REFERRAL NETWORK
Where Lei Zhang'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). 15 inbound referrers · 28 outbound destinations.
Receives referrals from
Inbound — who sends patients here
| Physician | Patients | Visits |
|---|
| Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA | 255 | 596 |
| THOMAS JEFFERSON UNIVERSITY HOSPITALS INC | 184 | 542 |
| CHAN, YUK-MUI | 53 | 94 |
| TENET HEALTH SYSTEM HAHNEMANN, LLC | 35 | 42 |
| THE PENNSYLVANIA HOSPITAL OF THE UNIVERSITY OF PENNSYLVANIA HEALTH SYS | 32 | 96 |
| Weiguo Li Family Practice · King Of Prussia, PA | 17 | 31 |
| Stephen Lee Ophthalmology · Cherry Hill, NJ | 17 | 31 |
| David Karasick Diagnostic Radiology · Philadelphia, PA | 16 | 46 |
| KIM, SUNG | 16 | 23 |
| City Of Philadelphia Ambulance Service Provider · Philadelphia, PA | 14 | 34 |
| Alcynthia Cowell Certified Registered Nurse Anesthetist (CRNA) · Philadelphia, PA | 14 | 16 |
| Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ | 14 | 18 |
Refers patients to
Outbound — where patients go next
| Physician | Patients | Visits |
|---|
| GREATER PHILADELPHIA HEALTH ACTION INC. | 430 | 1,633 |
| THOMAS JEFFERSON UNIVERSITY HOSPITALS INC | 161 | 441 |
| Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA | 149 | 292 |
| Xiaoli Ma Gastroenterology · Philadelphia, PA | 57 | 157 |
| CHAN, YUK-MUI | 43 | 79 |
| David Karasick Diagnostic Radiology · Philadelphia, PA | 35 | 89 |
| Kun Li Physician Assistant · Philadelphia, PA | 33 | 85 |
| Kar Lai Wong Clinical Cardiac Electrophysiology · Wynnewood, PA | 30 | 91 |
| THE PENNSYLVANIA HOSPITAL OF THE UNIVERSITY OF PENNSYLVANIA HEALTH SYS | 27 | 74 |
| Lisa Zorn Diagnostic Radiology · Philadelphia, PA | 22 | 52 |
| KIM, SUNG | 20 | 31 |
| TRI STATE IMAGING SOLUTIONS, LLC | 19 | 28 |
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.
