PROVIDER PROFILE · NPI 1164401758
John VantimmerenMD
MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
CROSS-REFERENCE
Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 5 inbound referrers · 14 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| SPECTRUM HEALTH PRIMARY CARE PARTNERS | 20 | 22 |
| Jeffrey Hall Anesthesiology Assistant · Grand Rapids, MI | 14 | 14 |
| Hector Pimentel Urology · Grand Rapids, MI | 13 | 38 |
| Cathryn Chadwick General Surgery · Grand Rapids, MI | 11 | 25 |
| LUTTENTON, CHARLES | 11 | 17 |
| Physician | Patients | Visits |
|---|---|---|
| SPECTRUM HEALTH HOSPITALS | 114 | 183 |
| REGENTS OF THE UNIVERSITY OF MICHIGAN | 42 | 43 |
| SPECTRUM HEALTH PRIMARY CARE PARTNERS | 21 | 22 |
| James Green Anesthesiology Assistant · Grand Rapids, MI | 21 | 24 |
| William Chizmar Anesthesiology Assistant · Grand Rapids, MI | 17 | 17 |
| Life Ems Inc Ambulance Service Provider · Grand Rapids, MI | 16 | 20 |
| VANDERKOLK, HENRY | 14 | 19 |
| Paramed Inc Ambulance Service Provider · Grand Rapids, MI | 14 | 23 |
| Mario Orsini Diagnostic Radiology · Grand Rapids, MI | 13 | 18 |
| Peter Nye Diagnostic Radiology · Grand Rapids, MI | 13 | 15 |
| THORNBURG, BARBARA | 12 | 16 |
| PETERSON, NEIL | 12 | 16 |