Doctor profile · Federal record

Dr. Kevin O'Brien, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Student in an Organized Health Care Education/Training Program · Chicago, IL

  • NPI 1346686474
  • Accepts Medicare
  • 13 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7435 W Talcott Ave
Chicago, IL 606313707
(773) 792-5261
Mailing address
2650 Ridge Ave., Dept. of Radiology
Evanston, IL 602011718

Credentials & registration

NPPES · NUCC
NPI registered
May 2013 — 13 yrs on file
Profile last updated
April 27, 2018
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Illinois #036139521

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346686474. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,885
Distinct HCPCS
10
Medicare allowed
$140,849
HCPCS Description Services Patients Avg allowed
71045 X-ray of chest, 1 view 805 738 $8
71046 X-ray of chest, 2 views 225 221 $10
71046 X-ray of chest, 2 views 224 222 $10
70450 Ct scan head or brain without contrast 208 204 $38
74177 Ct scan of abdomen and pelvis with contrast 159 157 $82
71275 Ct scan of blood vessels of chest with contrast 131 129 $80
73564 X-ray of knee, 4 or more views 112 96 $11
71250 Ct scan of chest without contrast 105 102 $48
74230 Imaging for evaluation of swallowing function 104 100 $24
73030 X-ray of shoulder, minimum of 2 views 99 88 $9

In context: peer comparison

Among 155 peers in Chicago Diagnostic Radiology Physician, average services per provider: 102. This provider delivers 48× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kevin O'Brien's medical specialty?
Dr. Kevin O'Brien practices Diagnostic Radiology Physician in Chicago, IL.
Where does Dr. Kevin O'Brien practice?
Dr. Kevin O'Brien practices at 7435 W Talcott Ave, Chicago, IL 606313707. Office phone: 7737925261.
What is Dr. Kevin O'Brien's NPI?
Dr. Kevin O'Brien's National Provider Identifier (NPI) is 1346686474, issued by NPPES.
Does Dr. Kevin O'Brien accept Medicare assignment?
Yes. Dr. Kevin O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kevin O'Brien commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); X-ray of chest, 2 views (HCPCS 71046); X-ray of chest, 2 views (HCPCS 71046). Source: CMS Medicare Physician & Other Practitioners file.