PROVIDER PROFILE · NPI 1457338683
William AhnnM.D.
CROSS-REFERENCE
Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 5 inbound referrers · 13 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| BLOCK, JOEL | 31 | 59 |
| Thomas Donaldson Orthopedic Surgery · Colton, CA | 23 | 59 |
| GYSBERS, ERIN | 22 | 40 |
| Unilab Corporation Clinical Laboratory · West Hills, CA | 14 | 19 |
| Su-Yu Li Diagnostic Radiology · Rancho Cucamonga, CA | 11 | 15 |
| Physician | Patients | Visits |
|---|---|---|
| DIGNITY HEALTH | 72 | 132 |
| Steven Bleiweiss Pathology · San Bernardino, CA | 42 | 51 |
| Thomas Donaldson Orthopedic Surgery · Colton, CA | 19 | 36 |
| GYSBERS, ERIN | 17 | 22 |
| MISSION HOME HEALTH OF SAN DIEGO LLC | 16 | 16 |
| BLOCK, JOEL | 14 | 24 |
| RAMOS, MILDRED | 14 | 17 |
| HANDLER, CURTIS | 12 | 14 |
| American Medical Response Of Inland Empire Ambulance Service Provider · Redlands, CA | 12 | 12 |
| Laboratory Corporation Of America Clinical Laboratory · San Diego, CA | 12 | 21 |
| GREWAL, NAVRAJ | 12 | 12 |
| Vythao Tran Diagnostic Radiology · Palo Alto, CA | 12 | 13 |