PROVIDER PROFILE · NPI 1003830316
Malcolm JohnsonMD
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). 13 inbound referrers · 127 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| CONTRA COSTA COUNTY | 39 | 95 |
| Jonathan Posin Diagnostic Radiology · Walnut Creek, CA | 22 | 33 |
| Ramin Khashayar Pulmonary Disease · Walnut Creek, CA | 18 | 72 |
| Angelo Crudale Diagnostic Radiology · Walnut Creek, CA | 18 | 41 |
| Mark Tu Diagnostic Radiology · Walnut Creek, CA | 15 | 29 |
| Ronald Chan Diagnostic Radiology · Walnut Creek, CA | 14 | 19 |
| Eric Kenley Emergency Medicine · San Jose, CA | 12 | 33 |
| Community Mobile Diagnostics Llc Portable X-Ray Supplier · San Leandro, CA | 12 | 29 |
| North Star Emergency Services, Inc. Ambulance Service Provider · Livermore, CA | 12 | 18 |
| Andrew Dublin Interventional Cardiology · Walnut Creek, CA | 12 | 22 |
| SCHICK, ROBERT | 11 | 20 |
| Michael Sherman Hematology-Oncology · Walnut Creek, CA | 11 | 58 |
| Physician | Patients | Visits |
|---|---|---|
| JOHN MUIR HEALTH | 410 | 852 |
| American Medical Response West Ambulance Service Provider · Concord, CA | 146 | 265 |
| WEST CONTRA COSTA HEALTHCARE DISTRICT | 139 | 289 |
| Laboratory Corporation Of America Clinical Laboratory · San Diego, CA | 112 | 290 |
| John Vanuden Diagnostic Radiology · Walnut Creek, CA | 80 | 153 |
| David Howard Diagnostic Radiology · Walnut Creek, CA | 63 | 106 |
| Mark Tu Diagnostic Radiology · Walnut Creek, CA | 63 | 115 |
| Kimberly Blumberg Diagnostic Radiology · Walnut Creek, CA | 59 | 122 |
| CONTRA COSTA COUNTY | 56 | 166 |
| Christopher Tran Diagnostic Radiology · Walnut Creek, CA | 54 | 107 |
| William Hoddick Diagnostic Radiology · Walnut Creek, CA | 51 | 95 |
| Jonathan Posin Diagnostic Radiology · Walnut Creek, CA | 49 | 69 |