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Emergency Medicine

Sarah F. Ehlers, DO

Works at hospitals in Casa Grande, AZ · Chandler, AZ · Gilbert, AZ · Arizona

Summary

Dr. Sarah F. Ehlers, DO is an emergency medicine doctor at 1800 E Florence Blvd, Casa Grande, AZ 85122. Phone: (520) 381-6300. Accepts Medicare assignment. In 2024, Sarah F. Ehlers had 435 Original Medicare patients and 593 services. NPI 1770023020. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Sarah F. Ehlers, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Sarah F. Ehlers accept Medicare assignment?
Yes. Medicare's clinician data says Sarah F. Ehlers 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 Sarah F. Ehlers see?
In 2024, CMS data shows 435 Original Medicare patients and 593 services for Sarah F. Ehlers. This counts Original Medicare only and measures volume, not quality.
What is Sarah F. Ehlers's NPI number?
1770023020. 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 Sarah F. Ehlers, 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 patients435
Services billed to Medicare593
Different services or procedures24
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)310 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)137 services
  3. Critical care, first 30-74 minutes (99291)60 services
  4. Emergency department visit with moderate level of medical decision making (99284)55 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%
  • Arthritis57%
  • Chronic kidney disease47%
  • Ischemic heart disease46%
  • Diabetes42%

Hospitals where Sarah F. Ehlers works

Medicare's Facility Affiliation Data lists Sarah F. Ehlers 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.

Practice locations

Addresses where Sarah F. Ehlers is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sarah F. Ehlers as a member of these groups (CMS data updated October 2, 2026).

  • Emergency Physicians Southwest PC98 clinicians in the group
  • Chandler Emergency Medical Group LLC47 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Arizona →

Other emergency medicine doctors in Casa Grande

Clinicians with the same Medicare primary specialty in Casa Grande, AZ — not a recommendation.

All emergency medicine doctors in Casa Grande →

Other clinicians in Emergency Physicians Southwest PC

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

Clinician information

CredentialDO
Graduation year2017 (9 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1770023020
CorrectionsReport 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

  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