William J. Barker, MD
NPI 1770599847ActiveIndividual· Emergency Medicine, Emergency Medical Services· Warrenton, VA
Emergency Medicine, Emergency Medical Services (MD) in Warrenton, Virginia, licensed in VA, with an NPI issued in July 2006. In 2024 Medicare paid $28,088 for 203 patients, and Part D covered 147 of their prescriptions, 83% of them generic.
Overview
| NPI | 1770599847 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 31, 2006 |
| Last updated in NPPES | Apr 30, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine, Emergency Medical Services Primary | 207PE0004X | 0101036994 | VA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (DC); Practitioner - Emergency Medicine (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 203 |
|---|---|
| Services billed | 231 across 17 procedure codes |
| Paid by Medicare | $28,088 |
Part D prescriptions in 2024
| Prescriptions (claims) | 147 · 147 30-day fills |
|---|---|
| Patients | 97 |
| Total drug cost | $4,484 |
| Generic share | 83% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Emergency Medicine, Emergency Medical Services providers in Warrenton
- 1700988664
- 1104832278
- 1487660551
- 1346256427
- 1750395612
- 1356355226
- 1306850268
- 1013921972
- 1992719843
- 1447266580
- 1043226111
- 1003822149
All Emergency Medicine, Emergency Medical Services providers in Virginia →