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Orthopedic Surgery

Thomas A. Sullivan, MD

Works at hospitals in Green Bay, WI · Sturgeon Bay, WI · Oconto Falls, WI · Wisconsin

Summary

Thomas A. Sullivan, MD (Orthopedic Surgery) is listed by Medicare at 4 hospitals in Green Bay, WI, Sturgeon Bay, WI and Oconto Falls, WI. NPI 1114004181. 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 A. Sullivan, 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

Orthopedic SurgeryPrimary specialty
YesAccepts Medicare assignment
29Years since medical school (graduated 1997)
University Of Nebraska College Of MedicineMedical school
MaleGender (as listed)
Orthopedic and Sports Medicine Specialists of Green Bay, SCGroup practice

Quick answers

Which hospitals does Thomas A. Sullivan work at?
Medicare's official clinician data lists Thomas A. Sullivan at 4 hospitals: Aurora BayCare Medical Ctr, Door County Medical Center, HSHS St Clare Memorial Hospital and St Marys Hospital Medical Ctr. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Thomas A. Sullivan see patients?
Medicare's clinician data lists 1 practice location in Green Bay, WI. Call before your visit to confirm the address.
What is Thomas A. Sullivan's specialty?
Medicare lists Orthopedic Surgery as the primary specialty.
Does Thomas A. Sullivan accept Medicare assignment?
Yes. Medicare's clinician data says Thomas A. Sullivan 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 A. Sullivan?
(920) 430-8113, as listed in official Medicare / NPI Registry data.
What is Thomas A. Sullivan's NPI number?
1114004181. 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 A. Sullivan works

Medicare's Facility Affiliation Data lists Thomas A. Sullivan 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 A. Sullivan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Orthopedic and Sports Medicine Specialists of Green Bay, SC50 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in Wisconsin →

Other orthopedic surgeons in Green Bay

Clinicians with the same Medicare primary specialty in Green Bay, WI — not a recommendation.

All orthopedic surgeons in Green Bay →

Clinician information

CredentialMD
Medical schoolUniversity Of Nebraska College Of Medicine
Graduation year1997
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1114004181
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