PROVIDER PROFILE · NPI 1083630081
Christopher SimmonsM.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). 12 inbound referrers · 27 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| Bradford Piatt Diagnostic Radiology · Lafayette, CA | 23 | 51 |
| Angelo Crudale Diagnostic Radiology · Walnut Creek, CA | 19 | 36 |
| Jonathan Posin Diagnostic Radiology · Walnut Creek, CA | 18 | 41 |
| Ucsf Dermatopathology Service Clinical Laboratory · San Francisco, CA | 15 | 24 |
| Maha Toma Internal Medicine · Lafayette, CA | 14 | 21 |
| Ronald Chan Diagnostic Radiology · Walnut Creek, CA | 13 | 27 |
| Eric Chen Interventional Radiology · Los Angeles, CA | 13 | 28 |
| FISH, JONATHAN | 13 | 24 |
| David Gilbert Ophthalmology · Walnut Creek, CA | 13 | 25 |
| JOHN MUIR HEALTH | 12 | 31 |
| Amy Lai Diagnostic Radiology · New York, NY | 11 | 27 |
| Kimberly Blumberg Diagnostic Radiology · Walnut Creek, CA | 11 | 38 |
| Physician | Patients | Visits |
|---|---|---|
| Laboratory Corporation Of America Clinical Laboratory · San Diego, CA | 202 | 896 |
| JOHN MUIR HEALTH | 158 | 642 |
| Bradford Piatt Diagnostic Radiology · Lafayette, CA | 41 | 83 |
| Jonathan Posin Diagnostic Radiology · Walnut Creek, CA | 24 | 52 |
| Angelo Crudale Diagnostic Radiology · Walnut Creek, CA | 23 | 49 |
| JOHN MUIR HEALTH | 22 | 88 |
| Laboratory Corporation Of America Clinical Laboratory · San Leandro, CA | 21 | 60 |
| David Lin Internal Medicine · Walnut Creek, CA | 19 | 41 |
| Ronald Chan Diagnostic Radiology · Walnut Creek, CA | 18 | 43 |
| Eric Chen Interventional Radiology · Los Angeles, CA | 18 | 36 |
| JOHN MUIR HEALTH | 16 | 50 |
| SIGEL, RICHARD | 14 | 33 |