William Gray Millsap, M.D.
NPI 1124448311ActiveIndividual· Emergency Medicine· Dallas, TX
Emergency Medicine (M.D.) in Dallas, Texas, trained at University of Arkansas College of Medicine (class of 2014). 348 Medicare patients in 2024, $50,083 paid; nearly all of their 902 Part D prescriptions were generic (93%).
Overview
| NPI | 1124448311 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 26, 2014 |
| Last updated in NPPES | Jul 2, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | R2921 | TX |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 348 |
|---|---|
| Services billed | 397 across 24 procedure codes |
| Paid by Medicare | $50,083 |
Part D prescriptions in 2024
| Prescriptions (claims) | 902 · 925 30-day fills |
|---|---|
| Patients | 419 |
| Total drug cost | $13,541 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of Arkansas College of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Emergency Medicine |
Medical group
- Texas Physician Resources, LLPDallas, TX · 95 clinicians
Hospital affiliation
- Methodist Dallas Medical CenterDallas, TX
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 616 emergency medicine physicians in Dallas · All emergency medicine physicians in Texas