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

Emergency Medicine

William R. Cothern, MD

Works at hospitals in Lafayette, LA · Louisiana

Summary

Dr. William R. Cothern, MD is an emergency medicine doctor at 1214 Coolidge Blvd, Lafayette, LA 70503. Phone: (337) 289-7991. Accepts Medicare assignment. In 2024, William R. Cothern had 239 Original Medicare patients and 306 services. NPI 1881993442. 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: 1214 Coolidge Blvd, Lafayette, LA 70503 · Directions
  • Phone: (337) 289‑7991
  • Medicare: Accepts Medicare assignment
  • Hospital: Ochsner Lafayette General Medical Center
  • Group practice: Coolidge Emergency Group LLC
  • Medical school: Louisiana State University School Of Medicine In New Orleans · graduated 2007 (19 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about William R. Cothern, 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 William R. Cothern accept Medicare assignment?
Yes. Medicare's clinician data says William R. Cothern 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 William R. Cothern see?
In 2024, CMS data shows 239 Original Medicare patients and 306 services for William R. Cothern. This counts Original Medicare only and measures volume, not quality.
What is William R. Cothern's NPI number?
1881993442. 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 William R. Cothern, 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 patients239
Services billed to Medicare306
Different services or procedures16
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)132 services
  2. Emergency department visit with moderate level of medical decision making (99284)111 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)27 services
  4. Critical care, first 30-74 minutes (99291)17 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%
  • Arthritis54%
  • Anxiety45%
  • Depression39%
  • Ischemic heart disease38%

Hospitals where William R. Cothern works

Medicare's Facility Affiliation Data lists William R. Cothern 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 William R. Cothern is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Coolidge Emergency Group LLC26 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Louisiana →

Other emergency medicine doctors in Lafayette

Clinicians with the same Medicare primary specialty in Lafayette, LA — not a recommendation.

All emergency medicine doctors in Lafayette →

Other clinicians in Coolidge Emergency Group LLC

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

Clinician information

CredentialMD
Medical schoolLouisiana State University School Of Medicine In New Orleans
Graduation year2007 (19 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1881993442
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