ARIA KIEFT MD
NPI 1790247641
Radiology - Radiation Oncology in Bay City, MI
About Aria Kieft Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ARIA KIEFT MD (NPI 1790247641) is an individual radiation oncology provider in Bay City, Michigan, licensed in Michigan (4301511748) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with Mclaren Bay Region, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Aria Kieft Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Aria Kieft reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Flint, MI 48532
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Hesham E Gayar MD PC
- 8 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 11
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mclaren Bay Region
Acute Care Hospitals · Bay City, MICovenant Medical Center
Acute Care Hospitals · Saginaw, MIMclaren Central Michigan
Acute Care Hospitals · Mount Pleasant, MIMymichigan Medical Center Midland
Acute Care Hospitals · Midland, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48706 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Aria Kieft's NPI number?
The NPI number for Aria Kieft is 1790247641. It was assigned to this individual provider in the NPPES registry on April 1, 2019.
Where is Aria Kieft located?
Aria Kieft practices at 3180 E Midland Rd, Bay City, MI 48706. The listed phone number is (989) 667-6670.
What is Aria Kieft's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Aria Kieft enrolled in Medicare?
Yes. Aria Kieft is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Aria Kieft's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aria Kieft reassigns Medicare benefits to Hesham E Gayar, M.D., P.C. (Flint, MI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Aria Kieft's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Aria Kieft accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Aria Kieft as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Aria Kieft affiliated with any hospitals?
According to CMS data, Aria Kieft is affiliated with Mclaren Bay Region, Covenant Medical Center, Mclaren Central Michigan and Mymichigan Medical Center Midland.
When was this NPI record last updated?
The NPPES record for Aria Kieft was last updated on July 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.