ROBERT J JOHNSTON (M.D.) – Diagnostic Radiology Physician, NPI 1225049000
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
927 DIAGNOSTIC RADIOLOGY in CO
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Provider Addresses for ROBERT J JOHNSTON (M.D.)
Brandt Andrew Jamroz, 938, Bannock Street, Golden Triangle, Denver, Denver County, Colorado, 80204, United States
STE 300
DENVER, CO 802044028
Phone: (303) 914-8800
Fax: (303) 716-3777
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $56.
Total Amount is formed as General ($56) + Research ($0) + Ownership ($0) = $56.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: MERZ NORTH AMERICA, INC. ($56).
Total Amount
$56
General + Research + Ownership
Payments
1
Total payment records
General Amount
$56
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| MERZ NORTH AMERICA, INC. | $56 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2003-11-26
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20031126000385 | I | Diagnostic Radiology | CO | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 71045 | X-ray of chest, 1 view | 350 | 327 | $0 |
| 71046 | X-ray of chest, 2 views | 97 | 96 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 88 | 87 | $0 |
| 71275 | Ct scan of blood vessels of chest with contrast | 71 | 71 | $0 |
| 74176 | Ct scan of abdomen and pelvis without contrast | 49 | 49 | $0 |
Insurance plans in this area (ZIP 80204)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | CO | 71010 | X-ray of chest, 1 view, front | 400 | 325 |
| DIAGNOSTIC RADIOLOGY | CO | 71250 | CT scan chest | 69 | 68 |
| DIAGNOSTIC RADIOLOGY | CO | 73562 | X-ray of knee, 3 views | 33 | 30 |
| DIAGNOSTIC RADIOLOGY | CO | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 66 | 59 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | PA | |
| Diagnostic Radiology, Interventional Radiology, Diagnostic Radiology | CO | |
| Diagnostic Radiology, Interventional Radiology, Nuclear Medicine | CO | |
| Diagnostic Radiology, Interventional Radiology | CO | |
| Diagnostic Radiology | CO | |
| - | CO | |
| Diagnostic Radiology | TN | |
| Diagnostic Radiology | NC | |
| Diagnostic Radiology | CO | |
| - | CO |
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