Karen E. Flynn, MD

Medicare activity in 2024

Official CMS public-use data for Karen E. Flynn, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Emergency department visit with high level of medical decision making (99285)66 services
2. Emergency department visit with moderate level of medical decision making (99284)36 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol74%
• Arthritis55%
• Anxiety53%
• Depression50%
• Diabetes40%

Hospitals where Karen E. Flynn works

Medicare's Facility Affiliation Data lists Karen E. Flynn 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.

• Essentia Health Moose LakeMoose Lake, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241350
• Essentia Health SandstoneSandstone, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241309
• Essentia Health St Mary's Medical CenterDuluth, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240002
• St Marys Hospital SuperiorSuperior, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521329

Practice locations

Addresses where Karen E. Flynn is enrolled with Medicare (CMS data updated October 2, 2026).

• 1600 Miller Trunk HwyDuluth, MN 55811 (218) 786‑5360
• 1600 Miller Trunk Hwy, Bldg CDuluth, MN 55811 (218) 786‑5360

Group practices

Medicare enrollment lists Karen E. Flynn as a member of this group (CMS data updated October 2, 2026).

• Polinsky Medical Rehabilitation Center382 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in Minnesota →

Other emergency medicine doctors in Duluth

Clinicians with the same Medicare primary specialty in Duluth, MN — not a recommendation.

• Lisa R. McKay, MD
• Eliael Medina, MD
• Brock T. Urie, MD
• Peter J. Coenen, MD
• Theresa E. Weerts, MD
• Brady J. Stallman, MD
• William A. Smoot, MD
• Donna J. Ceglar, MD

All emergency medicine doctors in Duluth →

Other clinicians in Polinsky Medical Rehabilitation Center

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Michael C. Momont, MD
• Kyle A. Menzel, MD
• Amber I. Erickson, MD
• Olga M. Ter-Grigoryan
• Shayla Tschakert, PA
• Megan Sandberg, MD

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians