PROVIDER PROFILE · NPI 1275625204
William LongtonMD
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). 9 inbound referrers · 25 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| SURGICAL IMAGING SERVICES INC. | 71 | 212 |
| Angelo Crudale Diagnostic Radiology · Walnut Creek, CA | 25 | 48 |
| Charles Fiske Diagnostic Radiology · Oakland, CA | 22 | 68 |
| Jonathan Posin Diagnostic Radiology · Walnut Creek, CA | 19 | 31 |
| CONTRA COSTA COUNTY | 17 | 96 |
| Sunil Gandhi Diagnostic Radiology · Walnut Creek, CA | 15 | 30 |
| SCHICK, ROBERT | 12 | 20 |
| Ucsf Dermatopathology Service Clinical Laboratory · San Francisco, CA | 11 | 23 |
| Ronald Chan Diagnostic Radiology · Walnut Creek, CA | 11 | 25 |
| Physician | Patients | Visits |
|---|---|---|
| Laboratory Corporation Of America Clinical Laboratory · San Diego, CA | 159 | 820 |
| Premier Surgery Center Ambulatory Surgical Center · Concord, CA | 137 | 689 |
| SURGICAL IMAGING SERVICES INC. | 129 | 591 |
| JOHN MUIR HEALTH | 117 | 412 |
| JOHN MUIR HEALTH | 57 | 187 |
| Unilab Corporation Clinical Laboratory · Sacramento, CA | 38 | 181 |
| American Medical Response West Ambulance Service Provider · Concord, CA | 22 | 56 |
| Jonathan Posin Diagnostic Radiology · Walnut Creek, CA | 22 | 41 |
| Laboratory Corporation Of America Clinical Laboratory · San Leandro, CA | 22 | 58 |
| Angelo Crudale Diagnostic Radiology · Walnut Creek, CA | 20 | 44 |
| UNIVERSITY OF CALIFORNIA, SAN FRANCISCO | 19 | 64 |
| Charles Fiske Diagnostic Radiology · Oakland, CA | 19 | 44 |