PROVIDER PROFILE · NPI 1497709984
Ernest SponzilliM.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). 41 inbound referrers · 81 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| Marin Health Ventures, Llc Ambulatory Surgical Center · San Rafael, CA | 391 | 985 |
| VISTA IMAGING SERVICES, INC | 387 | 855 |
| MARIN GENERAL HOSPITAL | 284 | 899 |
| SUTTER BAY HOSPITALS | 127 | 430 |
| Brian Su Orthopedic Surgery · Larkspur, CA | 121 | 287 |
| Jay Kaiser Diagnostic Radiology · Greenbrae, CA | 61 | 131 |
| MARIN MAGNETIC RESONANCE IMAGING CENTER, LLC | 46 | 82 |
| Lisa Elvin Nurse Practitioner · Larkspur, CA | 40 | 76 |
| Christian Kim Ophthalmology · San Rafael, CA | 30 | 66 |
| John Shin Ophthalmology · San Rafael, CA | 29 | 75 |
| Michael Oechsel Orthopedic Surgery · Larkspur, CA | 27 | 120 |
| Donna Hoghooghi Diagnostic Radiology · Greenbrae, CA | 26 | 56 |
| Physician | Patients | Visits |
|---|---|---|
| MARIN GENERAL HOSPITAL | 257 | 842 |
| Marin Health Ventures, Llc Ambulatory Surgical Center · San Rafael, CA | 202 | 511 |
| VISTA IMAGING SERVICES, INC | 189 | 428 |
| BYERS, ROBERT | 126 | 271 |
| Brian Su Orthopedic Surgery · Larkspur, CA | 120 | 206 |
| SUTTER BAY HOSPITALS | 102 | 362 |
| Jay Kaiser Diagnostic Radiology · Greenbrae, CA | 48 | 88 |
| Edward Moon Hand Surgery · Palo Alto, CA | 38 | 134 |
| UNIVERSITY OF CALIFORNIA, SAN FRANCISCO | 34 | 117 |
| Betsy Holland Diagnostic Radiology · Greenbrae, CA | 34 | 75 |
| John Shin Ophthalmology · San Rafael, CA | 33 | 65 |
| Laura Winner Physical Therapist in Private Practice · Larkspur, CA | 31 | 68 |