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Michael Warren

NPI 1093138075ActiveIndividual· Anesthesiology, Pain Medicine· Chicago, IL

Anesthesiology, Pain Medicine with Mymichigan Medical Center Sault, practicing in Chicago, Illinois. Their prescriptions cost Medicare Part D more than their services did: $78,821 for 1,160 claims, against $22,950 paid for services in 2024. Abbvie Inc. reported $23.31 in payments in 2024, mostly food and beverage. Lists Chippewa County War Memorial Hospital and 2 other hospitals as hospital affiliations.

Overview

NPI1093138075
StatusActive
Entity typeIndividual
Sole proprietorYes
NPI issuedJan 28, 2014
Last updated in NPPESFeb 12, 2020
Certified by providerFeb 12, 2020

Specialties and licenses

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 - Pain Management (MI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients133
Services billed515 across 24 procedure codes
Paid by Medicare$22,950

Part D prescriptions in 2024

Prescriptions (claims)1,160 · 1,607 30-day fills
Patients164
Total drug cost$78,821
Generic share97% of claims

Medicare sources and data years

Education and affiliations

Graduation year2013
Medicare specialtyPain Management

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$23.31 · 1 payment from 1 company

Top paying companies in 2024

CompanyAmountPayments
Abbvie Inc.$23.311

What the 2024 payments were for

  • Food and Beverage$23.31 · 1 payment

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

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