Amy R. Ellingson, MD

Medicare activity in 2024

Official CMS public-use data for Amy R. Ellingson, 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. Test for allergy using allergenic extract (95004)1,623 services
2. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)52 services
3. Administration and interpretation of patient-focused health risk assessment (96160)33 services
4. Test to measure the level of nitric oxide gas (95012)28 services
5. Test to measure expiratory airflow and volume (94010)23 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 cholesterol74%
• High blood pressure65%
• Arthritis39%
• Asthma39%
• Anxiety34%
• Depression28%

Hospitals where Amy R. Ellingson works

Medicare's Facility Affiliation Data lists Amy R. Ellingson 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.

• Avera Marshall Regional Medical CenterMarshall, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241359

Practice locations

Addresses where Amy R. Ellingson is enrolled with Medicare (CMS data updated October 2, 2026).

• 1037 19th Ave SWWillmar, MN 56201 (320) 214‑1100
• 1037 19th Ave SW, P.O. Box 1015Willmar, MN 56201

Group practices

Medicare enrollment lists Amy R. Ellingson as a member of this group (CMS data updated October 2, 2026).

• Amy R Ellingson MD PA3 clinicians in the group

Specialties

• Allergy/Immunologyprimary

Find other Allergy/Immunology doctors in Minnesota →

Other allergist and immunologists in Minnesota

Clinicians with the same Medicare primary specialty in Minnesota — not a recommendation.

• James Li, MD
• Adithi Y. Reddy, MD
• David W. Lowe, MD
• Danilo A. Dalan, MD
• Yuriy Zgherea, MD
• Ramarathinam Nagarajan, MD
• Timothy H. Lind, MD
• Woei Yeang G. Eng, MD

All allergist and immunologists in Minnesota →

Other clinicians in Amy R Ellingson MD PA

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

• Jolene Schlegel, NP
• Daniele J. Welvaert

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