REFERRAL NETWORK
Where Charles Vonfrolio'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). 13 inbound referrers · 14 outbound destinations.
Receives referrals from
Inbound — who sends patients here
| Physician | Patients | Visits |
|---|
| STATEN ISLAND UNIVERSITY HOSPITAL | 158 | 247 |
| Elias Purow Internal Medicine · Staten Island, NY | 39 | 94 |
| Lawrence Langan Gastroenterology · Staten Island, NY | 36 | 103 |
| Ruben Kandov Interventional Cardiology · Brooklyn, NY | 27 | 34 |
| Jocelyn Villanueva Pathology · Staten Island, NY | 26 | 28 |
| Daniel Megna Gastroenterology · Staten Island, NY | 24 | 56 |
| Joseph Lowry Diagnostic Radiology · Staten Island, NY | 16 | 22 |
| Kokila Mody Pathology · Staten Island, NY | 15 | 19 |
| Roman Royzman Interventional Cardiology · Brooklyn, NY | 13 | 18 |
| Kiranpreet Parmar Gastroenterology · Brooklyn, NY | 13 | 28 |
| Sherif Andrawes Gastroenterology · Staten Island, NY | 13 | 24 |
| GOYAL, NIKHIL | 11 | 14 |
Refers patients to
Outbound — where patients go next
| Physician | Patients | Visits |
|---|
| STATEN ISLAND UNIVERSITY HOSPITAL | 58 | 137 |
| Sherif Andrawes Gastroenterology · Staten Island, NY | 26 | 73 |
| Elias Purow Internal Medicine · Staten Island, NY | 23 | 32 |
| Quest Diagnostics Incorporated Clinical Laboratory · Clifton, NJ | 23 | 41 |
| Monika Wrzolek Pathology · Staten Island, NY | 20 | 24 |
| Fanyi Kong Pathology · Bayside, NY | 19 | 20 |
| Lynne Opitz Pathology · Staten Island, NY | 16 | 23 |
| Visitacion Pabicon Pathology · Staten Island, NY | 14 | 19 |
| Ruben Kandov Interventional Cardiology · Brooklyn, NY | 14 | 21 |
| Henry Mcpherson Diagnostic Radiology · Staten Island, NY | 14 | 17 |
| Primary Care Ambulance Corp Ambulance Service Provider · Staten Island, NY | 13 | 19 |
| TIGARIS, KAMEELAH | 12 | 15 |
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.