PROVIDER PROFILE · NPI 1831101955
William O'brienMD
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). 36 inbound referrers · 0 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| PRESENCE CENTRAL AND SUBURBAN HOSPITALS NETWORK | 108 | 175 |
| COPLEY MEMORIAL HOSPITAL, INC. | 94 | 250 |
| Jaskiran Cheema Cardiology · Aurora, IL | 50 | 86 |
| Quest Diagnostics Llc Il Clinical Laboratory · Schaumburg, IL | 45 | 71 |
| Jaweed Sayeed Interventional Cardiology · New Braunfels, TX | 44 | 80 |
| Dave Chua Cardiology · Aurora, IL | 40 | 66 |
| Farah Hussain Cardiology · Aurora, IL | 39 | 85 |
| Dreyer Ambulatory Surgery Center, Llc Ambulatory Surgical Center · Aurora, IL | 34 | 62 |
| City Of Aurora Illinois Ambulance Service Provider · Aurora, IL | 25 | 41 |
| Syed Akbar Diagnostic Radiology · Oak Brook, IL | 24 | 63 |
| Samir Gupta Pathology · Joliet, IL | 23 | 46 |
| James Studlo Diagnostic Radiology · Aurora, IL | 23 | 36 |