Roger Weibar Hsiung, M.D.
NPI 1578687661ActiveIndividual· Colon & Rectal Surgery· Las Vegas, NV
Colon & Rectal Surgery (M.D.) in Las Vegas, Nevada, trained at George Washington University School of Medicine (class of 2002). In 2024 Medicare paid $109,185 for 252 patients, and Part D covered 151 of their prescriptions, 70% of them generic. Activ Surgical, Inc. was the largest of 2 companies reporting payments in 2025, $38,323 in all, mostly consulting fees.
Overview
| NPI | 1578687661 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 16, 2007 |
| Last updated in NPPES | Mar 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | LL1438 | NV |
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 - Colorectal Surgery (Proctology) (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 252 |
|---|---|
| Services billed | 905 across 47 procedure codes |
| Paid by Medicare | $109,185 |
Part D prescriptions in 2024
| Prescriptions (claims) | 151 · 151 30-day fills |
|---|---|
| Patients | 102 |
| Total drug cost | $7,987 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Colorectal Surgery (Proctology) |
| Secondary specialties | General Surgery |
Hospital affiliation
- Summerlin Hospital Medical CenterLas Vegas, NV
Industry payments (Open Payments)
- 2025$38,323 · 9 payments from 2 companies
- 2024$2,434 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Activ Surgical, Inc. | $38,300 | 7 |
| Kerecis Limited | $23.19 | 2 |
What the 2025 payments were for
- Consulting Fee$38,300 · 7 payments
- Food and Beverage$23.19 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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