William Hsu, MD
NPI 1578854725ActiveIndividual· Internal Medicine· Evansville, IN
Internal Medicine (MD) with St Vincent Physician Services Hospital and Health Care Center and 3 other groups, practicing in Evansville, Indiana. 143 Medicare patients in 2024, $25,992 paid; nearly all of their 106 Part D prescriptions were generic (92%). Abbvie Inc. reported $114.88 in payments in 2025, mostly food and beverage. Lists Ascension St Vincent Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1578854725 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 22, 2011 |
| Last updated in NPPES | Dec 23, 2025 |
| Certified by provider | Dec 23, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 24560 | NH |
| Hospitalist | 208M00000X | 24560 | NH |
| Internal Medicine | 207R00000X | 01080315A | IN |
| Internal Medicine | 207R00000X | 072370 | GA |
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 - Internal Medicine (GA); Practitioner - Internal Medicine (IN); Practitioner - Hospitalist (KS); Practitioner - Internal Medicine (NH); Practitioner - Internal Medicine (TN); Practitioner - Hospitalist (VT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 143 |
|---|---|
| Services billed | 332 across 10 procedure codes |
| Paid by Medicare | $25,992 |
Part D prescriptions in 2024
| Prescriptions (claims) | 106 · 112 30-day fills |
|---|---|
| Patients | 59 |
| Total drug cost | $4,726 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Hospitalist |
Medical groups
- St Vincent Physician Services Hospital and Health Care CenterIndianapolis, IN · 275 clinicians
- Southwestern Vermont Medical Center, IncBennington, VT · 176 clinicians
- Memorial HospitalNorth Conway, NH · 78 clinicians
- Carepoint Hospital Medicine Kansas LLCWichita, KS · 49 clinicians
Hospital affiliations
- Ascension St Vincent HospitalIndianapolis, IN
- Brattleboro Memorial HospitalBrattleboro, VT
- Southwestern Vermont Medical CenterBennington, VT
- Susan B Allen Memorial HospitalEl Dorado, KS
- Wesley Medical CenterWichita, KS
Industry payments (Open Payments)
- 2025$114.88 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $114.88 | 1 |
What the 2025 payments were for
- Food and Beverage$114.88 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 120 internal medicine physicians in Evansville · All internal medicine physicians in Indiana