REFERRAL NETWORK
Where David Marshall'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). 44 inbound referrers · 71 outbound destinations.
Receives referrals from
Inbound — who sends patients here
| Physician | Patients | Visits |
|---|
| CHO, IK | 78 | 122 |
| Jonathan Walburn Pathology · Cumberland, MD | 76 | 84 |
| NPI 1225077860 | 76 | 157 |
| Marcos Roffe Diagnostic Radiology · Cumberland, MD | 72 | 153 |
| SAHETA, NARAYAN | 59 | 72 |
| James Benjamin Diagnostic Radiology · Cumberland, MD | 58 | 77 |
| Mark Nelson Cardiac Surgery · Cumberland, MD | 56 | 163 |
| Charles Magal Diagnostic Radiology · Cumberland, MD | 53 | 78 |
| Michelle Helal Certified Registered Nurse Anesthetist (CRNA) · Cumberland, MD | 32 | 32 |
| Matthew Allaway Urology · Cumberland, MD | 29 | 44 |
| Myung-Sup Kim Diagnostic Radiology · Cumberland, MD | 28 | 46 |
| Jong Kim Diagnostic Radiology · Cumberland, MD | 27 | 48 |
Refers patients to
Outbound — where patients go next
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.