Dorene Kay Zerfas, M.D.
NPI 1427299973ActiveIndividual· Surgery· West Bend, WI
Surgery (M.D.) with Froedtert Andthe Medical College of Wisconsin Community Physicians Inc and 1 other group, practicing in West Bend, Wisconsin. 69 Medicare patients in 2024, $26,548 paid; all of their 54 Part D prescriptions were generic. Intuitive Surgical, Inc. reported $3.79 in payments in 2025, mostly food and beverage. Lists Ascension Se Wisconsin Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1427299973 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 12, 2009 |
| Last updated in NPPES | Jul 8, 2026 |
| Certified by provider | Jul 8, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 01076316A | IN |
| Surgery | 208600000X | 270530 | NY |
| Surgery | 208600000X | 71608-20 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 69 |
|---|---|
| Services billed | 184 across 36 procedure codes |
| Paid by Medicare | $26,548 |
Part D prescriptions in 2024
| Prescriptions (claims) | 54 · 54 30-day fills |
|---|---|
| Patients | 30 |
| Total drug cost | $439.51 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | General Surgery |
Medical groups
- Froedtert Andthe Medical College of Wisconsin Community Physicians IncWauwatosa, WI · 1,285 clinicians
- Ascension Medical Group-Southeast Wisconsin IncBrookfield, WI · 545 clinicians
Hospital affiliations
- Ascension Se Wisconsin HospitalMilwaukee, WI
- Community Memorial HospitalMenomonee Falls, WI
- St Josephs Community Hospital West BendWest Bend, WI
Industry payments (Open Payments)
- 2025$3.79 · 1 payment from 1 company
- 2024$27.50 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $3.79 | 1 |
What the 2025 payments were for
- Food and Beverage$3.79 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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