PROVIDER PROFILE · NPI 1154512663
Sonia GrewalM.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). 2 inbound referrers · 8 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| Unilab Corporation Clinical Laboratory · West Hills, CA | 65 | 251 |
| Catherine Chang Internal Medicine · Newport Beach, CA | 15 | 27 |
| Physician | Patients | Visits |
|---|---|---|
| HOAG MEMORIAL HOSPITAL PRESBYTERIAN | 79 | 266 |
| Unilab Corporation Clinical Laboratory · West Hills, CA | 39 | 147 |
| Laboratory Corporation Of America Clinical Laboratory · San Diego, CA | 30 | 54 |
| CALIFORNIA LABORATORY SCIENCES LLC | 28 | 114 |
| UNIVERSITY OF SOUTHERN CALIFORNIA | 13 | 50 |
| Syed Naqvi Pulmonary Disease · Newport Beach, CA | 13 | 30 |
| Miles Chang Diagnostic Radiology · Newport Beach, CA | 13 | 26 |
| Catherine Chang Internal Medicine · Newport Beach, CA | 11 | 19 |