PROVIDER PROFILE · NPI 1447247606
John MccallumM.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). 12 inbound referrers · 17 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| Quest Diagnostics Llc Clinical Laboratory · Wallingford, CT | 147 | 896 |
| YALE NEW HAVEN HOSPITAL | 130 | 441 |
| SLANE, ASSUNTA | 108 | 424 |
| Paul Oliver Physician Assistant · New Haven, CT | 45 | 215 |
| VISITING NURSE ASSOCIATION COMMUNITY HEALTHCARE, INC | 33 | 108 |
| NASH, IRWIN | 18 | 86 |
| HARTFORD HEALTHCARE LABORATORIES | 18 | 81 |
| Heather Syombathy Certified Registered Nurse Anesthetist (CRNA) · Danbury, CT | 18 | 101 |
| Christopher Schulten Anesthesiology · New Haven, CT | 17 | 84 |
| American Medical Response Of Connecticut Incorporated Ambulance Service Provider · New Haven, CT | 14 | 38 |
| Yale University Clinical Laboratory · New Haven, CT | 12 | 20 |
| Jillian Sacco Certified Registered Nurse Anesthetist (CRNA) · New Haven, CT | 11 | 43 |
| Physician | Patients | Visits |
|---|---|---|
| YALE NEW HAVEN HOSPITAL | 135 | 530 |
| Quest Diagnostics Llc Clinical Laboratory · Wallingford, CT | 114 | 478 |
| SLANE, ASSUNTA | 86 | 202 |
| YALE NEW HAVEN HOSPITAL | 60 | 121 |
| HAHN, IL SONG | 54 | 177 |
| Paul Oliver Physician Assistant · New Haven, CT | 36 | 64 |
| VISITING NURSE ASSOCIATION COMMUNITY HEALTHCARE, INC | 30 | 97 |
| LEONARD-PASLEY, KEVIN | 29 | 46 |
| Christopher Voets Anesthesiology · New Haven, CT | 24 | 74 |
| Denisa Lujic Anesthesiology · New Haven, CT | 20 | 66 |
| ATHENA HOME HEALTH, LLC | 18 | 85 |
| American Medical Response Of Connecticut Incorporated Ambulance Service Provider · New Haven, CT | 18 | 57 |