John G. Gustafson, MD
NPI 1992777437ActiveIndividual· Internal Medicine, Interventional Cardiology· Kalamazoo, MI
Internal Medicine, Interventional Cardiology (MD) in Kalamazoo, Michigan, trained at Wayne State University School of Medicine (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $1,190,463 for 7,294 claims, against $174,142 paid for services in 2024. Abbott Laboratories was the largest of 16 companies reporting payments in 2025, $4,374 in all, mostly food and beverage.
Overview
| NPI | 1992777437 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 7, 2006 |
| Last updated in NPPES | Jul 16, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 4301069176 | MI |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 4301069176 | MI |
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 - Interventional Cardiology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 997 |
|---|---|
| Services billed | 3,140 across 80 procedure codes |
| Paid by Medicare | $174,142 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,294 · 17,866 30-day fills |
|---|---|
| Patients | 1,078 |
| Total drug cost | $1,190,463 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical groups
- Ascension Medical Group PromedKalamazoo, MI · 262 clinicians
- Ascension Borgess HospitalKalamazoo, MI · 37 clinicians
Hospital affiliations
- Borgess Medical CenterKalamazoo, MI
- Bronson Methodist HospitalKalamazoo, MI
- Insight Hospital and Medical Center ColdwaterColdwater, MI
- Sturgis HospitalSturgis, MI
- Three Rivers HealthThree Rivers, MI
Industry payments (Open Payments)
- 2025$4,374 · 74 payments from 16 companies
- 2024$938.05 · 21 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $2,669 | 13 |
| Novartis Pharmaceuticals Corporation | $285.92 | 19 |
| Boston Scientific Corporation | $200.26 | 6 |
| Medtronic, Inc. | $199.61 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $179.98 | 4 |
What the 2025 payments were for
- Food and Beverage$2,650 · 70 payments
- Travel and Lodging$1,724 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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