John N. Campbell, M.D.
NPI 1417901232ActiveIndividual· Internal Medicine, Addiction Medicine· Kentwood, MI
Internal Medicine, Addiction Medicine (M.D.) in Kentwood, Michigan, trained at University of Wisconsin School of Medicine (class of 1973). In 2024 Medicare paid $203,742 for 165 patients, and Part D covered 2,289 of their prescriptions, 89% of them generic. Novo Nordisk Inc was the largest of 17 companies reporting payments in 2025, $1,020 in all, mostly food and beverage.
Overview
| NPI | 1417901232 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 19, 2006 |
| Last updated in NPPES | Aug 6, 2025 |
| Certified by provider | Aug 6, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Addiction Medicine Primary | 207RA0401X | 4301034105 | MI |
| Internal Medicine | 207R00000X | 034105 | MI |
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 - Internal Medicine (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 165 |
|---|---|
| Services billed | 2,549 across 32 procedure codes |
| Paid by Medicare | $203,742 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,289 · 5,169 30-day fills |
|---|---|
| Patients | 222 |
| Total drug cost | $195,287 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 1973 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- John N Campbell MD PCKentwood, MI · 6 clinicians
Hospital affiliation
- Spectrum HealthGrand Rapids, MI
Industry payments (Open Payments)
- 2025$1,020 · 47 payments from 17 companies
- 2024$992.14 · 49 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $166.36 | 4 |
| Glaxosmithkline, LLC. | $135.86 | 8 |
| Astrazeneca Pharmaceuticals LP | $93.79 | 5 |
| Abbvie Inc. | $77.25 | 4 |
| Indivior Inc. | $66.29 | 4 |
What the 2025 payments were for
- Food and Beverage$1,020 · 47 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Addiction Medicine providers in Kentwood
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All Internal Medicine, Addiction Medicine providers in Michigan