PROVIDER PROFILE · NPI 1861484032
Erik HappMD
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). 2 inbound referrers · 0 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| WEST PENN ALLEGHENY HEALTH SYSTEM INC. | 33 | 91 |
| William Christie Ophthalmology · Cranberry Township, PA | 15 | 26 |