REFERRAL NETWORK
Where Michael Tumen'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). 16 inbound referrers · 23 outbound destinations.
Receives referrals from
Inbound — who sends patients here
Refers patients to
Outbound — where patients go next
| Physician | Patients | Visits |
|---|
| Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Melville, NY | 116 | 308 |
| Northwell Health Laboratories Clinical Laboratory · New Hyde Park, NY | 83 | 161 |
| Sunrise Medical Laboratories, Inc. Clinical Laboratory · Hicksville, NY | 64 | 113 |
| ENZO CLINICAL LABS, INC. | 33 | 56 |
| WSNCHS NORTH, INC. | 29 | 50 |
| NORTH SHORE UNIVERSITY HOSPITAL | 23 | 36 |
| MOUNT SINAI HOSPITAL | 23 | 30 |
| ST. FRANCIS HOSPITAL | 21 | 35 |
| Bakotic Pathology Associates, Llc Clinical Laboratory · Alpharetta, GA | 19 | 53 |
| SHIEL HOLDINGS LLC | 19 | 32 |
| David Hoch Clinical Cardiac Electrophysiology · Roslyn, NY | 18 | 30 |
| Ronald Fagan Internal Medicine · Farmingdale, NY | 17 | 60 |
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.