Doctor profile · Federal record

Dr. Timothy Oconnell, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Clarendon Hills, IL

  • NPI 1194766618
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
201 Norfolk Ave
Clarendon Hills, IL 605141146
(312) 318-9827

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
October 14, 2008
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Illinois #036104316

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194766618. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,085
Distinct HCPCS
10
Medicare allowed
$76,236
HCPCS Description Services Patients Avg allowed
71045 X-ray of chest, 1 view 523 491 $9
70450 Ct scan head or brain without contrast 320 313 $41
74177 Ct scan of abdomen and pelvis with contrast 131 130 $87
74176 Ct scan of abdomen and pelvis without contrast 94 93 $85
71275 Ct scan of blood vessels of chest with contrast 91 90 $87
72125 Ct scan of upper spine without contrast 89 88 $48
93971 Ultrasound study of one arm or leg veins with compression and maneuvers 66 66 $22
71046 X-ray of chest, 2 views 51 51 $11
93970 Ultrasound study of arm or leg veins with compression and maneuvers 47 46 $35
70496 Ct scan of blood vessels of head with contrast 45 44 $86

In context: peer comparison

Among 1 peers in this city , average services per provider: 54. This provider delivers 39× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Oconnell's medical specialty?
Dr. Timothy Oconnell practices Diagnostic Radiology Physician in Clarendon Hills, IL.
Where does Dr. Timothy Oconnell practice?
Dr. Timothy Oconnell practices at 201 Norfolk Ave, Clarendon Hills, IL 605141146. Office phone: 3123189827.
What is Dr. Timothy Oconnell's NPI?
Dr. Timothy Oconnell's National Provider Identifier (NPI) is 1194766618, issued by NPPES.
Does Dr. Timothy Oconnell accept Medicare assignment?
Yes. Dr. Timothy Oconnell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Oconnell commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); Ct scan head or brain without contrast (HCPCS 70450); Ct scan of abdomen and pelvis with contrast (HCPCS 74177). Source: CMS Medicare Physician & Other Practitioners file.