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Simer Kaur Grewal, M.D.

NPI 1114458270ActiveIndividual· Radiology, Vascular & Interventional Radiology· Tulsa, OK

Radiology, Vascular & Interventional Radiology (M.D.) in Tulsa, Oklahoma, trained at University of Texas Southwestern Medical School at Dallas (class of 2017). Mostly services rather than prescriptions: Medicare paid $149,324 for 2,742 patients in 2024, with only 12 Part D claims. Penumbra, Inc. was the largest of 6 companies reporting payments in 2025, $2,555 in all, mostly food and beverage.

Overview

NPI1114458270
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMar 21, 2017
Last updated in NPPESAug 3, 2026
Certified by providerAug 3, 2026

Specialties and licenses

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Diagnostic Radiology (OK)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients2,742
Services billed4,312 across 217 procedure codes
Paid by Medicare$149,324

Part D prescriptions in 2024

Prescriptions (claims)12 · 12 30-day fills
Total drug cost$92.78
Generic share100% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Texas Southwestern Medical School at Dallas
Graduation year2017
Medicare specialtyDiagnostic Radiology

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,555 · 22 payments from 6 companies
  • 2024$2,128 · 19 payments from 6 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,299 · 18 payments
  • Travel and Lodging$1,256 · 4 payments

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

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