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Edit this profileAt a glance
- 5841 S Maryland Ave, Chicago, IL 60637
About John Collins
Based in Chicago, IL, John Collins is listed in the NPI registry under diagnostic radiology. John graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2006. According to Medicare claims data, John cared for 631 Medicare patients across 669 services. The services billed most often include ct scan head or brain without contrast, mri scan of brain before and after contrast, and ct scan of blood vessels of head with contrast. NPI 1497086722 identifies this record in the national registry.
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
- (888) 824-0200
- Email not available
Practice Locations
5841 S MARYLAND AVE
Chicago, IL 60637
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
669 services · 631 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ct scan head or brain without contrast | Imaging | 70450 |
204 | As often as other peers in Diagnostic Radiology |
| Mri scan of brain before and after contrast | Imaging | 70553 |
82 | As often as other peers in Diagnostic Radiology |
| Ct scan of blood vessels of head with contrast | Imaging | 70496 |
65 | As often as other peers in Diagnostic Radiology |
| Ct scan of blood vessels of neck with contrast | Imaging | 70498 |
62 | As often as other peers in Diagnostic Radiology |
| Mri scan of brain without contrast | Imaging | 70551 |
44 | As often as other peers in Diagnostic Radiology |
| Ct scan of soft tissue of neck with contrast | Imaging | 70491 |
33 | More often than most peers in Diagnostic Radiology |
| Ct scan of face without contrast | Imaging | 70486 |
22 | Less often than most peers in Diagnostic Radiology |
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
21 | Less often than most peers in Diagnostic Radiology |
| Ct scan of soft tissue of neck with contrast | Imaging | 70491 |
19 | More often than most peers in Diagnostic Radiology |
| Mri scan of brain before and after contrast | Imaging | 70553 |
18 | 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.
Other radiologists 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 radiologists in Chicago 7
Same specialty, same city.
More connections — 21 related providers in 3 groups
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.
Class of 2006 at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 7
Providers who graduated from the same medical school in the same year.
Also performs Ct scan head or brain without contrast 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does John Collins specialize in?
John Collins 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
Where is John Collins located?
John Collins is listed at 5841 S Maryland Ave, Chicago, IL 60637. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is John Collins's phone number?
The number on file is (888) 824-0200. Contact the office directly to confirm availability and scheduling.
NPI registry
What is John Collins's NPI number?
John Collins's National Provider Identifier is 1497086722. 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 Collins train?
John Collins attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How long has John Collins been practicing?
John Collins has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What does John Collins do most often?
According to Medicare billing data, John Collins performs imaging including ct scan head or brain without contrast and mri scan of brain before and after contrast. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has John Collins confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John Collins. If this is you, claiming it is free.
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