Doctor profile · Federal record

Dr. Brian Dyson, DO

Internal Medicine Physician (CMS: Critical Care (Intensivists)) · Olympia Fields, IL

  • NPI 1346626041
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20201 Crawford Ave
Olympia Fields, IL 60461
(708) 747-4000
fax (708) 503-3241

Credentials & registration

NPPES · NUCC
NPI registered
August 2015 — 11 yrs on file
Profile last updated
June 18, 2018
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
West Virginia #ED0500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346626041. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
147
Distinct HCPCS
2
Medicare allowed
$28,674
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 136 78 $202
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 11 11 $113

In context: peer comparison

Among 6 peers in Olympia Fields Internal Medicine Physician, average services per provider: 106. This provider delivers 1.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian Dyson's medical specialty?
Dr. Brian Dyson practices Internal Medicine Physician in Olympia Fields, IL.
Where does Dr. Brian Dyson practice?
Dr. Brian Dyson practices at 20201 Crawford Ave, Olympia Fields, IL 60461. Office phone: 7087474000.
What is Dr. Brian Dyson's NPI?
Dr. Brian Dyson's National Provider Identifier (NPI) is 1346626041, issued by NPPES.
Does Dr. Brian Dyson accept Medicare assignment?
Yes. Dr. Brian Dyson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Dyson commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.