PROVIDER PROFILE · NPI 1487613022
John ZapasM.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). 18 inbound referrers · 27 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| Rizwana Afzal Diagnostic Radiology · Frederick, MD | 32 | 111 |
| David Rhee Diagnostic Radiology · Frederick, MD | 30 | 72 |
| Marsha Naydich Diagnostic Radiology · Eden Prairie, MN | 25 | 72 |
| Frederick County Maryland Ambulance Service Provider · Frederick, MD | 24 | 49 |
| Sherwin Danaie Diagnostic Radiology · Frederick, MD | 23 | 72 |
| Natasha Annor General Surgery · Culpeper, VA | 22 | 68 |
| BENNETT, MATTHEW | 21 | 59 |
| Hitesh Patel Cardiology · Frederick, MD | 20 | 59 |
| Jay Lehman Diagnostic Radiology · Ephrata, PA | 19 | 57 |
| Peter Kremers Diagnostic Radiology · Frederick, MD | 18 | 56 |
| Livio Romani General Surgery · Hinton, WV | 17 | 42 |
| Mark Glass-Royal Diagnostic Radiology · Frederick, MD | 15 | 56 |
| Physician | Patients | Visits |
|---|---|---|
| FREDERICK HEALTH HOSPITAL INC | 111 | 544 |
| Rizwana Afzal Diagnostic Radiology · Frederick, MD | 25 | 61 |
| Ashish Barman Pathology · Frederick, MD | 25 | 60 |
| Sherwin Danaie Diagnostic Radiology · Frederick, MD | 24 | 84 |
| Anthony Rowedder Diagnostic Radiology · Frederick, MD | 24 | 77 |
| Judd Goldberg Diagnostic Radiology · Frederick, MD | 24 | 70 |
| David Rhee Diagnostic Radiology · Frederick, MD | 21 | 56 |
| Butler Medical Transport, Llc Ambulance Service Provider · Windsor Mill, MD | 19 | 37 |
| Marsha Naydich Diagnostic Radiology · Eden Prairie, MN | 17 | 69 |
| Chen Tung Internal Medicine · Frederick, MD | 15 | 42 |
| David Yu Cardiology · Frederick, MD | 15 | 29 |
| Natasha Annor General Surgery · Culpeper, VA | 14 | 25 |