Physician Profile
Unclaimed ProfileAbout JOHNSON
Christopher Ryan Johnson, M.D. practises diagnostic radiology in Chicago, IL. Christopher is a 2011 graduate of Rush Medical College of Rush University. Christopher is also listed as specialising in vascular & interventional radiology and student in an organized health care education program.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Johnson's specialty?
Dr. Johnson 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
Where can I find Dr. Johnson?
Dr. Johnson is listed at 5841 S MARYLAND AVE DEPARTMENT OF RADIOLOGY, Chicago, IL 60637. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Johnson?
The number on file is (773) 702-6161. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Johnson?
Dr. Johnson's National Provider Identifier is 1407298599. 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
What is Dr. Johnson's medical education?
Dr. Johnson attended Rush Medical College of Rush University, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Johnson have?
Dr. Johnson has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Johnson known for?
According to Medicare billing data, Dr. Johnson performs imaging including x-ray of chest, 1 view and ct scan head or brain without contrast; provides treatments such as use of a drug to induce depression of consciousness by physician performing a procedure , initial 15 minutes. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Johnson's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Johnson. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (773) 702-6161
- Email not available
Practice Locations
5841 S MARYLAND AVE DEPARTMENT OF RADIOLOGY
Chicago, IL 60637
Procedures Most Often Billed to Medicare
5,922 services · 3,899 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
1,481 |
| Ct scan head or brain without contrast | Imaging | 70450 |
258 |
| X-ray of abdomen, 1 view | Imaging | 74018 |
222 |
| X-ray of chest, 2 views | Imaging | 71046 |
178 |
| Ct scan of chest without contrast | Imaging | 71250 |
163 |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
157 |
| X-ray of hip, 2-3 views | Imaging | 73502 |
136 |
| Ct scan of upper spine without contrast | Imaging | 72125 |
134 |
| Ct scan of blood vessels of neck with contrast | Imaging | 70498 |
133 |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
124 |
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.
Other diagnostic radiology specialists at this location 2
Same specialty, same street address — most likely the same department or group.
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 diagnostic radiology specialists in Chicago 7
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Rush Medical College of Rush University 7
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Rush Medical College of Rush University 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.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.