PROVIDER PROFILE · NPI 1255383139
David WallisMD
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 · 22 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| TORRANCE MEMORIAL MEDICAL CENTER | 346 | 1,222 |
| PATHOLOGY, INC. | 20 | 43 |
| Westmed Ambulance Inc Ambulance Service Provider · Compton, CA | 15 | 30 |
| Albert Grabb Diagnostic Radiology · Torrance, CA | 14 | 23 |
| PO, JONATHAN | 11 | 16 |
| Physician | Patients | Visits |
|---|---|---|
| TORRANCE MEMORIAL MEDICAL CENTER | 393 | 1,730 |
| PROVIDENCE HEALTH SYSTEM SOUTHERN CALIFORNIA | 30 | 71 |
| Rola Magid Family Practice · Ventura, CA | 23 | 67 |
| PATHOLOGY, INC. | 22 | 58 |
| Laboratory Corporation Of America Clinical Laboratory · San Diego, CA | 21 | 65 |
| TIEGS, VERNA | 18 | 50 |
| Amanda Murphy Diagnostic Radiology · San Diego, CA | 17 | 80 |
| TORRANCE MEMORIAL MEDICAL CENTER | 16 | 40 |
| Mitchell Sklar Diagnostic Radiology · Torrance, CA | 15 | 43 |
| David Stone Diagnostic Radiology · Torrance, CA | 15 | 41 |
| John Maher Ophthalmology · Torrance, CA | 14 | 43 |
| Albert Grabb Diagnostic Radiology · Torrance, CA | 13 | 40 |