PROVIDER PROFILE · NPI 1497857023
Matthew JanssenM.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). 23 inbound referrers · 63 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| POMONA VALLEY HOSPITAL MEDICAL CENTER | 376 | 893 |
| SCHAEFER AMBULANCE SERVICE, INC | 136 | 309 |
| Johnson Lightfoote Diagnostic Radiology · Pomona, CA | 78 | 127 |
| Christina Benedict Diagnostic Radiology · Pomona, CA | 69 | 112 |
| Hamidreza Torshizy Diagnostic Radiology · San Diego, CA | 57 | 111 |
| Unilab Corporation Clinical Laboratory · West Hills, CA | 26 | 55 |
| Hla Myint Maung Hwang Nephrology · Claremont, CA | 23 | 38 |
| Alexander Chien Diagnostic Radiology · Pomona, CA | 21 | 38 |
| Heather Davis Pulmonary Disease · Claremont, CA | 18 | 24 |
| Jaison Fraizer Physician Assistant · Pomona, CA | 18 | 25 |
| Lay Tun Internal Medicine · Pomona, CA | 18 | 39 |
| Giri Tummuru Internal Medicine · Yorba Linda, CA | 16 | 31 |
| Physician | Patients | Visits |
|---|---|---|
| POMONA VALLEY HOSPITAL MEDICAL CENTER | 132 | 270 |
| Stephen To Diagnostic Radiology · Pomona, CA | 103 | 194 |
| Paul Reisch Diagnostic Radiology · Pomona, CA | 97 | 173 |
| DAMUTH, HAROLD | 80 | 157 |
| Yanle Zhao Diagnostic Radiology · Pomona, CA | 77 | 124 |
| Daniel Heitz Diagnostic Radiology · Pomona, CA | 76 | 149 |
| American Medical Response Of Southern California Ambulance Service Provider · Irwindale, CA | 64 | 110 |
| SCHAEFER AMBULANCE SERVICE, INC | 48 | 89 |
| Hamidreza Torshizy Diagnostic Radiology · San Diego, CA | 46 | 73 |
| Christina Benedict Diagnostic Radiology · Pomona, CA | 45 | 90 |
| Johnson Lightfoote Diagnostic Radiology · Pomona, CA | 38 | 71 |
| John Mourani Infectious Disease · Pomona, CA | 36 | 104 |