Are you Dr. Keen? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 1901 W Harrison St, Chicago, IL 60612
About Dr. Keen
John D. Keen, MD is a healthcare provider in Chicago, IL specializing in diagnostic radiology. John trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 1993. According to Medicare claims data, John cared for 384 Medicare patients across 391 services. The services billed most often include screening mammography, x-ray of chest, 1 view, and screening mammography. This provider record is associated with NPI 1306881560.
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
- (312) 864-6000
- Email not available
Practice Locations
1901 W HARRISON ST
Chicago, IL 60612
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
Breast Imaging
Abdominal imaging
Biopsies
Bone Density
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
391 services · 384 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Screening mammography | Imaging | 77067 |
137 | Less often than most peers in Diagnostic Radiology |
| X-ray of chest, 1 view | Imaging | 71045 |
61 | Less often than most peers in Diagnostic Radiology |
| Screening mammography | Imaging | 77067 |
40 | Less often than most peers in Diagnostic Radiology |
| Diagnostic mammography of 1 breast | Imaging | 77065 |
23 | Less often than most peers in Diagnostic Radiology |
| Diagnostic mammography of both breasts | Imaging | 77066 |
17 | Less often than most peers in Diagnostic Radiology |
| Limited ultrasound scan of 1 breast | Imaging | 76642 |
17 | Less often than most peers in Diagnostic Radiology |
| X-ray of foot, minimum of 3 views | Imaging | 73630 |
15 | Less often than most peers in Diagnostic Radiology |
| X-ray of knee, 3 views | Imaging | 73562 |
12 | Less often than most peers in Diagnostic Radiology |
| X-ray of knee, 3 views | Imaging | 73562 |
12 | Less often than most peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
12 | Less often than most 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 Chicago 8
Same specialty, same city.
Trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 6
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1993 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 Screening mammography 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Keen?
Dr. Keen is a radiologist in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
What is Dr. Keen's address?
Dr. Keen is listed at 1901 W Harrison St, Chicago, IL 60612. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Keen?
The number on file is (312) 864-6000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Keen's NPI number?
Dr. Keen's National Provider Identifier is 1306881560. 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 Dr. Keen train?
Dr. Keen attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Keen been practicing?
Dr. Keen has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Keen perform?
According to Medicare billing data, Dr. Keen performs imaging including screening mammography and x-ray of chest, 1 view. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Keen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Keen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.