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Edit this profileAt a glance
- 25 North Winfield Road, Winfield, IL 60190
About Dr. Treanor
John C. Treanor, M.D. practices diagnostic radiology in Winfield, IL. John is a 1984 graduate of University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb). Medicare claims data shows John provided 2,573 services to 2,430 patients. The services billed most often include x-ray of chest, 1 view, ct scan of abdomen and pelvis with contrast, and x-ray of chest, 2 views. The provider's National Provider Identifier (NPI) is 1114006145.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (630) 933-4240
- Email not available
Practice Locations
25 NORTH WINFIELD ROAD
Winfield, IL 60190
Conditions Evaluated or Diagnosed
Within Diagnostic Radiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Abdomen & Pelvis
- Abdominal Pain
- Appendicitis
- Diverticulitis
- Enlarged prostate
- Gallstones
- Kidney stones
- Liver Lesions
- Ovarian cysts
Bone & Joint
- Ankle Sprain or Fracture
- Bone fractures
- Heel pain
- Hip osteoarthritis
- Osteoporosis
- Rotator cuff tear
- Torn meniscus
Brain & Head
- Brain aneurysm
- Brain tumor
- Concussion in Children
- Migraines
- Sinus infection
- Transient ischemic attack
Brain & nerves
Breast
Chest & Heart
General
Heart & blood vessels
Joint & bone
Liver & digestion
Lungs & breathing
Men's health
Neck & Thyroid
Nerve pain
Pelvic health
Spine
Spine & back
Vascular
Women's health
Procedures & services
Abdominal imaging
Biopsies
Bone Density
Breast Imaging
CT Scan
Digestive & liver
Fluoroscopy
General imaging
Heart & blood vessels
Joint & bone
MRI
Nuclear Medicine
Pelvic imaging
Screening & Prevention
Spine & back
Ultrasound
- Abdominal Ultrasound
- Carotid Ultrasound
- Leg Vein Ultrasound
- Pelvic ultrasound
- Scrotal Ultrasound
- Thyroid ultrasound
- Ultrasound
Urinary & kidney
Women's health
X-Ray
Procedures Most Often Billed to Medicare
2,573 services · 2,430 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
548 | More often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
230 | More often than most peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
227 | More often than most peers in Diagnostic Radiology |
| Ct scan head or brain without contrast | Imaging | 70450 |
181 | As often as other peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
156 | More often than most peers in Diagnostic Radiology |
| Ct scan of chest without contrast | Imaging | 71250 |
147 | More often than most peers in Diagnostic Radiology |
| Ct scan of chest with contrast | Imaging | 71260 |
111 | More often than most peers in Diagnostic Radiology |
| Ct scan of blood vessels of chest with contrast | Imaging | 71275 |
110 | More often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
81 | As often as other peers in Diagnostic Radiology |
| X-ray of abdomen, 1 view | Imaging | 74018 |
68 | As often as other peers in Diagnostic Radiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other radiologists in Winfield 8
Same specialty, same city.
Trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1984 at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 1 view 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is John C. Treanor?
John C. Treanor is a radiologist in Winfield, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
What is John C. Treanor's address?
John C. Treanor is listed at 25 North Winfield Road, Winfield, IL 60190. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with John C. Treanor?
The number on file is (630) 933-4240. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John C. Treanor?
John C. Treanor's National Provider Identifier is 1114006145. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did John C. Treanor train?
John C. Treanor attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
How much experience does John C. Treanor have?
John C. Treanor has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
What procedures does John C. Treanor perform?
According to Medicare billing data, John C. Treanor performs imaging including x-ray of chest, 1 view and ct scan of abdomen and pelvis with contrast; provides treatments such as ultrasound study of one arm or leg veins with compression and maneuvers and ultrasound study of arm or leg veins with compression and maneuvers. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is John C. Treanor's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John C. Treanor. If this is you, claiming it is free.
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