Hans Christian Diederich, MD
NPI 1548006877ActiveIndividual· Anesthesiology· Milwaukee, WI
Anesthesiology (MD) with The Medical College of Wisconsin Inc, practicing in Milwaukee, Wisconsin. Medicare paid $17,983 for services to 144 patients in 2024. Fisher & Paykel Healthcare Inc was the largest of 2 companies reporting payments in 2025, $90.88 in all, mostly food and beverage. Lists Froedtert Memorial Lutheran Hospital as a hospital affiliation.
Overview
| NPI | 1548006877 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 5, 2024 |
| Last updated in NPPES | Aug 1, 2024 |
| Certified by provider | Aug 1, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 83414-875 | 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 - Anesthesiology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 144 |
|---|---|
| Services billed | 159 across 55 procedure codes |
| Paid by Medicare | $17,983 |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Anesthesiology |
Medical group
- The Medical College of Wisconsin IncMilwaukee, WI · 2,115 clinicians
Hospital affiliation
- Froedtert Memorial Lutheran HospitalMilwaukee, WI
Industry payments (Open Payments)
- 2025$90.88 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fisher & Paykel Healthcare Inc | $69.56 | 3 |
| Masimo Corporation | $21.32 | 1 |
What the 2025 payments were for
- Food and Beverage$90.88 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 425 anesthesiologists in Milwaukee · All anesthesiologists in Wisconsin