Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Anesthesiology

Christopher O'Neill, MD

Works at hospitals in Tucson, AZ · Arizona

Summary

Christopher O'Neill, MD (Anesthesiology) is listed by Medicare at 2 hospitals in Tucson, AZ. NPI 1063406759. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Christopher O'Neill, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
34Years since medical school (graduated 1992)
University Of Texas Southwestern Medical School At DallasMedical school
MaleGender (as listed)
Banner-University Medical GroupGroup practice (+1 more)

Quick answers

Which hospitals does Christopher O'Neill work at?
Medicare's official clinician data lists Christopher O'Neill at 2 hospitals: Banner - University Medical Center Tucson Campus and Tucson Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Christopher O'Neill see patients?
Medicare's clinician data lists 4 practice locations, including Tucson, AZ. Call before your visit to confirm the address.
What is Christopher O'Neill's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Christopher O'Neill accept Medicare assignment?
Yes. Medicare's clinician data says Christopher O'Neill accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Christopher O'Neill?
(520) 207-2546, as listed in official Medicare / NPI Registry data.
What is Christopher O'Neill's NPI number?
1063406759. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Christopher O'Neill works

Medicare's Facility Affiliation Data lists Christopher O'Neill at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Christopher O'Neill is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Christopher O'Neill as a member of these groups (CMS data updated 2026-10-02).

  • Banner-University Medical Group1,072 clinicians in the group
  • Ias Arizona PLLC114 clinicians in the group

Specialties

Find other Anesthesiology doctors in Arizona →

Other anesthesiologists in Tucson

Clinicians with the same Medicare primary specialty in Tucson, AZ — not a recommendation.

All anesthesiologists in Tucson →

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Southwestern Medical School At Dallas
Graduation year1992
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1063406759
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians