Stephen J. Mattichak, MD
NPI 1013930189ActiveIndividual· Internal Medicine, Cardiovascular Disease· Midland, MI
Internal Medicine, Cardiovascular Disease (MD) in Midland, Michigan, trained at Wayne State University School of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $258,488 for 1,566 claims, against $137,033 paid for services in 2024. Shockwave Medical, Inc was the largest of 4 companies reporting payments in 2025, $382.22 in all, mostly food and beverage.
Overview
| NPI | 1013930189 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 26, 2006 |
| Last updated in NPPES | Apr 4, 2023 |
| Certified by provider | Apr 4, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 4301079048 | MI |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | DR.0059344 | CO |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 35.132423 | OH |
| Internal Medicine, Interventional Cardiology | 207RI0011X | DR.0059344 | CO |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 35.132423 | OH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (MI); Practitioner - Interventional Cardiology (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 469 |
|---|---|
| Services billed | 1,749 across 84 procedure codes |
| Paid by Medicare | $137,033 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,566 · 3,877 30-day fills |
|---|---|
| Patients | 353 |
| Total drug cost | $258,488 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical groups
- Mymichigan Medical Center MidlandMidland, MI · 507 clinicians
- Bay Area Hospital DistrictCoos Bay, OR · 122 clinicians
Hospital affiliations
- Bay Area HospitalCoos Bay, OR
- Mymichigan Medical Center AlmaAlma, MI
- Mymichigan Medical Center ClareClare, MI
- Mymichigan Medical Center GladwinGladwin, MI
- Mymichigan Medical Center MidlandMidland, MI
Industry payments (Open Payments)
- 2025$382.22 · 11 payments from 4 companies
- 2024$1,123 · 27 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Shockwave Medical, Inc | $194.57 | 8 |
| Abbott Laboratories | $136.20 | 1 |
| Abiomed | $37.07 | 1 |
| Stryker Corporation | $14.38 | 1 |
What the 2025 payments were for
- Food and Beverage$382.22 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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