Quick answers
- Which hospitals does Erica Sieverding work at?
- Medicare's official clinician data lists Erica Sieverding at 2 hospitals: Ascension SE Wisconsin Hospital and Ascension St Francis Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Erica Sieverding see patients?
- Medicare's clinician data lists 2 practice locations, including Brookfield, WI and Greenfield, WI. Call before your visit to confirm the address.
- What is Erica Sieverding's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Erica Sieverding accept Medicare assignment?
- Yes. Medicare's clinician data says Erica Sieverding 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 Erica Sieverding?
- (414) 302-5400, as listed in official Medicare / NPI Registry data.
- What is Erica Sieverding's NPI number?
- 1780293811. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Erica Sieverding works
Medicare's Facility Affiliation Data lists Erica Sieverding at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension SE Wisconsin HospitalMilwaukee, WI · Acute Care Hospital · CCN 520136
- Ascension St Francis HospitalMilwaukee, WI · Acute Care Hospital · CCN 520078
Practice locations
Addresses where Erica Sieverding is enrolled with Medicare (CMS data updated 2026-10-02).
- 13950 W Capitol DrBrookfield, WI 53005 (414) 302‑5400
- 4935 S 76th St, Suite 101Greenfield, WI 53220 (414) 777‑3100
Group practices
Medicare enrollment lists Erica Sieverding as a member of this group (CMS data updated 2026-10-02).
- Ascension Medical Group-Southeast Wisconsin Inc545 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Brookfield
Clinicians with the same Medicare primary specialty in Brookfield, WI — not a recommendation.
Clinician information
| Graduation year | 2020 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780293811 |
| 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