Aria Kieft, MD
Radiation Oncology Physician · Bay City, MI
Aria Kieft, MD is a radiation oncology physician with a practice address in Bay City, Michigan, and NPI 1790247641, issued on Apr 1, 2019. Check the license (Michigan 4301511748, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Aria Kieft
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 4301511748 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3180 E Midland RD, Bay City, MI 48706
- Phone
- (989) 667-6670
- Enumerated
- Apr 1, 2019
- Record last updated
- Jul 9, 2024
- Medicare enrollment
- Enrolled (PECOS I20240806001404); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 239 in Michigan → Look up another NPI →
Also registered at 3180 E Midland RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Bergman, M.D.Radiation Oncology Physician1013302397
Verify Aria Kieft in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301511748Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average radiation oncology physician in 2024
38 Medicare Part D claims for 19 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Hesham E Gayar MD PCBay City, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aria Kieft among 239 radiation oncology physician records in Michigan
Aria Kieft, MD is one of 239 radiation oncology physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 85% of them.
- NPI issued2019 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2019 · median 2005 among the 172 with a school on file
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Michigan
There are 239 radiation oncology physician records in Michigan.
All 239 in Michigan → Every provider in Bay City → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- David Bergman, M.D.Bay City, MI 487061013302397
- Rajesh Kotecha, MDMidland, MI 486701770529158
- Rajnikant Mehta, MDMidland, MI 486701811924566
- Ebin Sebastian, MBBSMidland, MI 486701023698651
- Jwong Ling, M.D.West Branch, MI 486611255325445
- Muayad Almahariq, MD/PHDAlma, MI 488011841640182
- James Fugazzi, M.D,Saginaw, MI 486041003809005
- Mark Zaki, M.D.Saginaw, MI 486041194089441
Common questions
What is Aria Kieft, MD's NPI number?
Aria Kieft, MD's National Provider Identifier (NPI) is 1790247641, issued on Apr 1, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Aria Kieft, MD located?
The NPPES record lists a practice address at 3180 E Midland RD, Bay City, MI, 48706. Phone: (989) 667-6670. Providers update this record themselves, so call before visiting.
How can I verify Aria Kieft, MD's license?
NPPES lists Michigan license number 4301511748, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Aria Kieft, MD prescribe under Medicare Part D?
In 2024, Aria Kieft, MD had 38 Medicare Part D claims for 19 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.