PROVIDER PROFILE · NPI 1164558920
William Chapman
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). 33 inbound referrers · 63 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| PRIME HEALTHCARE PARADISE VALLEY LLC | 219 | 405 |
| John Holden Diagnostic Radiology · Pasadena, CA | 213 | 505 |
| Unilab Corporation Clinical Laboratory · West Hills, CA | 104 | 242 |
| Benjamin Orejudos Diagnostic Radiology · National City, CA | 84 | 172 |
| American Medical Response Ambulance Service, Inc. Ambulance Service Provider · San Diego, CA | 53 | 65 |
| SHARP CHULA VISTA MEDICAL CENTER | 51 | 93 |
| Tagumpay Sacamay Nephrology · National City, CA | 48 | 157 |
| Ira Braverman Internal Medicine · National City, CA | 45 | 146 |
| Irineo Tiangco Internal Medicine · National City, CA | 36 | 106 |
| Dorothy Hairston Internal Medicine · National City, CA | 34 | 78 |
| Richard Obler Family Practice · La Jolla, CA | 32 | 49 |
| Troy Niguidula Internal Medicine · National City, CA | 31 | 78 |
| Physician | Patients | Visits |
|---|---|---|
| PRIME HEALTHCARE PARADISE VALLEY LLC | 231 | 504 |
| John Holden Diagnostic Radiology · Pasadena, CA | 137 | 378 |
| Benjamin Orejudos Diagnostic Radiology · National City, CA | 101 | 251 |
| Unilab Corporation Clinical Laboratory · West Hills, CA | 89 | 188 |
| Advantage Ambulance Inc Ambulance Service Provider · National City, CA | 81 | 123 |
| Tagumpay Sacamay Nephrology · National City, CA | 75 | 272 |
| Albert Sharf Cardiology · National City, CA | 63 | 170 |
| Rosemarie Lim Pulmonary Disease · National City, CA | 56 | 115 |
| SHARP CHULA VISTA MEDICAL CENTER | 50 | 117 |
| Genaro Fernandez Cardiology · National City, CA | 49 | 114 |
| Brian Tabila Critical Care (Intensivists) · National City, CA | 48 | 87 |
| Troy Niguidula Internal Medicine · National City, CA | 43 | 128 |