Quick answers
- Which hospitals does Nathan D. Block work at?
- Medicare's official clinician data lists Nathan D. Block at 5 hospitals: Allina United Hospital, Altru Hospital, Ladd Memorial Hospital, Mercy Hospital and St Croix Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nathan D. Block see patients?
- Medicare's clinician data lists 33 practice locations, including Redwood Falls, MN, Dawson, MN and Maple Grove, MN. Call before your visit to confirm the address.
- What is Nathan D. Block's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Nathan D. Block accept Medicare assignment?
- Yes. Medicare's clinician data says Nathan D. Block 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 Nathan D. Block?
- (651) 292-2000, as listed in official Medicare / NPI Registry data.
- What is Nathan D. Block's NPI number?
- 1871571125. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nathan D. Block works
Medicare's Facility Affiliation Data lists Nathan D. Block 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
- Ladd Memorial HospitalOsceola, WI · Critical Access Hospital · CCN 521318
- Mercy HospitalCoon Rapids, MN · Acute Care Hospital · CCN 240115
- St Croix Regional Medical CenterSaint Croix Falls, WI · Critical Access Hospital · CCN 521337
Practice locations
Addresses where Nathan D. Block is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 33; the Medicare profile lists all.
- 101 Caring WayRedwood Falls, MN 56283 · Midwest Radiology PA (651) 292‑2000
- 1282 Walnut StDawson, MN 56232 · Midwest Radiology PA (651) 292‑2000
- 14500 99th Ave N, Suite 100Maple Grove, MN 55369 (763) 898‑1000
- 155 Radio DrWoodbury, MN 55125 (952) 831‑8742
- 1575 Beam AveMaplewood, MN 55109 · Midwest Radiology PA (651) 292‑2000
Group practices
Medicare enrollment lists Nathan D. Block 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
- The Duluth Clinic Ltd1,144 clinicians in the group
- Fairview Clinics782 clinicians in the group
- Altru Health System684 clinicians in the group
- Tria Orthopaedic Center LLC515 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Redwood Falls
Clinicians with the same Medicare primary specialty in Redwood Falls, MN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Iowa, Rj & L Carver College Of Medicine |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871571125 |
| 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