Quick answers
- Which hospitals does Mary K. Duffy work at?
- Medicare's official clinician data lists Mary K. Duffy at 1 hospital: Aurora Medical Center - Summit. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mary K. Duffy see patients?
- Medicare's clinician data lists 1 practice location in Summit, WI. Call before your visit to confirm the address.
- What is Mary K. Duffy's specialty?
- Medicare lists Anesthesiology Assistant as the primary specialty.
- Does Mary K. Duffy accept Medicare assignment?
- Yes. Medicare's clinician data says Mary K. Duffy 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 Mary K. Duffy?
- (262) 434-5000, as listed in official Medicare / NPI Registry data.
- What is Mary K. Duffy's NPI number?
- 1619625233. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mary K. Duffy works
Medicare's Facility Affiliation Data lists Mary K. Duffy at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Aurora Medical Center - SummitSummit, WI · Acute Care Hospital · CCN 520206
Practice locations
Addresses where Mary K. Duffy is enrolled with Medicare (CMS data updated 2026-10-02).
- 36500 Aurora DrSummit, WI 53066 (262) 434‑5000
Group practices
Medicare enrollment lists Mary K. Duffy as a member of this group (CMS data updated 2026-10-02).
- Aurora Medical Group, Inc.3,813 clinicians in the group
Specialties
- Anesthesiology Assistantprimary
Find other clinicians: Anesthesiology Assistant, Wisconsin →
Other anesthesiologist assistants in Summit
Clinicians with the same Medicare primary specialty in Summit, WI — not a recommendation.
Clinician information
| Credential | AA |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619625233 |
| 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