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Anesthesiology

Thomas J. Willis, MD

Works at hospitals in Indianapolis, IN · Indiana

Summary

Thomas J. Willis, MD (Anesthesiology) is listed by Medicare at 1 hospital in Indianapolis, IN. NPI 1487896866. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Thomas J. Willis, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
17Years since medical school (graduated 2009)
Wayne State University School Of MedicineMedical school
MaleGender (as listed)
IU Health Medical Group LLCGroup practice

Quick answers

Which hospitals does Thomas J. Willis work at?
Medicare's official clinician data lists Thomas J. Willis at 1 hospital: Indiana University Health. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Thomas J. Willis see patients?
Medicare's clinician data lists 1 practice location in Indianapolis, IN. Call before your visit to confirm the address.
What is Thomas J. Willis's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Thomas J. Willis accept Medicare assignment?
Yes. Medicare's clinician data says Thomas J. Willis accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Thomas J. Willis?
(888) 484-3258, as listed in official Medicare / NPI Registry data.
What is Thomas J. Willis's NPI number?
1487896866. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Thomas J. Willis works

Medicare's Facility Affiliation Data lists Thomas J. Willis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Thomas J. Willis is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Thomas J. Willis as a member of this group (CMS data updated 2026-10-02).

  • IU Health Medical Group LLC4,462 clinicians in the group

Specialties

Find other Anesthesiology doctors in Indiana →

Other anesthesiologists in Indianapolis

Clinicians with the same Medicare primary specialty in Indianapolis, IN — not a recommendation.

All anesthesiologists in Indianapolis →

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year2009
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1487896866
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians