William G. Irr Jr., MD
NPI 1801858097ActiveIndividual· Psychiatry & Neurology, Neurology· Bellaire, TX
Psychiatry & Neurology, Neurology (MD) in Bellaire, Texas, trained at West Virginia University School of Medicine (class of 1991). 432 Medicare patients in 2024, $1,060,587 paid; nearly all of their 3,194 Part D prescriptions were generic (92%). Abbvie Inc. was the largest of 34 companies reporting payments in 2025, $4,686 in all, mostly food and beverage.
Overview
| NPI | 1801858097 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 4, 2006 |
| Last updated in NPPES | Jul 11, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | J8279 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 432 |
|---|---|
| Services billed | 24,562 across 36 procedure codes |
| Paid by Medicare | $1,060,587 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,194 · 6,861 30-day fills |
|---|---|
| Patients | 484 |
| Total drug cost | $808,599 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | West Virginia University School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical groups
- Legacy Healthcare Services IncGreenville, SC · 3,223 clinicians
- Mhs Physicians of TexasSugar Land, TX · 113 clinicians
Hospital affiliations
- Houston Methodist HospitalHouston, TX
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Houston Physicians HospitalWebster, TX
- Memorial Hermann Memorial City HospitalHouston, TX
Industry payments (Open Payments)
- 2025$4,686 · 208 payments from 34 companies
- 2024$5,615 · 270 payments from 27 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $776.25 | 37 |
| Sk Life Science, Inc. | $336.69 | 14 |
| Otsuka America Pharmaceutical, Inc. | $280.88 | 9 |
| Pfizer Inc. | $243.70 | 11 |
| Alexion Pharmaceuticals, Inc. | $235.14 | 10 |
What the 2025 payments were for
- Food and Beverage$4,686 · 208 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Psychiatry & Neurology, Neurology providers in Bellaire
- 1104887751
- 1689960361
- 1609693316
- 1982994448
- 1437404563
- 1912983511
- 1144285842