PROVIDER PROFILE · NPI 1386621100
Gregory MacchioM.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). 8 inbound referrers · 10 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| Unilab Corporation Clinical Laboratory · West Hills, CA | 36 | 56 |
| Steven Sorenson Diagnostic Radiology · Redlands, CA | 34 | 54 |
| Navid Jahed Diagnostic Radiology · Mission Viejo, CA | 20 | 24 |
| Jeffrey Dym Diagnostic Radiology · Laguna Niguel, CA | 18 | 34 |
| MISSION ENDOSCOPY CENTER INC | 15 | 16 |
| Christopher Vanley Pathology · Laguna Beach, CA | 15 | 16 |
| SADDLEBACK MEMORIAL MEDICAL CENTER | 14 | 18 |
| Oscar Otanez Pathology · Stanford, CA | 14 | 14 |
| Physician | Patients | Visits |
|---|---|---|
| MISSION HOSPITAL REGIONAL MEDICAL CENTER | 71 | 99 |
| California Specialty Surgery Center, Llc Ambulatory Surgical Center · Mission Viejo, CA | 24 | 29 |
| Hitomi Momose Pathology · Mission Viejo, CA | 14 | 23 |
| Steven Sorenson Diagnostic Radiology · Redlands, CA | 14 | 25 |
| John Shaver General Surgery · Mission Viejo, CA | 14 | 29 |
| Mission Ambulatory Surgicenter Ltd. Ambulatory Surgical Center · Mission Viejo, CA | 14 | 21 |
| Alireza Tafazzoli Pathology · Mission Viejo, CA | 13 | 15 |
| Unilab Corporation Clinical Laboratory · West Hills, CA | 13 | 21 |
| Laboratory Corporation Of America Clinical Laboratory · San Diego, CA | 11 | 17 |
| ST JOSEPH HEALTH SYSTEM HOME HEALTH AGENCY LLC | 11 | 11 |