DR. NICHOLAS EDWARD ARMSTRONG (M.D.) – Diagnostic Radiology Physician, NPI 1134418759
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
384 DIAGNOSTIC RADIOLOGY in OK
Provider Addresses for DR. NICHOLAS EDWARD ARMSTRONG (M.D.)
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 731124418
Phone: (405) 951-2277
Type: Mailing
3433 NW 56TH, SUITE C-40
OKLAHOMA CITY, OK 731124455
Phone: (405) 945-4741
Fax: (888) 972-5320
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2015-08-07
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 |
|---|---|---|---|---|
| I20150807015206 | I | Diagnostic Radiology | OK | 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 | 1,469 | 1,107 | $0 |
| 70450 | Ct scan head or brain without contrast | 353 | 334 | $0 |
| 71046 | X-ray of chest, 2 views | 244 | 240 | $0 |
| 74018 | X-ray of abdomen, 1 view | 240 | 208 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 236 | 228 | $0 |
Insurance plans in this area (ZIP 73112)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | OK | |
| Diagnostic Radiology | OK | |
| Diagnostic Radiology | TX | |
| Diagnostic Radiology | OK | |
| Diagnostic Radiology | OK | |
| Interventional Radiology | TN | |
| Diagnostic Radiology | OK | |
| Diagnostic Radiology | OK | |
| Diagnostic Radiology | OK | |
| Diagnostic Radiology | TN |
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