Marcio A. Shiokawa, MD
NPI 1629388475ActiveIndividual· Hospitalist· Fond Du Lac, WI
Hospitalist (MD) with Agnesian Healthcare Inc, practicing in Fond Du Lac, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $92,532 for 1,243 claims, against $47,117 paid for services in 2024. Abbvie Inc. reported $33.39 in payments in 2025, mostly food and beverage. Lists Ssm Health St Agnes Hospital-Fond Du Lac and 1 other hospital as hospital affiliations.
Overview
| NPI | 1629388475 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 14, 2010 |
| Last updated in NPPES | Nov 17, 2022 |
| Certified by provider | Dec 1, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 64649 | WI |
| Internal Medicine | 207R00000X | MT 194536 | PA |
| Internal Medicine | 207R00000X | 64649 | 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 | 217 |
|---|---|
| Services billed | 593 across 14 procedure codes |
| Paid by Medicare | $47,117 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,243 · 1,589 30-day fills |
|---|---|
| Patients | 242 |
| Total drug cost | $92,532 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical group
- Agnesian Healthcare IncWaupun, WI · 388 clinicians
Hospital affiliations
- Ssm Health St Agnes Hospital-Fond Du LacFond Du Lac, WI
- Waupun Memorial HospitalWaupun, WI
Other facilities
- Ssm Health at Home HospiceHospice · Fond Du Lac, WI
Industry payments (Open Payments)
- 2025$33.39 · 2 payments from 1 company
- 2024$19.04 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $33.39 | 2 |
What the 2025 payments were for
- Food and Beverage$33.39 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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