Dennis G. Maki, MD
NPI 1255307195ActiveIndividual· Internal Medicine, Infectious Disease· Madison, WI
Internal Medicine, Infectious Disease (MD) in Madison, Wisconsin, trained at University of Wisconsin School of Medicine (class of 1967). Their prescriptions cost Medicare Part D more than their services did: $71,896 for 582 claims, against $5,491 paid for services in 2024.
Overview
| NPI | 1255307195 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 28, 2006 |
| Last updated in NPPES | Jan 13, 2021 |
| Certified by provider | Jan 13, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 18897 | WI |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 18897 | 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) (IL); Practitioner - Infectious Disease (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 44 |
|---|---|
| Services billed | 100 across 18 procedure codes |
| Paid by Medicare | $5,491 |
Part D prescriptions in 2024
| Prescriptions (claims) | 582 · 1,122 30-day fills |
|---|---|
| Patients | 52 |
| Total drug cost | $71,896 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 1967 |
| Medicare specialty | Infectious Disease |
Medical groups
- University of Wisconsin Medical Foundation IncMadison, WI · 2,553 clinicians
- Freeport Memorial HospitalFreeport, IL · 178 clinicians
Hospital affiliations
- Fhn Memorial HospitalFreeport, IL
- Unitypoint Health - MeriterMadison, WI
- University of Wi Hospitals & Clinics AuthorityMadison, WI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 53 infectious disease specialists in Madison · All infectious disease specialists in Wisconsin