PROVIDER PROFILE · NPI 1144373739
Geoffrey ColbyM.D., PH.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 · 23 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| Sachin Gujar Diagnostic Radiology · Baltimore, MD | 19 | 56 |
| Oluwatoyin Idowu Diagnostic Radiology · Fairfax, VA | 18 | 56 |
| Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD | 17 | 72 |
| Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ | 16 | 49 |
| Martin Auster Diagnostic Radiology · Baltimore, MD | 12 | 45 |
| David Yousem Diagnostic Radiology · Baltimore, MD | 12 | 39 |
| Doris Lin Diagnostic Radiology · Baltimore, MD | 11 | 38 |
| HOWARD COUNTY GENERAL HOSPITAL, INC, | 11 | 28 |
| Physician | Patients | Visits |
|---|---|---|
| JOHNS HOPKINS BAYVIEW MEDICAL CENTER INC | 123 | 691 |
| THE JOHNS HOPKINS HOSPITAL | 71 | 165 |
| Lifestar Response Of Maryland, Inc Ambulance Service Provider · Annapolis Junction, MD | 29 | 59 |
| Gary Gong Diagnostic Radiology · Baltimore, MD | 18 | 32 |
| Doris Lin Diagnostic Radiology · Baltimore, MD | 18 | 68 |
| Oluwatoyin Idowu Diagnostic Radiology · Fairfax, VA | 17 | 45 |
| Marinos Kontzialis Diagnostic Radiology · Chicago, IL | 17 | 58 |
| Martin Auster Diagnostic Radiology · Baltimore, MD | 16 | 121 |
| Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ | 15 | 40 |
| AHN, HYO | 15 | 82 |
| Alexander Coon Neurosurgery · Baltimore, MD | 15 | 41 |
| Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD | 15 | 53 |