Sigmund Hsu, M.D.
NPI 1952400350ActiveIndividual· Psychiatry & Neurology, Neurology· Houston, TX
Psychiatry & Neurology, Neurology (M.D.) in Houston, Texas, trained at Warren Alpert Medical School of Brown University (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $141,486 for 878 claims, against $43,926 paid for services in 2024. Jazz Pharmaceuticals Inc. reported $17.94 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1952400350 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 22, 2006 |
| Last updated in NPPES | Mar 13, 2020 |
| Certified by provider | Mar 13, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | L4450 | 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 | 76 |
|---|---|
| Services billed | 745 across 17 procedure codes |
| Paid by Medicare | $43,926 |
Part D prescriptions in 2024
| Prescriptions (claims) | 878 · 1,266 30-day fills |
|---|---|
| Patients | 91 |
| Total drug cost | $141,486 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Warren Alpert Medical School of Brown University |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Ut PhysiciansHouston, TX · 213 clinicians
Hospital affiliations
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Memorial City HospitalHouston, TX
Industry payments (Open Payments)
- 2025$17.94 · 1 payment from 1 company
- 2024$19.15 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Jazz Pharmaceuticals Inc. | $17.94 | 1 |
What the 2025 payments were for
- Food and Beverage$17.94 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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