Quick answers
- Which hospitals does Mathew So work at?
- Medicare's official clinician data lists Mathew So at 5 hospitals: Allina United Hospital, Altru Hospital, M Health Fairview St John's Hospital, Regions Hospital and River Falls Area Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mathew So 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 Mathew So's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Mathew So accept Medicare assignment?
- Yes. Medicare's clinician data says Mathew So 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 Mathew So?
- (218) 326-3401, as listed in official Medicare / NPI Registry data.
- What is Mathew So's NPI number?
- 1215126503. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mathew So works
Medicare's Facility Affiliation Data lists Mathew So at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Allina United HospitalSaint Paul, MN · Acute Care Hospital · CCN 240038
- Altru HospitalGrand Forks, ND · Acute Care Hospital · CCN 350019
- M Health Fairview St John's HospitalMaplewood, MN · Acute Care Hospital · CCN 240210
- Regions HospitalSaint Paul, MN · Acute Care Hospital · CCN 240106
- River Falls Area HospitalRiver Falls, WI · Critical Access Hospital · CCN 521349
Practice locations
Addresses where Mathew So 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 (218) 326‑3401
- 1617 E Division StRiver Falls, WI 54022 (715) 307‑6600
- 1629 E Division StRiver Falls, WI 54022 · Midwest Radiology PA (715) 425‑6155
- 166 E 4th St, Suite 100St Paul, MN 55101 · Pembina County Memorial Hospital Association (651) 292‑2000
- 2355 Hwy 36 W, Suite 100Roseville, MN 55113 (651) 292‑2000
Group practices
Medicare enrollment lists Mathew So 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
- Altru Health System684 clinicians in the group
- Ridgeview Medical Center412 clinicians in the group
- Range Regional Health Services353 clinicians in the group
- Grand Itasca Clinic and Hospital323 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 | Mayo Medical School |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1215126503 |
| 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