John Karis, M.D.
Diagnostic Radiology · Phoenix, AZ
John Karis, M.D. is a diagnostic radiology in Phoenix, AZ with about 39 yrs in practice.
- SpecialtyDiagnostic Radiology
- Medical schoolDUKE UNIVERSITY SCHOOL OF MEDICINE (1987)
- TelehealthNot reported
- Practice size8 clinicians
- Medicare assignmentAccepts assignment (Medicare-approved amount as full payment)
- Medicare activity~1,064 patients across 1,880 services, avg age 74
Common services
| Service | Medicare services | Medicare allows | |
|---|---|---|---|
| Ct scan head or brain without contrast | 477 | $36 | See prices → |
| Mri scan of brain before and after contrast | 293 | $98 | See prices → |
| Mri scan of brain without contrast | 113 | $63 | See prices → |
| Ct scan of upper spine without contrast | 113 | $43 | See prices → |
| Ct scan of lower spine without contrast | 91 | $42 | See prices → |
| Ct scan of blood vessels of head with contrast | 89 | $74 | See prices → |
| Ct scan of head or brain before and after contrast | 74 | $54 | See prices → |
| Mri scan of blood vessels of neck with contrast | 45 | $62 | See prices → |
| Mri scan of lower spinal canal without contrast | 43 | $64 | See prices → |
| Mri scan of blood vessels of head without contrast | 42 | $52 | See prices → |
| Mri scan of upper spinal canal before and after contrast | 35 | $99 | See prices → |
| Mri scan of upper spinal canal without contrast | 32 | $62 | See prices → |
Hospital affiliations
Source: CMS Medicare Physician & Other Practitioners and the Doctors & Clinicians National Downloadable File (most recent release). Counts reflect Original Medicare activity only and are not a measure of quality. “Medicare allows” is the Medicare fee schedule amount — not what an insured or cash patient pays; for patient prices see the linked procedure pages. Always confirm a clinician’s current details with their office.