PROVIDER PROFILE · NPI 1083731327
Michael O'connor
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). 33 inbound referrers · 55 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| MACMAHON, HEBER | 69 | 1,147 |
| GREENBERG, BRENT | 61 | 729 |
| Alexandra Funaki Diagnostic Radiology · Burr Ridge, IL | 44 | 360 |
| John Edward Blair Interventional Cardiology · Seattle, WA | 42 | 194 |
| Amit Patel Cardiology · Charlottesville, VA | 36 | 235 |
| Jeffrey Leef Interventional Radiology · Chicago, IL | 36 | 348 |
| Valluvan Jeevanandam Cardiac Surgery · Chicago, IL | 34 | 411 |
| Jonathan Paul Interventional Cardiology · Chicago, IL | 31 | 145 |
| Karin Dill Diagnostic Radiology · Atlanta, GA | 30 | 217 |
| Gaurav Upadhyay Clinical Cardiac Electrophysiology · Chicago, IL | 30 | 191 |
| NPI 1124181631 | 30 | 212 |
| Steven Zangan Diagnostic Radiology · Chicago, IL | 29 | 191 |
| Physician | Patients | Visits |
|---|---|---|
| THE UNIVERSITY OF CHICAGO MEDICAL CENTER | 141 | 375 |
| Steven Montner Diagnostic Radiology · Chicago, IL | 87 | 1,180 |
| MACMAHON, HEBER | 79 | 1,202 |
| GREENBERG, BRENT | 71 | 635 |
| Alexandra Funaki Diagnostic Radiology · Burr Ridge, IL | 57 | 449 |
| Christopher Straus Diagnostic Radiology · Chicago, IL | 53 | 525 |
| Steven Zangan Diagnostic Radiology · Chicago, IL | 48 | 280 |
| NPI 1124181631 | 41 | 244 |
| Jeffrey Leef Interventional Radiology · Chicago, IL | 39 | 243 |
| Rupa Sanghani Cardiology · Chicago, IL | 36 | 97 |
| Michael Broman Clinical Cardiac Electrophysiology · Urbana, IL | 34 | 133 |
| Medical Express Ambulance Service, Inc Ambulance Service Provider · Skokie, IL | 34 | 166 |