John Markwardt, MD
NPI 1518451723ActiveIndividual· Anesthesiology, Critical Care Medicine· Milwaukee, WI
Anesthesiology, Critical Care Medicine (MD) in Milwaukee, Wisconsin, trained at Medical College of Wisconsin (class of 2018). Medicare paid $16,569 for services to 108 patients in 2024. Fisher & Paykel Healthcare Inc was the largest of 2 companies reporting payments in 2025, $65.76 in all, mostly food and beverage.
Overview
| NPI | 1518451723 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 20, 2018 |
| Last updated in NPPES | Nov 5, 2026 |
| Certified by provider | Nov 5, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology, Critical Care Medicine Primary | 207LC0200X | 82482-020 | WI |
| Anesthesiology | 207L00000X | 82482-020 | 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 - Critical Care (Intensivists) (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 108 |
|---|---|
| Services billed | 142 across 48 procedure codes |
| Paid by Medicare | $16,569 |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Critical Care (Intensivists) |
Medical group
- The Medical College of Wisconsin IncMilwaukee, WI · 2,115 clinicians
Hospital affiliation
- Froedtert Memorial Lutheran HospitalMilwaukee, WI
Industry payments (Open Payments)
- 2025$65.76 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fisher & Paykel Healthcare Inc | $42.36 | 2 |
| Masimo Corporation | $23.40 | 1 |
What the 2025 payments were for
- Food and Beverage$65.76 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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