Michael Kost, DO
Hospitalist Physician · Sun City, AZ
Michael Kost, DO is a hospitalist physician with a practice address in Sun City, Arizona, and NPI 1396374989, issued on Apr 6, 2020. Check the license (Arizona 010644, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Michael Kost
- Credential
- DO
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 010644 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 10401 W Thunderbird Blvd, Sun City, AZ 85351
- Phone
- (623) 832-4728
- Enumerated
- Apr 6, 2020
- Record last updated
- Jul 10, 2024
- Medicare enrollment
- Enrolled (PECOS I20240723004470); accepts Medicare assignment
- Medical or professional school
- Arizona College Of Osteopathic Medicine Mid Western University, 2019
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 775 in Arizona → Look up another NPI →
Also registered at 10401 W Thunderbird Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ahmed AdenCertified Registered Nurse Anesthetist1477343424
- Maria Aguirre, M.D.Anatomic Pathology & Clinical Pathology Physician1669447645
- Raniah Al-Tamsheh, M.DHospitalist Physician1750328829
- Kimberly Albright, PHARMDPharmacist1154183515
- Ellie Alevritis, MDHospitalist Physician1073573267
- Jozie AshlesonPhysician Assistant1457167157
Verify Michael Kost in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 010644Check 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 hospitalist physician in 2024
144 Medicare Part D claims for 76 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 12 claims were for opioids.
Most prescribed
- Cefdinir14 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.
Industry payments in 2024: $34.18
2 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Banner Hospital Based Physicians Arizona LLCSun City, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Kost among 775 hospitalist physician records in Arizona
Michael Kost, DO is one of 775 hospitalist physician records with a practice address in Arizona. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 84% of them.
- NPI issued2020 · 84% of these records are older, 12% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2019 · median 2011 among the 618 with a school on file
- Record last updated2024 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
47 hospitalist physician records list a practice address in Sun City
They are 47 of the 813 NPPES records with a practice address in Sun City, and 775 hospitalist physician records in Arizona.
All 775 in Arizona → Every provider in Sun City → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Raniah Al-Tamsheh, M.DSun City, AZ 853511750328829
- Ellie Alevritis, MDSun City, AZ 853511073573267
- Sandeep Badhwar, M.D.Sun City, AZ 853511952374993
- Rishika Basappa, MD, MPHSun City, AZ 853511437359478
- Rael Bennett, MDSun City, AZ 853511124078548
- Douglas Cutler, M.D.Sun City, AZ 853511841253804
- Hal Gordon, M.D.Sun City, AZ 853511831184563
- Sarju Govani, D.O.Sun City, AZ 853511255592226
Common questions
What is Michael Kost, DO's NPI number?
Michael Kost, DO's National Provider Identifier (NPI) is 1396374989, issued on Apr 6, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Michael Kost, DO located?
The NPPES record lists a practice address at 10401 W Thunderbird Blvd, Sun City, AZ, 85351. Phone: (623) 832-4728. Providers update this record themselves, so call before visiting.
How can I verify Michael Kost, DO's license?
NPPES lists Arizona license number 010644, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Kost, DO prescribe under Medicare Part D?
In 2024, Michael Kost, DO had 144 Medicare Part D claims for 76 beneficiaries; the average among hospitalist physician prescribers was 521. 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.