PROVIDER PROFILE · NPI 1184653891
Mark WilliamsMD
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). 41 inbound referrers · 58 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| Paul Spirn Diagnostic Radiology · Boston, MA | 49 | 312 |
| Ronald Eisenberg Diagnostic Radiology · Boston, MA | 49 | 287 |
| Alexander Bankier Diagnostic Radiology · Worcester, MA | 44 | 269 |
| DVA HEALTHCARE OF MASSACHUSETTS INC | 41 | 540 |
| Stewart Lecker Nephrology · Boston, MA | 36 | 296 |
| BOISELLE, PHILLIP | 32 | 166 |
| Robert Stanton Nephrology · Boston, MA | 31 | 546 |
| CARDARELLI, FRANCESCA | 31 | 180 |
| James Ducksoon Chang Cardiology · Boston, MA | 29 | 89 |
| Sejal Shah Diagnostic Radiology · Dallas, TX | 29 | 100 |
| Evan Appelbaum Cardiology · Chestnut Hill, MA | 29 | 95 |
| Thomas Hauser Cardiology · Boston, MA | 27 | 103 |
| Physician | Patients | Visits |
|---|---|---|
| BETH ISRAEL DEACONESS MEDICAL CENTER, INC. | 153 | 1,603 |
| Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA | 41 | 209 |
| Ronald Eisenberg Diagnostic Radiology · Boston, MA | 41 | 286 |
| Paul Spirn Diagnostic Radiology · Boston, MA | 40 | 273 |
| Alexander Bankier Diagnostic Radiology · Worcester, MA | 38 | 233 |
| DVA HEALTHCARE OF MASSACHUSETTS INC | 34 | 342 |
| Stewart Lecker Nephrology · Boston, MA | 33 | 315 |
| MASSACHUSETTS EYE AND EAR INFIRMARY | 31 | 124 |
| NPI 1730149709 | 31 | 214 |
| FALLON SERVICE, INC. | 27 | 460 |
| BOISELLE, PHILLIP | 27 | 101 |
| Cataldo Ambulance Service Inc Ambulance Service Provider · Somerville, MA | 27 | 344 |