Physician Profile
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.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
1901 W HARRISON ST
Chicago, IL 60612
391 services · 384 patients · 14 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Screening mammography | Imaging | 77067 |
137 |
| X-ray of chest, 1 view | Imaging | 71045 |
61 |
| Screening mammography | Imaging | 77067 |
40 |
| Diagnostic mammography of 1 breast | Imaging | 77065 |
23 |
| Diagnostic mammography of both breasts | Imaging | 77066 |
17 |
| Limited ultrasound scan of 1 breast | Imaging | 76642 |
17 |
| X-ray of foot, minimum of 3 views | Imaging | 73630 |
15 |
| X-ray of knee, 3 views | Imaging | 73562 |
12 |
| X-ray of knee, 3 views | Imaging | 73562 |
12 |
| X-ray of chest, 2 views | Imaging | 71046 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Keen is a diagnostic radiology in Chicago, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
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
The number on file is (312) 864-6000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
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
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
Dr. Keen has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
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
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
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.