Quick answers
- Which hospitals does Cory Pierson work at?
- Medicare's official clinician data lists Cory Pierson at 4 hospitals: Fort Memorial Hospital, Mercy Health System Corp, Mercy Walworth Hospital & Medical Center and UnityPoint Health - Meriter. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Cory Pierson see patients?
- Medicare's clinician data lists 5 practice locations, including Janesville, WI, Madison, WI and Fort Atkinson, WI. Call before your visit to confirm the address.
- What is Cory Pierson's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Cory Pierson accept Medicare assignment?
- Yes. Medicare's clinician data says Cory Pierson 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 Cory Pierson?
- (608) 756-6000, as listed in official Medicare / NPI Registry data.
- What is Cory Pierson's NPI number?
- 1518586304. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Cory Pierson works
Medicare's Facility Affiliation Data lists Cory Pierson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Fort Memorial HospitalFort Atkinson, WI · Acute Care Hospital · CCN 520071
- Mercy Health System CorpJanesville, WI · Acute Care Hospital · CCN 520066
- Mercy Walworth Hospital & Medical CenterLake Geneva, WI · Critical Access Hospital · CCN 521357
- UnityPoint Health - MeriterMadison, WI · Acute Care Hospital · CCN 520089
Practice locations
Addresses where Cory Pierson is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 Mineral Point AveJanesville, WI 53548 (608) 756‑6000
- 202 S Park StMadison, WI 53715 (608) 287‑2050
- 611 E Sherman AveFort Atkinson, WI 53538 (920) 568‑5000
- 675 W Washington AveMadison, WI 53703 (608) 257‑9700
- 8202 Excelsior DrMadison, WI 53717 (608) 831‑1766
Group practices
Medicare enrollment lists Cory Pierson as a member of these groups (CMS data updated 2026-10-02).
- University of Wisconsin Medical Foundation Inc2,553 clinicians in the group
- Mercy Health System Corporation753 clinicians in the group
- Group Health Cooperative of South Central Wisconsin236 clinicians in the group
- Fort Healthcare Inc155 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Janesville
Clinicians with the same Medicare primary specialty in Janesville, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1518586304 |
| 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