PROVIDER PROFILE · NPI 1396848990
John VanderzylMD
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). 10 inbound referrers · 14 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Houston, TX | 353 | 1,343 |
| MEMORIAL HERMANN SUGAR LAND SURGICAL HOSPITAL, LLP | 65 | 190 |
| METHODIST HEALTH CENTERS | 36 | 119 |
| CONNER, BENJAMIN | 31 | 96 |
| MEMORIAL HERMANN HEALTH SYSTEM | 27 | 77 |
| UNIVERSITY OF TEXAS M. D. ANDERSON CANCER CENTER | 17 | 39 |
| David Powell Dermatology · Lafayette, LA | 13 | 33 |
| David Portugal Interventional Cardiology · Houston, TX | 12 | 28 |
| Jennifer Falkner Physician Assistant · Sugar Land, TX | 12 | 14 |
| CHI ST. LUKE'S HEALTH BAYLOR COLLEGE OF MEDICINE MEDICAL CENTER | 11 | 16 |
| Physician | Patients | Visits |
|---|---|---|
| Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Houston, TX | 129 | 361 |
| METHODIST HEALTH CENTERS | 45 | 174 |
| MEMORIAL HERMANN SUGAR LAND SURGICAL HOSPITAL, LLP | 33 | 73 |
| MEMORIAL HERMANN HEALTH SYSTEM | 31 | 63 |
| Laboratory Corporation Of America Clinical Laboratory · Houston, TX | 24 | 51 |
| MEMORIAL HERMANN HEALTH SYSTEM | 23 | 88 |
| Snehal Mehta Diagnostic Radiology · Houston, TX | 22 | 61 |
| ST LUKES COMMUNITY DEVELOPMENT CORPORATION - SUGAR LAND | 21 | 29 |
| David Powell Dermatology · Lafayette, LA | 21 | 39 |
| David Portugal Interventional Cardiology · Houston, TX | 14 | 37 |
| Scott Mcmenemy Dermatology · Sugar Land, TX | 12 | 21 |
| Sanford Lubetkin Cardiology · Houston, TX | 12 | 18 |