PROVIDER PROFILE · NPI 1710921127
John GrassoM.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). 6 inbound referrers · 0 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| Pacific Eye Institute A Medical Group Inc Ambulatory Surgical Center · Upland, CA | 75 | 123 |
| Unilab Corporation Clinical Laboratory · West Hills, CA | 22 | 31 |
| CANIZALES, CARLOS | 14 | 25 |
| AKAMINE, JAMES | 12 | 12 |
| John Goffigan Diagnostic Radiology · Edina, MN | 11 | 11 |
| Christopher Tsai Urology · Upland, CA | 11 | 44 |