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Emergency Medicine

Brian G. Cohn, MD

Works at hospitals in Saint Louis, MO · Missouri

Summary

Dr. Brian G. Cohn, MD is an emergency medicine doctor at 1 Barnes Hospital Plz, Saint Louis, MO 63110. Phone: (314) 362-9170. Accepts Medicare assignment. In 2024, Brian G. Cohn had 349 Original Medicare patients and 444 services. NPI 1649206061. 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 Brian G. Cohn, 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 Brian G. Cohn accept Medicare assignment?
Yes. Medicare's clinician data says Brian G. Cohn 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 Brian G. Cohn see?
In 2024, CMS data shows 349 Original Medicare patients and 444 services for Brian G. Cohn. This counts Original Medicare only and measures volume, not quality.
What is Brian G. Cohn's NPI number?
1649206061. 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 Brian G. Cohn, 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 patients349
Services billed to Medicare444
Different services or procedures33
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)196 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)90 services
  3. Emergency department visit with moderate level of medical decision making (99284)62 services
  4. Critical care, first 30-74 minutes (99291)40 services
  5. Emergency department visit with low level of medical decision making (99283)16 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 cholesterol71%
  • Arthritis58%
  • Chronic kidney disease45%
  • Ischemic heart disease43%
  • Depression43%

Hospitals where Brian G. Cohn works

Medicare's Facility Affiliation Data lists Brian G. Cohn 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 Brian G. Cohn is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Brian G. Cohn as a member of this group (CMS data updated October 2, 2026).

  • Washington University3,029 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Missouri →

Other emergency medicine doctors in Saint Louis

Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.

All emergency medicine doctors in Saint Louis →

Other clinicians in Washington University

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

Clinician information

CredentialMD
Medical schoolUniversity Of Alabama School Of Medicine
Graduation year2003 (23 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1649206061
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