PROVIDER PROFILE · NPI 1104980317
John McmahanM.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). 42 inbound referrers · 120 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| CLARK, DANIEL | 110 | 189 |
| Bruce Matthews Diagnostic Radiology · Ventura, CA | 100 | 225 |
| Matthew Carr Diagnostic Radiology · Ventura, CA | 93 | 161 |
| COMMUNITY MEMORIAL HEALTH SYSTEM | 88 | 176 |
| American Medical Response Ambulance Service Inc Ambulance Service Provider · Moorpark, CA | 63 | 135 |
| Unilab Corporation Clinical Laboratory · West Hills, CA | 55 | 134 |
| COUNTY OF VENTURA | 46 | 78 |
| NPI 1013955715 | 46 | 66 |
| DIGNITY HEALTH | 43 | 77 |
| OJAI AMBULANCE, INC | 38 | 66 |
| Casey Barbaro General Surgery · Santa Barbara, CA | 33 | 74 |
| Mark Lepore Family Practice · Lawrence, MA | 31 | 62 |
| Physician | Patients | Visits |
|---|---|---|
| COUNTY OF VENTURA | 826 | 2,027 |
| CLARK, DANIEL | 183 | 284 |
| HORWITZ, REED | 134 | 239 |
| Matthew Carr Diagnostic Radiology · Ventura, CA | 130 | 224 |
| Bruce Matthews Diagnostic Radiology · Ventura, CA | 121 | 202 |
| COUNTY OF VENTURA | 110 | 188 |
| OJAI AMBULANCE, INC | 95 | 174 |
| Amita Dharawat Cardiology · West Hollywood, CA | 95 | 160 |
| COUNTY OF VENTURA | 84 | 137 |
| COMMUNITY MEMORIAL HEALTH SYSTEM | 83 | 159 |
| American Medical Response Ambulance Service Inc Ambulance Service Provider · Moorpark, CA | 81 | 125 |
| COUNTY OF VENTURA | 68 | 96 |