Quick answers
- Does Katherine A. Beresford accept Medicare assignment?
- Yes. Medicare's clinician data says Katherine A. Beresford 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.
- How many Medicare patients does Katherine A. Beresford see?
- In 2024, CMS data shows 227 Original Medicare patients and 316 services for Katherine A. Beresford. This counts Original Medicare only and measures volume, not quality.
- What is Katherine A. Beresford's NPI number?
- 1912151747. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Katherine A. Beresford, 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.
| Original Medicare patients | 227 |
|---|---|
| Services billed to Medicare | 316 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 65 |
Most frequent services
- Home sleep test (hst) with type iv portable monitor, unattended; minimum of 3 channels (G0400)93 services
- Sleep study in sleep lab (6 years or older) (95810)91 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)90 services
- Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation (G0399)18 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 pressure66%
- High cholesterol65%
- Arthritis48%
- Anxiety42%
- Depression38%
- Ischemic heart disease23%
Hospitals where Katherine A. Beresford works
Medicare's Facility Affiliation Data lists Katherine A. Beresford 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 Deer RiverDeer River, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241360
- Essentia Health DuluthDuluth, MN · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 240019
- Essentia Health St Mary's Medical CenterDuluth, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240002
- 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 Katherine A. Beresford is enrolled with Medicare (CMS data updated October 2, 2026).
- 1101 9th St NVirginia, MN 55792 (218) 741‑0150
- 1502 London Rd, Suite 102Duluth, MN 55812 (218) 727‑8228
- 1615 Maple Ln, Suite 1Ashland, WI 54806 (715) 685‑7500
Group practices
Medicare enrollment lists Katherine A. Beresford as a member of this group (CMS data updated October 2, 2026).
- The Duluth Clinic Ltd1,144 clinicians in the group
Specialties
- Sleep Medicineprimary
Other sleep medicine doctors in Minnesota
Clinicians with the same Medicare primary specialty in Minnesota — not a recommendation.
Other clinicians in The Duluth Clinic Ltd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Minnesota Medical School |
| Graduation year | 2007 (19 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1912151747 |
| 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
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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