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Nephrology

Thaddeo C. Oconer, MD

Works at hospitals in Phoenix, AZ · Mesa, AZ · Casa Grande, AZ · Arizona

Summary

Thaddeo C. Oconer, MD (Nephrology) is listed by Medicare at 5 hospitals in Phoenix, AZ, Mesa, AZ and Casa Grande, AZ. NPI 1104928571. 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 Thaddeo C. Oconer, 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

NephrologyPrimary specialty
YesAccepts Medicare assignment
38Years since medical school (graduated 1988)
MaleGender (as listed)
Desert Kidney Associates PLCGroup practice

Quick answers

Which hospitals does Thaddeo C. Oconer work at?
Medicare's official clinician data lists Thaddeo C. Oconer at 5 hospitals: Banner - University Medical Center Phoenix, Banner Baywood Medical Center, Banner Casa Grande Medical Center, Banner Desert Medical Center and Banner Heart Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Thaddeo C. Oconer see patients?
Medicare's clinician data lists 1 practice location in Mesa, AZ. Call before your visit to confirm the address.
What is Thaddeo C. Oconer's specialty?
Medicare lists Nephrology as the primary specialty.
Does Thaddeo C. Oconer accept Medicare assignment?
Yes. Medicare's clinician data says Thaddeo C. Oconer 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 Thaddeo C. Oconer?
(480) 834-9039, as listed in official Medicare / NPI Registry data.
What is Thaddeo C. Oconer's NPI number?
1104928571. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Thaddeo C. Oconer works

Medicare's Facility Affiliation Data lists Thaddeo C. Oconer 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 Thaddeo C. Oconer is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Thaddeo C. Oconer as a member of this group (CMS data updated 2026-10-02).

  • Desert Kidney Associates PLC27 clinicians in the group

Specialties

Find other Nephrology doctors in Arizona →

Other nephrologists in Mesa

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

All nephrologists in Mesa →

Clinician information

CredentialMD
Graduation year1988
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1104928571
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