Elliot Alfred Hwang, MD
NPI 1477181832ActiveIndividual· Hospitalist· Marshfield, WI
Hospitalist (MD) with McHs Hospitals Inc, practicing in Marshfield, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $29,055 for 219 claims, against $4,235 paid for services in 2024. Amgen Inc. was the largest of 6 companies reporting payments in 2025, $416.91 in all, mostly food and beverage. Lists Marshfield Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1477181832 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 31, 2020 |
| Last updated in NPPES | Apr 20, 2026 |
| Certified by provider | Apr 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 82171 | 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 - Hospitalist (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 32 |
|---|---|
| Services billed | 43 across 9 procedure codes |
| Paid by Medicare | $4,235 |
Part D prescriptions in 2024
| Prescriptions (claims) | 219 · 544 30-day fills |
|---|---|
| Patients | 56 |
| Total drug cost | $29,055 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical group
- McHs Hospitals IncMarshfield, WI · 1,197 clinicians
Hospital affiliations
- Marshfield Medical CenterMarshfield, WI
- Marshfield Medical Center - WestonWeston, WI
Industry payments (Open Payments)
- 2025$416.91 · 9 payments from 6 companies
- 2024$340.67 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $150.00 | 2 |
| Actelion Pharmaceuticals US, Inc. | $89.00 | 1 |
| Abiomed | $72.45 | 3 |
| Pfizer Inc. | $47.81 | 1 |
| Impulse Dynamics (USA) Inc. | $41.93 | 1 |
What the 2025 payments were for
- Food and Beverage$327.91 · 8 payments
- Education$89.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other hospitalists in Marshfield
- 1053087916
- 1548623986
- 1073742672
- 1174131395
- 1235443540
- 1265639884
- 1326156654
- 1376068262
- 1407342561
- 1407465677
- 1417574435
- 1437388535
All 43 hospitalists in Marshfield · All hospitalists in Wisconsin