PROVIDER PROFILE · NPI 1508813684
Gregory HallasM.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). 8 inbound referrers · 13 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| PEACEHEALTH SOUTHWEST MEDICAL CENTER | 39 | 171 |
| American Medical Response Northwest Inc Ambulance Service Provider · Vancouver, WA | 26 | 106 |
| Howard Nelson Diagnostic Radiology · Vancouver, WA | 24 | 79 |
| Daren Benson Podiatry · Vancouver, WA | 22 | 87 |
| Kurt Schlecht Physician Assistant · Vancouver, WA | 14 | 28 |
| Katherine Stefan Nurse Practitioner · Vancouver, WA | 13 | 110 |
| Noelle Montano Diagnostic Radiology · Salem, OR | 12 | 24 |
| Willy Hwang Diagnostic Radiology · Houston, TX | 11 | 35 |
| Physician | Patients | Visits |
|---|---|---|
| LEGACY SALMON CREEK HOSPITAL | 32 | 179 |
| PEACEHEALTH SOUTHWEST MEDICAL CENTER | 31 | 148 |
| PEACEHEALTH | 29 | 91 |
| Elisa Morgan Diagnostic Radiology · Vancouver, WA | 27 | 54 |
| Daren Benson Podiatry · Vancouver, WA | 24 | 84 |
| Howard Nelson Diagnostic Radiology · Vancouver, WA | 22 | 83 |
| American Medical Response Northwest Inc Ambulance Service Provider · Vancouver, WA | 21 | 84 |
| Kurt Schlecht Physician Assistant · Vancouver, WA | 18 | 31 |
| Jonah Zwemer Diagnostic Radiology · Vancouver, WA | 17 | 43 |
| David Chang Diagnostic Radiology · Vancouver, WA | 16 | 28 |
| Katherine Stefan Nurse Practitioner · Vancouver, WA | 15 | 100 |
| Michael Cooper Cardiology · Vancouver, WA | 12 | 239 |