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Benjamin S. Wallis, MD

NPI 1720309826ActiveIndividual· Anesthesiology· Evanston, IL

Anesthesiology (MD) in Evanston, Illinois, trained at Georgetown University School of Medicine (class of 2010). Medicare paid $42,022 for services to 384 patients in 2024. Verathon Inc. was the largest of 2 companies reporting payments in 2025, $1,232 in all, mostly consulting fees.

Overview

NPI1720309826
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 13, 2010
Last updated in NPPESJun 15, 2023
Certified by providerJun 15, 2023

Specialties and licenses

TaxonomyCodeLicenseState
Anesthesiology Primary207L00000X036.134525IL

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 - Anesthesiology (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients384
Services billed424 across 74 procedure codes
Paid by Medicare$42,022

Medicare sources and data years

Education and affiliations

Medical schoolGeorgetown University School of Medicine
Graduation year2010
Medicare specialtyAnesthesiology

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,232 · 2 payments from 2 companies
  • 2024$40.06 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Verathon Inc.$1,2001
Merck Sharp & Dohme LLC$31.881

What the 2025 payments were for

  • Consulting Fee$1,200 · 1 payment
  • Food and Beverage$31.88 · 1 payment

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

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