Quick answers
- Does Charles Marquardt accept Medicare assignment?
- Yes. Medicare's clinician data says Charles Marquardt accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Charles Marquardt's NPI number?
- 1477180115. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Charles Marquardt works
Medicare's Facility Affiliation Data lists Charles Marquardt at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Mercy HospitalCoon Rapids, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240115
- North Memorial Health HospitalRobbinsdale, MN · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 240001
Practice locations
Addresses where Charles Marquardt is enrolled with Medicare (CMS data updated October 2, 2026).
- 2800 Campus Dr, Suite 20Plymouth, MN 55441 (763) 398‑6363
- 3300 Oakdale Ave NRobbinsdale, MN 55422 (763) 520‑4897
- 4040 Coon Rapids Blvd NW, Suite 120Coon Rapids, MN 55433 (763) 427‑9980
- 550 Osborne Rd NEFridley, MN 55432 (763) 427‑9980
Group practices
Medicare enrollment lists Charles Marquardt as a member of these groups (CMS data updated October 2, 2026).
- Allina Health System3,842 clinicians in the group
- North Memorial Health Care504 clinicians in the group
- Minneapolis Radiology Associates Ltd44 clinicians in the group
Specialties
- Vascular Surgeryprimary
Other vascular surgeons in Minnesota
Clinicians with the same Medicare primary specialty in Minnesota — not a recommendation.
Other clinicians in Allina Health System
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2020 (6 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477180115 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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