Quick answers
- Does Elizabeth Day accept Medicare assignment?
- Yes. Medicare's clinician data says Elizabeth Day 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 Elizabeth Day see?
- In 2024, CMS data shows 179 Original Medicare patients and 376 services for Elizabeth Day. This counts Original Medicare only and measures volume, not quality.
- What is Elizabeth Day's NPI number?
- 1578534053. 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 Elizabeth Day, 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 | 179 |
|---|---|
| Services billed to Medicare | 376 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Critical care, first 30-74 minutes (99291)74 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)40 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)36 services
- Test to measure expiratory airflow and volume changes before and after medication administration (94060)30 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)29 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 pressure71%
- High cholesterol65%
- COPD44%
- Arthritis42%
- Diabetes32%
- Ischemic heart disease32%
Hospitals where Elizabeth Day works
Medicare's Facility Affiliation Data lists Elizabeth Day 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.
- Aspirus Ironwood HospitalIronwood, MI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 231333
- Aspirus Lake View HospitalTwo Harbors, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241308
- Community Memorial HospitalCloquet, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241364
- St Lukes HospitalDuluth, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240047
- Tamarack Health Ashland Medical CenterAshland, WI · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 521359
Practice locations
Addresses where Elizabeth Day is enrolled with Medicare (CMS data updated October 2, 2026).
- 920 E 1st St, Suite 201Duluth, MN 55805 (218) 249‑7920
Group practices
Medicare enrollment lists Elizabeth Day as a member of this group (CMS data updated October 2, 2026).
- St. Luke's Hospital of Duluth405 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
Other pulmonologists in Duluth
Clinicians with the same Medicare primary specialty in Duluth, MN — not a recommendation.
Other clinicians in St. Luke's Hospital of Duluth
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Des Moines University Of Osteopathic Medicine And Health Sciences |
| Graduation year | 1997 (29 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) | 1578534053 |
| 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