Sarah A. Hemming-Meyer, DO

Medicare activity in 2024

Official CMS public-use data for Sarah A. Hemming-Meyer, 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)237 services
2. Emergency department visit with moderate level of medical decision making (99284)76 services
3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)46 services
4. Critical care, first 30-74 minutes (99291)31 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 cholesterol75%
• Arthritis46%
• Chronic kidney disease40%
• Ischemic heart disease37%
• Diabetes36%

Hospitals where Sarah A. Hemming-Meyer works

Medicare's Facility Affiliation Data lists Sarah A. Hemming-Meyer 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.

• Buchanan County Health CenterIndependence, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161335
• St Lukes HospitalCedar Rapids, IA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 160045
• UnityPoint Health - MarshalltownMarshalltown, IA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 160001

Practice locations

Addresses where Sarah A. Hemming-Meyer is enrolled with Medicare (CMS data updated October 2, 2026).

• 1825 Logan AveWaterloo, IA 50703 (319) 235‑3941

Group practices

Medicare enrollment lists Sarah A. Hemming-Meyer as a member of this group (CMS data updated October 2, 2026).

• Allen Memorial Hospital Corporation157 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in Iowa →

Other emergency medicine doctors in Waterloo

Clinicians with the same Medicare primary specialty in Waterloo, IA — not a recommendation.

• Jens M. Olsen, MD
• Laura L. Musyoka, DO
• William P. Fangman, MD
• Blaine B. Westemeyer, MD
• Sean M. Wetjen, MD
• Matthew Pegher, DO
• Enrique Pena, MD
• Katie R. Baker, DO

All emergency medicine doctors in Waterloo →

Other clinicians in Allen Memorial Hospital Corporation

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

• Laura Ubben
• Jens M. Olsen, MD
• Mattie J. Testroet
• Lisa L. Maher
• Andrea L. Youngblut
• Abbie J. Schrader, NP

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