Barnett Ronald Kantz, D.O.
NPI 1275509432ActiveIndividual· Internal Medicine· Dundee, MI
Internal Medicine (D.O.) in Dundee, Michigan, trained at Des Moines University of Osteopathic Medicine and Health Sciences (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $895,912 for 7,443 claims, against $47,117 paid for services in 2024. Axsome Therapeutics, Inc. was the largest of 17 companies reporting payments in 2025, $2,038 in all, mostly food and beverage.
Overview
| NPI | 1275509432 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Feb 27, 2006 |
| Last updated in NPPES | Nov 3, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 5101013189 | MI |
| Emergency Medicine | 207P00000X | 5101013189 | 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 | 167 |
|---|---|
| Services billed | 590 across 33 procedure codes |
| Paid by Medicare | $47,117 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,443 · 15,354 30-day fills |
|---|---|
| Patients | 653 |
| Total drug cost | $895,912 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Des Moines University of Osteopathic Medicine and Health Sciences |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Promedica Monroe PhysiciansMonroe, MI · 65 clinicians
Hospital affiliations
- Promedica Charles and Virginia Hickman HospitalAdrian, MI
- Promedica Monroe Regional HospitalMonroe, MI
- Promedica Toledo HospitalToledo, OH
Other facilities
- Elara CaringHome health agency · Jackson, MI
- Heartland Hospice (Monroe)Hospice · Monroe, MI
Industry payments (Open Payments)
- 2025$2,038 · 113 payments from 17 companies
- 2024$1,675 · 94 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Axsome Therapeutics, Inc. | $310.65 | 14 |
| Astrazeneca Pharmaceuticals LP | $270.36 | 19 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $255.95 | 20 |
| Novo Nordisk Inc | $244.92 | 12 |
| Pfizer Inc. | $147.43 | 9 |
What the 2025 payments were for
- Food and Beverage$2,038 · 113 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Dundee
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- 1134386857
- 1841472446