Siwen Liu, D.O.
NPI 1972037158ActiveIndividual· Surgery· Baldwin, WI
Surgery (D.O.) with Baldwin Area Medical Center Inc, practicing in Baldwin, Wisconsin. Part D covered 67 prescriptions written in 2024, 97% of them generic. Davol Inc. was the largest of 3 companies reporting payments in 2025, $3,528 in all, mostly education. Lists Western Wisconsin Health as a hospital affiliation.
Overview
| NPI | 1972037158 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 14, 2017 |
| Last updated in NPPES | Dec 29, 2023 |
| Certified by provider | Dec 29, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 81075 | WI |
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 - General Surgery (WI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 67 · 67 30-day fills |
|---|---|
| Patients | 32 |
| Total drug cost | $517.70 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | General Surgery |
Medical group
- Baldwin Area Medical Center IncBaldwin, WI · 89 clinicians
Hospital affiliation
- Western Wisconsin HealthBaldwin, WI
Industry payments (Open Payments)
- 2025$3,528 · 17 payments from 3 companies
- 2024$3,039 · 16 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Davol Inc. | $1,907 | 12 |
| Intuitive Surgical, Inc. | $1,523 | 4 |
| Medtronic, Inc. | $98.06 | 1 |
What the 2025 payments were for
- Education$1,500 · 1 payment
- Travel and Lodging$1,180 · 3 payments
- Food and Beverage$847.76 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other general surgeons in Baldwin
- 1346465739
- 1053445411