REFERRAL NETWORK
Where David Chee's patients come from & go
Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 18 inbound referrers · 38 outbound destinations.
Receives referrals from
Inbound — who sends patients here
| Physician | Patients | Visits |
|---|
| STANFORD HEALTH CARE TRI-VALLEY | 253 | 1,349 |
| Mark Tu Diagnostic Radiology · Walnut Creek, CA | 40 | 122 |
| Ramford Ng Cardiology · Pleasanton, CA | 24 | 89 |
| Morgan Lin Cardiology · Pleasanton, CA | 22 | 92 |
| Donald Lai Cardiology · Pleasanton, CA | 21 | 61 |
| North Star Emergency Services, Inc. Ambulance Service Provider · Livermore, CA | 19 | 66 |
| Ruby Chang Diagnostic Radiology · Walnut Creek, CA | 18 | 50 |
| NPI 1386644359 | 18 | 63 |
| Michael Gagnon Ophthalmology · Pleasanton, CA | 16 | 62 |
| Bill Wong Pulmonary Disease · Pleasanton, CA | 15 | 60 |
| John Yee Internal Medicine · Pleasanton, CA | 15 | 39 |
| SAVELL, JONATHAN | 15 | 44 |
Refers patients to
Outbound — where patients go next
| Physician | Patients | Visits |
|---|
| STANFORD HEALTH CARE TRI-VALLEY | 198 | 827 |
| Christopher Tran Diagnostic Radiology · Walnut Creek, CA | 43 | 111 |
| Chirag Pandya Sleep Medicine · Pleasanton, CA | 29 | 147 |
| Unilab Corporation Clinical Laboratory · Sacramento, CA | 28 | 191 |
| Mark Tu Diagnostic Radiology · Walnut Creek, CA | 27 | 89 |
| Amy Asandra Diagnostic Radiology · Walnut Creek, CA | 25 | 70 |
| Morgan Lin Cardiology · Pleasanton, CA | 25 | 82 |
| Ramford Ng Cardiology · Pleasanton, CA | 24 | 85 |
| PARAMEDICS PLUS, LLC | 23 | 73 |
| Young Kang Urology · Pleasanton, CA | 22 | 104 |
| North Star Emergency Services, Inc. Ambulance Service Provider · Livermore, CA | 22 | 58 |
| Kimberly Blumberg Diagnostic Radiology · Walnut Creek, CA | 21 | 51 |
Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.