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

Radiation Oncology

Aria Kieft, MD

Works at hospitals in Saginaw, MI · Bay City, MI · Mount Pleasant, MI … · Michigan

Summary

Aria Kieft, MD (Radiation Oncology) is listed by Medicare at 4 hospitals in Saginaw, MI, Bay City, MI and Mount Pleasant, MI and other places. NPI 1790247641. 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 Aria Kieft, 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

Radiation OncologyPrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
Wayne State University School Of MedicineMedical school
FemaleGender (as listed)
Hesham E Gayar MD PCGroup practice

Quick answers

Which hospitals does Aria Kieft work at?
Medicare's official clinician data lists Aria Kieft at 4 hospitals: Covenant Medical Center, McLaren Bay Region, McLaren Central Michigan and MyMichigan Medical Center Midland. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Aria Kieft see patients?
Medicare's clinician data lists 2 practice locations, including Mt Pleasant, MI and Bay City, MI. Call before your visit to confirm the address.
What is Aria Kieft's specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does Aria Kieft accept Medicare assignment?
Yes. Medicare's clinician data says Aria Kieft 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 Aria Kieft?
(989) 772-6811, as listed in official Medicare / NPI Registry data.
What is Aria Kieft's NPI number?
1790247641. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Aria Kieft works

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

Group practices

Medicare enrollment lists Aria Kieft as a member of this group (CMS data updated 2026-10-02).

  • Hesham E Gayar MD PC6 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Michigan →

Other radiation oncologists in Michigan

Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.

All radiation oncologists in Michigan →

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790247641
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