Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Emergency Medicine

Sarah C. Farnan, MD

Works at hospitals in Junction City, KS · Topeka, KS · Kansas

Summary

Dr. Sarah C. Farnan, MD is an emergency medicine doctor at 1102 Saint Marys Rd, Junction City, KS 66441. Phone: (785) 762-2585. Accepts Medicare assignment. In 2024, Sarah C. Farnan had 782 Original Medicare patients and 894 services. NPI 1447493218. 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.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 1102 Saint Marys Rd, Junction City, KS 66441 · Directions (2 more locations)
  • Phone: (785) 762‑2585
  • Medicare: Accepts Medicare assignment
  • Hospitals: Stormont Vail Health Flint Hills, LLC, Stormont Vail Hospital
  • Group practice: Cotton-O'neil Clinic Revocable Trust (+1 more)
  • Medical school: University Of Missouri, Kansas City, School Of Medicine · graduated 2009 (17 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sarah C. Farnan, 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 C. Farnan accept Medicare assignment?
Yes. Medicare's clinician data says Sarah C. Farnan 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 C. Farnan see?
In 2024, CMS data shows 782 Original Medicare patients and 894 services for Sarah C. Farnan. This counts Original Medicare only and measures volume, not quality.
What is Sarah C. Farnan's NPI number?
1447493218. 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 C. Farnan, 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 patients782
Services billed to Medicare894
Different services or procedures18
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)527 services
  2. Emergency department visit with high level of medical decision making (99285)169 services
  3. Emergency department visit with moderate level of medical decision making (99284)125 services
  4. Emergency department visit with low level of medical decision making (99283)23 services
  5. Critical care, first 30-74 minutes (99291)21 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%
  • Arthritis59%
  • Anxiety43%
  • Depression42%
  • Diabetes40%

Hospitals where Sarah C. Farnan works

Medicare's Facility Affiliation Data lists Sarah C. Farnan 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 C. Farnan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Cotton-O'neil Clinic Revocable Trust666 clinicians in the group
  • Stormont Vail Health Flint Hills LLC48 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Kansas →

Other emergency medicine doctors in Junction City

Clinicians with the same Medicare primary specialty in Junction City, KS — not a recommendation.

All emergency medicine doctors in Junction City →

Other clinicians in Cotton-O'neil Clinic Revocable Trust

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

Clinician information

CredentialMD
Medical schoolUniversity Of Missouri, Kansas City, School Of Medicine
Graduation year2009 (17 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1447493218
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