REFERRAL NETWORK
Where Roy Greengrass'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). 41 inbound referrers · 0 outbound destinations.
Receives referrals from
Inbound — who sends patients here
| Physician | Patients | Visits |
|---|
| Mayo Clinic Jacksonville Clinical Laboratory · Jacksonville, FL | 300 | 895 |
| Joan Irizarry Alvarado Internal Medicine · Jacksonville, FL | 97 | 123 |
| K Venkatachalam Cardiology · Jacksonville, FL | 87 | 109 |
| Fred Kusumoto Clinical Cardiac Electrophysiology · Jacksonville, FL | 78 | 99 |
| Pedro Malavet Internal Medicine · Jacksonville, FL | 47 | 65 |
| Linda Marks Nurse Practitioner · Jacksonville, FL | 39 | 48 |
| BLASSER, KURT | 38 | 107 |
| Daniel Wessell Diagnostic Radiology · Jacksonville, FL | 38 | 53 |
| John Redmond Orthopedic Surgery · Jacksonville, FL | 30 | 98 |
| Courtney Sherman Orthopedic Surgery · Jacksonville, FL | 30 | 107 |
| NPI 1376534453 | 23 | 34 |
| Hillary Garner Diagnostic Radiology · Jacksonville, FL | 22 | 32 |
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.