PROVIDER PROFILE · NPI 1861489049
Mark WallisM.D.
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). 20 inbound referrers · 0 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| Jason Blaser Dermatology · Tyler, TX | 498 | 949 |
| Timothy Graham Diagnostic Radiology · Longview, TX | 23 | 46 |
| SLONE, RODNEY | 22 | 36 |
| Clinical Pathology Laboratories, Inc. Clinical Laboratory · Austin, TX | 21 | 52 |
| Lawrence Roe Internal Medicine · Longview, TX | 20 | 38 |
| Rodney Henry Cardiology · Longview, TX | 20 | 36 |
| Kayvan Kamali Rheumatology · Longview, TX | 19 | 33 |
| Jonathan Greifenkamp Cardiology · Longview, TX | 18 | 21 |
| SAWYER, JAMES | 17 | 60 |
| ERWIN, DAVID | 17 | 22 |
| Paul Williams Urology · Longview, TX | 16 | 43 |
| NAYINI, KRISHNA | 16 | 42 |