DR. WILLIAM HAYES ARMSTRONG (MD) – Emergency Medicine Physician, NPI 1245960293
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,497 EMERGENCY MEDICINE in VA
Provider Addresses for DR. WILLIAM HAYES ARMSTRONG (MD)
VCUHS Dept of Emergency Medicine Residency
1250 E. Marshall Street
Richmond, VA 232980401
Phone: (804) 828-0996
Type: Location
PO BOX 980257
RICHMOND, VA 232980257
Phone: (804) 828-9783
Type: Mailing
VCUHS DEPT OF EMERGENCY MEDICINE RESIDENCY
1250 E. MARSHALL STREET
RICHMOND, VA 232980401
Phone: (804) 828-0996
Type: Location
1401 S GRAND AVE
LOS ANGELES, CA 900153010
Phone: (213) 748-2411
Type: Mailing
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 $20.
Total Amount is formed as General ($20) + Research ($0) + Ownership ($0) = $20.
Last reported payment date: 2024-02-26 • Largest payer in this snapshot: CSL Behring ($20).
Total Amount
$20
General + Research + Ownership
Payments
1
Total payment records
General Amount
$20
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-02-26
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| CSL Behring | $20 |
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: 2025-07-14
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 |
|---|---|---|---|---|
| I20250714003037 | I | Emergency Medicine | CA | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 23298)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| - | NY | |
| - | CA | |
| Emergency Medicine | NC | |
| Emergency Medicine | CA | |
| - | CA | |
| Emergency Medicine | MA | |
| - | CA | |
| - | CA |
Reviews
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