Doctor profile · Federal record

Dr. Brandon Koser, DO

Emergency Medicine Physician (CMS: Emergency Medicine) · Springfield, IL

  • NPI 1245751254
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
701 N 1St St Ste D220
Springfield, IL 627023757
(217) 545-3518
fax (217) 545-2711
Mailing address
Po Box 19679
Springfield, IL 627949679

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Illinois #125071556

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245751254. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
292
Distinct HCPCS
3
Medicare allowed
$49,330
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 193 192 $176
99284 Emergency department visit with moderate level of medical decision making 60 57 $120
99291 Critical care, first 30-74 minutes 39 39 $211

In context: peer comparison

Among 33 peers in this city , average services per provider: 105. This provider delivers 2.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
135
Patients
134
Total drug cost
$1,261
Drug Type Claims Patients Total cost
Prednisone Generic 25 25 $56
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 21 21 $237
Azithromycin Generic 18 18 $132
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 17 17 $82
Cephalexin Generic 15 15 $153
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 14 13 $426
Ondansetron Odt (Ondansetron) Brand 14 14 $88
Ciprofloxacin Hcl Generic 11 11 $86

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Brandon Koser's medical specialty?
Dr. Brandon Koser practices Emergency Medicine Physician in Springfield, IL.
Where does Dr. Brandon Koser practice?
Dr. Brandon Koser practices at 701 N 1St St Ste D220, Springfield, IL 627023757. Office phone: 2175453518.
What is Dr. Brandon Koser's NPI?
Dr. Brandon Koser's National Provider Identifier (NPI) is 1245751254, issued by NPPES.
Does Dr. Brandon Koser accept Medicare assignment?
Yes. Dr. Brandon Koser accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brandon Koser commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.