PROVIDER PROFILE · NPI 1184674178
Gregory KatzMD
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). 11 inbound referrers · 29 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| Unilab Corporation Clinical Laboratory · West Hills, CA | 60 | 192 |
| Shaya Ghazinoor Diagnostic Radiology · Newport Beach, CA | 19 | 41 |
| Hung Ong Dermatology · Newport Beach, CA | 14 | 41 |
| William Vandalsem Diagnostic Radiology · Newport Beach, CA | 14 | 32 |
| Scott Williams Diagnostic Radiology · Stanford, CA | 13 | 29 |
| Jennifer Overstreet Diagnostic Radiology · Newport Beach, CA | 13 | 18 |
| Winston Whitney Diagnostic Radiology · Newport Beach, CA | 12 | 15 |
| John Lieu Diagnostic Radiology · Palo Alto, CA | 12 | 22 |
| Frederick Birnberg Diagnostic Radiology · Newport Beach, CA | 12 | 16 |
| Marnie Kremer Prill Diagnostic Radiology · Newport Beach, CA | 11 | 14 |
| Karence Chan Diagnostic Radiology · Newport Beach, CA | 11 | 23 |
| Physician | Patients | Visits |
|---|---|---|
| HOAG MEMORIAL HOSPITAL PRESBYTERIAN | 248 | 1,035 |
| Laboratory Corporation Of America Clinical Laboratory · San Diego, CA | 108 | 225 |
| Unilab Corporation Clinical Laboratory · West Hills, CA | 67 | 206 |
| CALIFORNIA LABORATORY SCIENCES LLC | 45 | 135 |
| UNIVERSITY OF SOUTHERN CALIFORNIA | 21 | 62 |
| Jinsoo Keyoung Diagnostic Radiology · Stanford, CA | 20 | 33 |
| UNIVERSITY OF CALIFORNIA IRVINE | 20 | 70 |
| CHOO, IRIS | 19 | 47 |
| Humberto Wong Diagnostic Radiology · Stanford, CA | 19 | 32 |
| Miles Chang Diagnostic Radiology · Newport Beach, CA | 19 | 37 |
| John Lieu Diagnostic Radiology · Palo Alto, CA | 18 | 42 |
| Frederick Birnberg Diagnostic Radiology · Newport Beach, CA | 17 | 38 |