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Edit this profileAt a glance
- 938 Bannock St, Ste 300, Denver, CO 80204
About Dr. Johnston
Robert J. Johnston, M.D. is a healthcare provider in Denver, CO specializing in diagnostic radiology. Robert trained at University of Colorado School of Medicine, Denver, graduating in 1984. According to Medicare claims data, Robert cared for 1,091 Medicare patients across 1,178 services. 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. This provider record is associated with NPI 1225049000.
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
- (303) 914-8800
- Email not available
Practice Locations
938 BANNOCK ST STE 300
Denver, CO 80204
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
1,178 services · 1,091 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
343 | As often as other peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
120 | As often as other peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
107 | As often as other peers in Diagnostic Radiology |
| Ct scan of blood vessels of chest with contrast | Imaging | 71275 |
88 | More often than most peers in Diagnostic Radiology |
| X-ray of abdomen, 1 view | Imaging | 74018 |
67 | As often as other peers in Diagnostic Radiology |
| Ct scan of chest without contrast | Imaging | 71250 |
64 | As often as other peers in Diagnostic Radiology |
| Ct scan of chest with contrast | Imaging | 71260 |
47 | As often as other peers in Diagnostic Radiology |
| Ct scan of blood vessels of abdomen and pelvis with contrast | Imaging | 74174 |
34 | As often as other peers in Diagnostic Radiology |
| X-ray of hip, 2-3 views | Imaging | 73502 |
29 | Less often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
27 | 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.
Other radiologists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 31 related providers in 4 groups
Other radiologists in Denver 8
Same specialty, same city.
Trained at University of Colorado School of Medicine, Denver 8
Other providers in the same specialty who trained at the same institution.
Class of 1984 at University of Colorado School of Medicine, Denver 7
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 1 view 8
Providers in CO who bill this service to Medicare most often.
Common questions
What kind of doctor is Robert J. Johnston?
Robert J. Johnston is a radiologist in Denver, CO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
What is Robert J. Johnston's address?
Robert J. Johnston is listed at 938 Bannock St Ste 300, Denver, CO 80204. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Robert J. Johnston?
The number on file is (303) 914-8800. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Robert J. Johnston's NPI number?
Robert J. Johnston's National Provider Identifier is 1225049000. 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 Robert J. Johnston train?
Robert J. Johnston attended University of Colorado School of Medicine, Denver, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
How long has Robert J. Johnston been practicing?
Robert J. Johnston has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
What procedures does Robert J. Johnston perform?
According to Medicare billing data, Robert J. Johnston 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 complete ultrasound of abdomen and pelvis artery and vein blood flow. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Robert J. Johnston confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Robert J. Johnston. If this is you, claiming it is free.
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