DR. ALEXANDER JAMES KIEGER (M.D.) – Diagnostic Radiology Physician, NPI 1508120874
Diagnostic Radiology Physician
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Profile Insights
NPPES metrics only — not quality of care.
269 INTERVENTIONAL RADIOLOGY in VA
Provider Addresses for DR. ALEXANDER JAMES KIEGER (M.D.)
500 Hospital Dr
Warrenton, VA 201863027
Phone: (540) 316-5000
Type: Location
7586 LOWER WATERLOO RD
WARRENTON, VA 201868759
Phone:
Type: Mailing
500 HOSPITAL DR
WARRENTON, VA 201863027
Phone: (651) 491-7735
Type: Location
550 BROADVIEW AVE STE 102
WARRENTON, VA 201862036
Phone: (540) 680-3433
Type: Mailing
1800 W CHARLESTON BLVD
LAS VEGAS, NV 891022386
Phone: (702) 383-2000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 57 Open Payments records for all available years, with a total value of $2,520.
Total Amount is formed as General ($2,520) + Research ($0) + Ownership ($0) = $2,520.
Last reported payment date: 2024-12-04 • Largest payer in this snapshot: Bard Peripheral Vascular, Inc. ($971).
Total Amount
$2,520
General + Research + Ownership
Payments
57
Total payment records
General Amount
$2,520
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-04
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2024-10-11
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20180807003581 | I | Interventional Radiology | VA | TBD |
| I20241011002756 | I | Interventional Radiology | NV | 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 |
|---|---|---|---|---|
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 2,250 | 22 | $0 |
| J1644 | Injection, heparin sodium, per 1000 units | 285 | 29 | $0 |
| 99153 | Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes | 180 | 29 | $0 |
| 37253 | Ultrasound evaluation of blood vessel with review by radiologist, each additional vessel | 165 | 28 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 151 | 89 | $0 |
Insurance plans in this area (ZIP 20186)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | NV | |
| Diagnostic Radiology | TX | |
| - | NV | |
| - | NV | |
| - | NV | |
| - | NV | |
| General Surgery | NV | |
| Nurse Practitioner | NV | |
| - | NV | |
| Diagnostic Radiology | TX |
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