PROVIDER PROFILE · NPI 1053330431
Mary FitzsimonsM.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). 18 inbound referrers · 93 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| CONTRA COSTA COUNTY | 65 | 251 |
| Vincent Wong Diagnostic Radiology · Walnut Creek, CA | 33 | 72 |
| RAY, SANJAY | 32 | 69 |
| Gurunath Rajapuram Cardiology · Antioch, CA | 32 | 86 |
| David Howard Diagnostic Radiology · Walnut Creek, CA | 27 | 59 |
| Keith Tao Diagnostic Radiology · Walnut Creek, CA | 22 | 37 |
| Henry Gong Cardiology · Pittsburg, CA | 18 | 52 |
| Elizabeth Dei Rossi Emergency Medicine · New York, NY | 18 | 61 |
| Wengang Zhang Internal Medicine · Pittsburg, CA | 17 | 97 |
| Arnold Weekes Anesthesiology · Antioch, CA | 15 | 43 |
| Fatima Syed Internal Medicine · Antioch, CA | 15 | 45 |
| Alfort Santos Family Practice · Lafayette, CA | 13 | 50 |
| Physician | Patients | Visits |
|---|---|---|
| SUTTER EAST BAY HOSPITALS | 516 | 1,388 |
| American Medical Response West Ambulance Service Provider · Concord, CA | 190 | 582 |
| Vincent Wong Diagnostic Radiology · Walnut Creek, CA | 133 | 286 |
| David Howard Diagnostic Radiology · Walnut Creek, CA | 116 | 242 |
| Samuel Choi Diagnostic Radiology · Walnut Creek, CA | 115 | 247 |
| RAY, SANJAY | 114 | 206 |
| Protransport 1 Ambulance Service Provider · Rohnert Park, CA | 83 | 204 |
| Gurunath Rajapuram Cardiology · Antioch, CA | 80 | 195 |
| CONTRA COSTA COUNTY | 76 | 289 |
| Keith Tao Diagnostic Radiology · Walnut Creek, CA | 72 | 141 |
| John Vanuden Diagnostic Radiology · Walnut Creek, CA | 64 | 171 |
| SALDINGER, ERIC | 49 | 95 |