Quick answers
- Which hospitals does Denis D. Sain work at?
- Medicare's official clinician data lists Denis D. Sain at 5 hospitals: Abbott Northwestern Hospital, Mercy Hospital, New Ulm Medical Center, North Memorial Health Hospital and Owatonna Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Denis D. Sain see patients?
- Medicare's clinician data lists 5 practice locations, including Minneapolis, MN, Coon Rapids, MN and Fridley, MN. Call before your visit to confirm the address.
- What is Denis D. Sain's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Denis D. Sain accept Medicare assignment?
- Yes. Medicare's clinician data says Denis D. Sain 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 Denis D. Sain's NPI number?
- 1457539520. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Denis D. Sain works
Medicare's Facility Affiliation Data lists Denis D. Sain at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Abbott Northwestern HospitalMinneapolis, MN · Acute Care Hospital · CCN 240057
- Mercy HospitalCoon Rapids, MN · Acute Care Hospital · CCN 240115
- New Ulm Medical CenterNew Ulm, MN · Critical Access Hospital · CCN 241378
- North Memorial Health HospitalRobbinsdale, MN · Acute Care Hospital · CCN 240001
- Owatonna HospitalOwatonna, MN · Acute Care Hospital · CCN 240069
Practice locations
Addresses where Denis D. Sain is enrolled with Medicare (CMS data updated 2026-10-02).
- 2925 Chicago AveMinneapolis, MN 55407
- 4050 Coon Rapids Blvd NWCoon Rapids, MN 55433
- 520 Osborne Rd NEFridley, MN 55432
- 550 Osborne Rd NEFridley, MN 55432
- 800 E 28th StMinneapolis, MN 55407
Group practices
Medicare enrollment lists Denis D. Sain as a member of this group (CMS data updated 2026-10-02).
- Allina Health System3,842 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Minneapolis
Clinicians with the same Medicare primary specialty in Minneapolis, MN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457539520 |
| 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