Billy Wayne Jefferson Jr., DO
NPI 1407423809ActiveIndividual· Emergency Medicine· Hattiesburg, MS
Emergency Medicine (DO) in Hattiesburg, Mississippi, trained at William Carey University College of Osteopathic Medicine (class of 2021). 428 Medicare patients in 2024, $55,575 paid; nearly all of their 238 Part D prescriptions were generic (95%). Abbvie Inc. reported $23.85 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1407423809 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Jun 5, 2021 |
| Last updated in NPPES | Jul 29, 2025 |
| Certified by provider | Jul 29, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 32525 | MS |
| Emergency Medicine | 207P00000X | 337599 | LA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (LA); Practitioner - Emergency Medicine (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 428 |
|---|---|
| Services billed | 583 across 23 procedure codes |
| Paid by Medicare | $55,575 |
Part D prescriptions in 2024
| Prescriptions (claims) | 238 · 238 30-day fills |
|---|---|
| Patients | 175 |
| Total drug cost | $2,155 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | William Carey University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Southwest Mississippi Regional Medical CenterMcComb, MS · 83 clinicians
- Cross Lake Emergency Group, LLCShreveport, LA · 61 clinicians
- Relias Emergency Medicine Specialists of Hattiesburg LLCHattiesburg, MS · 48 clinicians
- Highland Emergency Group, LLCBossier City, LA · 41 clinicians
- Kisatchie Emergency Group LLCLeesville, LA · 19 clinicians
- Webster Emergency Group LLCMinden, LA · 16 clinicians
- Cotton Emergency Group LLCArcadia, LA · 6 clinicians
Hospital affiliations
- Byrd Regional HospitalLeesville, LA
- Christus Shreveport-Bossier Health SystemShreveport, LA
- Forrest General HospitalHattiesburg, MS
- Marion General HospitalColumbia, MS
- Willis Knighton Medical CenterShreveport, LA
Industry payments (Open Payments)
- 2025$23.85 · 1 payment from 1 company
- 2024$15.69 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $23.85 | 1 |
What the 2025 payments were for
- Food and Beverage$23.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 47 emergency medicine physicians in Hattiesburg · All emergency medicine physicians in Mississippi