William G. Ondo, M.D.
NPI 1851471437ActiveIndividual· Psychiatry & Neurology, Neurology· Houston, TX
Psychiatry & Neurology, Neurology (M.D.) in Houston, Texas, trained at Virginia Commonwealth University, School of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $3,855,291 for 5,065 claims, against $342,521 paid for services in 2024. Teva Pharmaceuticals USA, Inc. was the largest of 22 companies reporting payments in 2025, $217,109 in all, mostly speaking and faculty fees.
Overview
| NPI | 1851471437 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 17, 2006 |
| Last updated in NPPES | Oct 18, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | K0969 | 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 | 395 |
|---|---|
| Services billed | 44,648 across 29 procedure codes |
| Paid by Medicare | $342,521 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,065 · 9,453 30-day fills |
|---|---|
| Patients | 549 |
| Total drug cost | $3,855,291 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | Virginia Commonwealth University, School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical groups
- Tmh Physician Associates PLLCKaty, TX · 1,690 clinicians
- Houston Methodist Specialty PhysiciansHouston, TX · 1,528 clinicians
Hospital affiliations
- Houston Methodist HospitalHouston, TX
- Houston Methodist the Woodlands HospitalThe Woodlands, TX
Industry payments (Open Payments)
- 2025$217,109 · 308 payments from 22 companies
- 2024$209,609 · 324 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Teva Pharmaceuticals USA, Inc. | $57,972 | 42 |
| Mdd US Operations, LLC | $38,378 | 56 |
| Acadia Pharmaceuticals Inc | $37,421 | 43 |
| Neurocrine Biosciences, Inc. | $30,896 | 45 |
| Abbvie Inc. | $21,767 | 55 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$128,165 · 32 payments
- Consulting Fee$34,815 · 13 payments
- Honoraria$28,752 · 16 payments
- Travel and Lodging$17,314 · 79 payments
- Food and Beverage$6,615 · 167 payments
- Education$1,448 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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