Jonathon Summerfield Stewart
Emergency Medicine Physician · Kettering, OH
Jonathon Summerfield Stewart is an emergency medicine physician with a practice address in Kettering, Ohio, and NPI 1801539960, issued on Apr 17, 2022. Check the license (Ohio 35.153066, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Jonathon Summerfield Stewart
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 35.153066 OH
Self-reported in NPPES; status is on the state search - Practice location
- 3535 Southern Blvd, Kettering, OH 45429
- Phone
- (937) 395-8166
- Enumerated
- Apr 17, 2022
- Record last updated
- Apr 7, 2025
- Medicare enrollment
- Enrolled (PECOS I20250703001372); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 2022
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,002 in Ohio → Look up another NPI →
Also registered at 3535 Southern Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kokou Adompreh Fia, MDHospitalist Physician1952922817
- Amanda AlbrightInfectious Diseases Pharmacist1760293088
- Isaac Albright, PAPhysician Assistant1710867577
- Catherine AlexPhysician Assistant1801696893
Verify Jonathon Summerfield Stewart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.153066Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average emergency medicine physician in 2024
92 Medicare Part D claims for 58 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Ibuprofen13 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
- Emergency Medicine Specialists IncKettering, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathon Summerfield Stewart among 3,002 emergency medicine physician records in Ohio
Jonathon Summerfield Stewart is one of 3,002 emergency medicine physician records with a practice address in Ohio. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 92% of them.
- NPI issued2022 · 92% of these records are older, 4% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2022 · median 2013 among the 1,720 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
147 emergency medicine physician records list a practice address in Kettering
They are 147 of the 1,612 NPPES records with a practice address in Kettering, and 3,002 emergency medicine physician records in Ohio.
All 3,002 in Ohio → Every provider in Kettering → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Aditya Arora, MDKettering, OH 454291073599981
- Prashanth Bhat, MDKettering, OH 454291952387862
- Jennifer Bocock, MDKettering, OH 454291609852805
- James Brown, MDKettering, OH 454291366428468
- Natalie Cullen, MDKettering, OH 454291942286000
- Scott Doak, MDKettering, OH 454291508842568
- Mark Gebhart, MDKettering, OH 454291831176155
- Gary Gries, MDKettering, OH 454291609871458
Common questions
What is Jonathon Summerfield Stewart's NPI number?
Jonathon Summerfield Stewart's National Provider Identifier (NPI) is 1801539960, issued on Apr 17, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Jonathon Summerfield Stewart located?
The NPPES record lists a practice address at 3535 Southern Blvd, Kettering, OH, 45429. Phone: (937) 395-8166. Providers update this record themselves, so call before visiting.
How can I verify Jonathon Summerfield Stewart's license?
NPPES lists Ohio license number 35.153066, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jonathon Summerfield Stewart prescribe under Medicare Part D?
In 2024, Jonathon Summerfield Stewart had 92 Medicare Part D claims for 58 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.