Marcelo U. Grazziotin, M.D.
NPI 1497758072ActiveIndividual· Surgery· Green Bay, WI
Surgery (M.D.) with Bellin Memorial Hospital Inc and 1 other group, practicing in Green Bay, Wisconsin. 98 Medicare patients in 2024, $27,112 paid; nearly all of their 110 Part D prescriptions were generic (98%). Davol Inc. reported $183.42 in payments in 2025, mostly food and beverage. Lists Bellin Health Oconto Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1497758072 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 27, 2005 |
| Last updated in NPPES | Jul 26, 2022 |
| Certified by provider | Jul 26, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 46257-20 | WI |
| Specialist | 174400000X | 46257 | 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 - Vascular Surgery (MI); Practitioner - General Surgery (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 98 |
|---|---|
| Services billed | 192 across 49 procedure codes |
| Paid by Medicare | $27,112 |
Part D prescriptions in 2024
| Prescriptions (claims) | 110 · 112 30-day fills |
|---|---|
| Patients | 94 |
| Total drug cost | $1,125 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Vascular Surgery |
| Secondary specialties | General Surgery |
Medical groups
- Bellin Memorial Hospital IncGreen Bay, WI · 697 clinicians
- Oconto Hospital and Medical Center IncMarinette, WI · 222 clinicians
Hospital affiliations
- Bellin Health Oconto HospitalOconto, WI
- Bellin Memorial HospitalGreen Bay, WI
Industry payments (Open Payments)
- 2025$183.42 · 2 payments from 1 company
- 2024$28.50 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Davol Inc. | $183.42 | 2 |
What the 2025 payments were for
- Food and Beverage$183.42 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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