Quick answers
- Does Charles A. Tietz accept Medicare assignment?
- Yes. Medicare's clinician data says Charles A. Tietz 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 A. Tietz's NPI number?
- 1861499584. 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 A. Tietz works
Medicare's Facility Affiliation Data lists Charles A. Tietz 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.
- Bigfork Valley HospitalBigfork, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241316
- Cook HospitalCook, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241312
- Essentia Health VirginiaVirginia, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 240084
Practice locations
Addresses where Charles A. Tietz is enrolled with Medicare (CMS data updated October 2, 2026).
- 20 5th St SECook, MN 55723 (218) 666‑5941
- 239 McKinley AveEveleth, MN 55734
Group practices
Medicare enrollment lists Charles A. Tietz as a member of this group (CMS data updated October 2, 2026).
- Cook Area Health Services, Inc27 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Cook
Clinicians with the same Medicare primary specialty in Cook, MN — not a recommendation.
Other clinicians in Cook Area Health Services, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Chicago, Pritzker School Of Medicine |
| Graduation year | 1961 (65 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861499584 |
| 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