Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John P Karis, MD

Individual provider Diagnostic Radiology Physician · NPI 1609841790

Dr. John P Karis, MD is a Diagnostic Radiology in Phoenix, Arizona. Graduated from Duke University School of Medicine in 1987, 39 years ago. Practices with Southwest Neuro-Imaging Ltd, an 8-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
39
Trained at
Duke University School of Medicine
Licensed in
AZ
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

350 W Thomas Rd
Phoenix, AZ 85013-4409
Phone: (602) 406-3000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neuroradiology Physician (primary) Taxonomy 2085N0700X · Licence 22185 (AZ)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 22185 (AZ)

Record details

NPI number1609841790
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 22, 2006
Last updated in NPPESOctober 7, 2025
Certification dateOctober 7, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolDUKE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1987 (39 years in practice)
Group practice Southwest Neuro-Imaging Ltd — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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