REFERRAL NETWORK
Where Mark Drew'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). 8 inbound referrers · 13 outbound destinations.
Receives referrals from
Inbound — who sends patients here
Refers patients to
Outbound — where patients go next
| Physician | Patients | Visits |
|---|
| BSA HOSPITAL LLC | 119 | 2,019 |
| Qaiser Saeed Internal Medicine · Dallas, TX | 41 | 446 |
| William Holland Internal Medicine · Amarillo, TX | 33 | 330 |
| Joseph Wolcott Undersea and Hyperbaric Medicine · Lubbock, TX | 29 | 184 |
| ALLISON, WALTER | 18 | 105 |
| Physicians Preferred Laboratory Ltd Clinical Laboratory · Amarillo, TX | 18 | 216 |
| David Langley Interventional Radiology · Amarillo, TX | 17 | 105 |
| Mark Gerig Podiatry · Amarillo, TX | 14 | 142 |
| Laboratory Corporation Of America Clinical Laboratory · Dallas, TX | 14 | 80 |
| Chance Irwin Vascular Surgery · Amarillo, TX | 14 | 92 |
| American Medical Response Ambulance Service Inc Ambulance Service Provider · Wichita Falls, TX | 12 | 89 |
| Ron Rankin Family Practice · Amarillo, TX | 12 | 287 |
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.