Quick answers
- Which hospitals does Stephen J. Johnston work at?
- Medicare's official clinician data lists Stephen J. Johnston at 5 hospitals: Aurora Medical Center Manitowoc County, Community Memorial Hospital, Froedtert Community Hospital, Froedtert Memorial Lutheran Hospital and Holy Family Memorial. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stephen J. Johnston see patients?
- Medicare's clinician data lists 15 practice locations, including Fond Du Lac, WI, Milwaukee, WI and Sheboygan, WI. Call before your visit to confirm the address.
- What is Stephen J. Johnston's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Stephen J. Johnston accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen J. Johnston 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 Stephen J. Johnston?
- (920) 367-6700, as listed in official Medicare / NPI Registry data.
- What is Stephen J. Johnston's NPI number?
- 1255759189. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephen J. Johnston works
Medicare's Facility Affiliation Data lists Stephen J. Johnston 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 Manitowoc CountyTwo Rivers, WI · Acute Care Hospital · CCN 520034
- Community Memorial HospitalMenomonee Falls, WI · Acute Care Hospital · CCN 520103
- Froedtert Community HospitalNew Berlin, WI · Acute Care Hospital · CCN 520213
- Froedtert Memorial Lutheran HospitalMilwaukee, WI · Acute Care Hospital · CCN 520177
- Holy Family MemorialManitowoc, WI · Acute Care Hospital · CCN 520107
Practice locations
Addresses where Stephen J. Johnston is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 15; the Medicare profile lists all.
- 1081 E Johnson StFond Du Lac, WI 54935 (920) 367‑6700
- 1155 N Mayfair Rd, Fl 2Milwaukee, WI 53226 (414) 955‑4263
- 1414 N Taylor DrSheboygan, WI 53081 (920) 320‑2436
- 1905 N Calhoun RdBrookfield, WI 53005
- 2300 Western AveManitowoc, WI 54220 (920) 320‑3800
Group practices
Medicare enrollment lists Stephen J. Johnston as a member of these groups (CMS data updated 2026-10-02).
- The Medical College of Wisconsin Inc2,115 clinicians in the group
- Froedtert Andthe Medical College of Wisconsin Community Physicians Inc1,285 clinicians in the group
- Froedtert Manitowoc Medical Group, LLC156 clinicians in the group
- Lakeshore Radiology Associates SC3 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255759189 |
| 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