Last updated in NPPESSep 25, 2013

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003X4301085206MI

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 - Hematology/Oncology (MI); Practitioner - Hematology/Oncology (OH); Practitioner - Internal Medicine (WI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients575
Services billed1,614 across 14 procedure codes
Paid by Medicare$137,658

Part D prescriptions in 2024

Prescriptions (claims)4,262 · 6,192 30-day fills
Patients673
Total drug cost$9,043,469
Generic share76% of claims

Medicare sources and data years

Education and affiliations

Graduation year2002
Medicare specialtyHematology/Oncology

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$99.99 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Exelixis Inc.$99.991

What the 2025 payments were for

  • Education$99.99 · 1 payment

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

Other Internal Medicine, Hematology & Oncology providers in Flint

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