Doctor profile · Federal record

Dr. John Treanor, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Winfield, IL

  • NPI 1114006145
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
25 North Winfield Road
Winfield, IL 60190
(630) 933-4240
Mailing address
3132 Treesdale CT
Naperville, IL 60564

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
July 9, 2007
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Illinois #036-073639

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114006145. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,737
Distinct HCPCS
10
Medicare allowed
$139,957
HCPCS Description Services Patients Avg allowed
71045 X-ray of chest, 1 view 604 510 $9
74177 Ct scan of abdomen and pelvis with contrast 242 232 $91
70450 Ct scan head or brain without contrast 205 198 $41
71046 X-ray of chest, 2 views 189 187 $11
71250 Ct scan of chest without contrast 151 148 $54
71046 X-ray of chest, 2 views 148 139 $11
77080 Dxa bone density measurement of hip, pelvis, spine 123 123 $10
77092 Interpretation of trabecular bone score (tbs) and report on fracture risk 119 119 $10
74176 Ct scan of abdomen and pelvis without contrast 104 98 $87
71275 Ct scan of blood vessels of chest with contrast 99 97 $90

In context: peer comparison

Among 5 peers in this city , average services per provider: 68. This provider delivers 55× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Treanor's medical specialty?
Dr. John Treanor practices Diagnostic Radiology Physician in Winfield, IL.
Where does Dr. John Treanor practice?
Dr. John Treanor practices at 25 North Winfield Road, Winfield, IL 60190. Office phone: 6309334240.
What is Dr. John Treanor's NPI?
Dr. John Treanor's National Provider Identifier (NPI) is 1114006145, issued by NPPES.
Does Dr. John Treanor accept Medicare assignment?
Yes. Dr. John Treanor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Treanor commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); Ct scan of abdomen and pelvis with contrast (HCPCS 74177); Ct scan head or brain without contrast (HCPCS 70450). Source: CMS Medicare Physician & Other Practitioners file.