Quick answers
- Which hospitals does Theresa E. Sullivan work at?
- Medicare's official clinician data lists Theresa E. Sullivan at 3 hospitals: Aurora Lakeland Medical Center, Aurora Medical Center Kenosha and Aurora St Lukes Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Theresa E. Sullivan see patients?
- Medicare's clinician data lists 5 practice locations, including Milwaukee, WI, Kenosha, WI and Mount Pleasant, WI. Call before your visit to confirm the address.
- What is Theresa E. Sullivan's specialty?
- Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
- Does Theresa E. Sullivan accept Medicare assignment?
- Yes. Medicare's clinician data says Theresa E. 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 Theresa E. Sullivan?
- (414) 219-3056, as listed in official Medicare / NPI Registry data.
- What is Theresa E. Sullivan's NPI number?
- 1447539655. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Theresa E. Sullivan works
Medicare's Facility Affiliation Data lists Theresa E. Sullivan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Aurora Lakeland Medical CenterElkhorn, WI · Acute Care Hospital · CCN 520102
- Aurora Medical Center KenoshaKenosha, WI · Acute Care Hospital · CCN 520189
- Aurora St Lukes Medical CenterMilwaukee, WI · Acute Care Hospital · CCN 520138
Practice locations
Addresses where Theresa E. Sullivan is enrolled with Medicare (CMS data updated 2026-10-02).
- 1020 N 12th StMilwaukee, WI 53233 (414) 219‑3056
- 10400 75th StKenosha, WI 53142 (262) 948‑7000
- 13250 Washington AveMount Pleasant, WI 53177 (262) 884‑4000
- 975 Port Washington RdGrafton, WI 53024 (262) 329‑8650
- W3985 County Rd NnElkhorn, WI 53121 (262) 741‑2000
Group practices
Medicare enrollment lists Theresa E. Sullivan as a member of this group (CMS data updated 2026-10-02).
- Aurora Medical Group, Inc.3,813 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
Other hospitalists in Milwaukee
Clinicians with the same Medicare primary specialty in Milwaukee, WI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1447539655 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians