Matthew Evert Wiisanen, MD
NPI 1215945001ActiveIndividual· Internal Medicine, Interventional Cardiology· Chattanooga, TN
Internal Medicine, Interventional Cardiology (MD) in Chattanooga, Tennessee, trained at University of Minnesota Medical School (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $464,988 for 2,396 claims, against $90,146 paid for services in 2024. Shockwave Medical, Inc was the largest of 19 companies reporting payments in 2025, $1,671 in all, mostly food and beverage.
Overview
| NPI | 1215945001 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 4, 2006 |
| Last updated in NPPES | Jan 31, 2022 |
| Certified by provider | Apr 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 54571 | TN |
| Internal Medicine | 207R00000X | 12800 | ND |
| Internal Medicine | 207R00000X | 42001 | KY |
| Internal Medicine | 207R00000X | 54571 | TN |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 12800 | ND |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 54571 | TN |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 12800 | ND |
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 - Interventional Cardiology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 374 |
|---|---|
| Services billed | 1,359 across 65 procedure codes |
| Paid by Medicare | $90,146 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,396 · 4,728 30-day fills |
|---|---|
| Patients | 331 |
| Total drug cost | $464,988 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | University of Minnesota Medical School |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical group
- Centennial Heart LLCGallatin, TN · 115 clinicians
Hospital affiliations
- Memorial Healthcare System, IncChattanooga, TN
- Parkridge Medical CenterChattanooga, TN
Industry payments (Open Payments)
- 2025$1,671 · 48 payments from 19 companies
- 2024$7,251 · 102 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Shockwave Medical, Inc | $442.84 | 8 |
| Edwards Lifesciences Corporation | $156.56 | 1 |
| Novartis Pharmaceuticals Corporation | $146.40 | 9 |
| Ge Healthcare | $135.40 | 2 |
| Abbott Laboratories | $103.18 | 4 |
What the 2025 payments were for
- Food and Beverage$1,671 · 48 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other interventional cardiologists in Chattanooga
- 1033180971
- 1184834251
- 1255307575
- 1255312799
- 1447259742
- 1477596328
- 1497015150
- 1528351632
- 1659370997
- 1659577492
- 1689673998
- 1699749010
All 18 interventional cardiologists in Chattanooga · All interventional cardiologists in Tennessee