Quick answers
- Which hospitals does Sean K. Johnston work at?
- Medicare's official clinician data lists Sean K. Johnston at 5 hospitals: Essentia Health St Mary's Medical Center, M Health Fairview Southdale Hospital, M Health Fairview St John's Hospital, Park Nicollet Methodist Hospital and Regions Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sean K. Johnston see patients?
- Medicare's clinician data lists 15 practice locations, including Grand Rapids, MN, River Falls, WI and St Paul, MN. Call before your visit to confirm the address.
- What is Sean K. Johnston's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Sean K. Johnston accept Medicare assignment?
- Yes. Medicare's clinician data says Sean K. 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 Sean K. Johnston?
- (218) 326-3401, as listed in official Medicare / NPI Registry data.
- What is Sean K. Johnston's NPI number?
- 1609052000. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sean K. Johnston works
Medicare's Facility Affiliation Data lists Sean K. Johnston at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Essentia Health St Mary's Medical CenterDuluth, MN · Acute Care Hospital · CCN 240002
- M Health Fairview Southdale HospitalEdina, MN · Acute Care Hospital · CCN 240078
- M Health Fairview St John's HospitalMaplewood, MN · Acute Care Hospital · CCN 240210
- Park Nicollet Methodist HospitalSaint Louis Park, MN · Acute Care Hospital · CCN 240053
- Regions HospitalSaint Paul, MN · Acute Care Hospital · CCN 240106
Practice locations
Addresses where Sean K. Johnston is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 15; the Medicare profile lists all.
- 1601 Golf Course RdGrand Rapids, MN 55744 · Grand Itasca Clinic and Hospital (218) 326‑3401
- 1617 E Division StRiver Falls, WI 54022 (715) 307‑6600
- 166 E 4th St, Suite 100St Paul, MN 55101 · Pembina County Memorial Hospital Association (651) 292‑2000
- 18900 Presley CirCerritos, CA 90703 · Marshfield Clinic Inc (800) 782‑8581
- 235 E State StSaint Croix Falls, WI 54024 · Midwest Radiology PA (715) 483‑3621
Group practices
Medicare enrollment lists Sean K. Johnston as a member of these groups (CMS data updated 2026-10-02).
- Allina Health System3,842 clinicians in the group
- Fairview Express Care1,911 clinicians in the group
- Park Nicollet Clinic1,787 clinicians in the group
- The Duluth Clinic Ltd1,144 clinicians in the group
- Altru Health System684 clinicians in the group
- Ridgeview Medical Center412 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Meharry Medical College School Of Medicine |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609052000 |
| 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