Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Ayrn D O'Connor, MD

Individual provider Internal Medicine Physician · NPI 1194785063

Ayrn D O'Connor, MD is a Medical Toxicology in Phoenix, Arizona. Graduated from Indiana University School of Medicine in 2000, 26 years ago. Practices with Mayo Clinic Arizona, a 1,616-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
26
Trained at
Indiana 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

1012 E Willetta St Fl 2
Phoenix, AZ 85006-2749
Phone: (602) 839-2391
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 13400 E Shea Blvd, Scottsdale, AZ 85259-5499 — (904) 953-2000

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 33871 (AZ)
Internal Medicine Physician Taxonomy 207R00000X · Licence 33871 (AZ)

Record details

NPI number1194785063
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 24, 2006
Last updated in NPPESAugust 26, 2025
Certification dateAugust 26, 2025

Medicare enrollment

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

Medicare specialtyMEDICAL TOXICOLOGY
Also practisesEMERGENCY MEDICINE
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Mayo Clinic Arizona — 1616 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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