Quick answers
- Which hospitals does Frederick Antwi work at?
- Medicare's official clinician data lists Frederick Antwi at 1 hospital: University of Illinois Hospital and Clinics. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Frederick Antwi see patients?
- Medicare's clinician data lists 7 practice locations, including Pleasant Prairie, WI, Chicago, IL and Oswego, IL. Call before your visit to confirm the address.
- What is Frederick Antwi's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Frederick Antwi accept Medicare assignment?
- Yes. Medicare's clinician data says Frederick Antwi 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 Frederick Antwi?
- (262) 857-5300, as listed in official Medicare / NPI Registry data.
- What is Frederick Antwi's NPI number?
- 1215566435. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Frederick Antwi works
Medicare's Facility Affiliation Data lists Frederick Antwi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- University of Illinois Hospital and ClinicsChicago, IL · Acute Care Hospital · CCN 140150
Practice locations
Addresses where Frederick Antwi is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 12500 Aurora DrPleasant Prairie, WI 53158 (262) 857‑5300
- 2835 N Sheffield Ave, Suite 500Chicago, IL 60657 (773) 296‑2400
- 3350 White Oak DrOswego, IL 60543 (773) 296‑2400
- 3416 S Halsted StChicago, IL 60608 (773) 296‑2400
- 4646 N Marine DrChicago, IL 60612 (773) 878‑8700
Group practices
Medicare enrollment lists Frederick Antwi as a member of these groups (CMS data updated 2026-10-02).
- Aurora Medical Group, Inc.3,813 clinicians in the group
- Baal Perazim Wellness Inc18 clinicians in the group
- Baal Perazim Wellness and Health Services PC11 clinicians in the group
- Advanced Urology, Ltd.5 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Pleasant Prairie
Clinicians with the same Medicare primary specialty in Pleasant Prairie, WI — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1215566435 |
| 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