REFERRAL NETWORK
Where Joel Johnson's patients come from & go
Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 71 inbound referrers · 0 outbound destinations.
Receives referrals from
Inbound — who sends patients here
| Physician | Patients | Visits |
|---|
| EAST TEXAS MEDICAL CENTER | 536 | 2,938 |
| Robert Sanchez Diagnostic Radiology · Tyler, TX | 94 | 503 |
| James Cabell Diagnostic Radiology · Tyler, TX | 89 | 459 |
| Charles Crum Diagnostic Radiology · Tyler, TX | 84 | 478 |
| Tim Castro Internal Medicine · Tyler, TX | 81 | 1,884 |
| Douglas Macha Diagnostic Radiology · Tyler, TX | 76 | 423 |
| Alfred Llave Diagnostic Radiology · Tyler, TX | 72 | 370 |
| Champion Ems Ambulance Service Provider · Longview, TX | 70 | 347 |
| Gregory Schultz Diagnostic Radiology · Tyler, TX | 69 | 355 |
| R. Walker Diagnostic Radiology · Tyler, TX | 67 | 343 |
| Michael Williams Diagnostic Radiology · Tyler, TX | 64 | 259 |
| Timothy Leihgeber Diagnostic Radiology · Tyler, TX | 63 | 268 |
Refers patients to
Outbound — where patients go next
No outbound pairs above the suppression threshold.
Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.