Douglas Brian Chapman, M.D.
NPI 1619944238ActiveIndividual· Internal Medicine, Cardiovascular Disease· Madison, WI
Internal Medicine, Cardiovascular Disease (M.D.) in Madison, Wisconsin, licensed in WI, IL and FL, with an NPI issued in March 2006. In 2024 Medicare paid $12,499 for 95 patients, and Part D covered 53 of their prescriptions, 83% of them generic.
Overview
| NPI | 1619944238 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 2, 2006 |
| Last updated in NPPES | Jan 17, 2024 |
| Certified by provider | Jan 17, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 70906 | WI |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 036074808 | IL |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | ME93864 | FL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 95 |
|---|---|
| Services billed | 152 across 11 procedure codes |
| Paid by Medicare | $12,499 |
Part D prescriptions in 2024
| Prescriptions (claims) | 53 · 133 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $10,062 |
| Generic share | 83% of claims |
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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