PROVIDER PROFILE · NPI 1134168925
Warren JohnsonM.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). 6 inbound referrers · 13 outbound destinations.
| Physician | Patients | Visits |
|---|---|---|
| David Ryder Diagnostic Radiology · Phoenix, AZ | 25 | 40 |
| Anthony Katz Family Practice · Phoenix, AZ | 24 | 35 |
| Brian Wadley Diagnostic Radiology · Portland, OR | 21 | 34 |
| HONORHEALTH | 17 | 30 |
| MAYO CLINIC ARIZONA | 12 | 32 |
| Gary Kauffman Cardiology · Phoenix, AZ | 11 | 20 |
| Physician | Patients | Visits |
|---|---|---|
| Sonora Quest Laboratories Llc Clinical Laboratory · Phoenix, AZ | 272 | 1,074 |
| David Ryder Diagnostic Radiology · Phoenix, AZ | 58 | 94 |
| Paul Coulombe Family Practice · Paradise Valley, AZ | 34 | 57 |
| Laboratory Corporation Of America Clinical Laboratory · Phoenix, AZ | 34 | 92 |
| Anthony Katz Family Practice · Phoenix, AZ | 18 | 29 |
| HONORHEALTH | 18 | 34 |
| JOHNSON, MICHAEL | 17 | 25 |
| Richard Strand Diagnostic Radiology · Phoenix, AZ | 16 | 21 |
| Brian Wadley Diagnostic Radiology · Portland, OR | 15 | 19 |
| MAYO CLINIC ARIZONA | 15 | 36 |
| Gypsy Paar Family Practice · Honolulu, HI | 15 | 29 |
| BLAIR, THANMAYA | 13 | 18 |