NPPES file of Aug 9, 2026

John P. Ewonus, D.O.

Diagnostic Radiology Physician · Bryan, OH

John P. Ewonus, D.O. is a diagnostic radiology physician with a practice address in Bryan, Ohio, and NPI 1437127040, issued on Mar 9, 2006. Check the license (Ohio 34.006160, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437127040
Name
John P. Ewonus
Credential
D.O.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
34.006160 OH
Self-reported in NPPES; status is on the state search
Practice location
433 W High St, Bryan, OH 43506
Phone
(419) 636-1131
Enumerated
Mar 9, 2006
Record last updated
Apr 15, 2025
Medicaid IDs
4298373 MI
4298382 MI
0165780 OH
4107426 MI
Medicare enrollment
Enrolled (PECOS I20040708000304); accepts Medicare assignment
Medical or professional school
At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 1982
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 433 W High St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mahmoud Afifi, MDHematology & Oncology Physician1699701110
  2. Fatmah Albaaj, MDFamily Medicine Physician1023373081
  3. Caitlin Armstrong, CRNACertified Registered Nurse Anesthetist1053884585
  4. Robert Arrom, M.D.Obstetrics & Gynecology Physician1487664256
  5. Hanan Bazzi, M.D.Obstetrics & Gynecology Physician1396189718
  6. Gary Brown, RPHPharmacist1609617950

Verify John P. Ewonus in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 34.006160
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Defiance Radiologist Associates IncNapoleon, OH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John P. Ewonus among 1,582 diagnostic radiology physician records in Ohio

John P. Ewonus, D.O. is one of 1,582 diagnostic radiology physician records with a practice address in Ohio. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 19% of them.

  • NPI issued2006 · 19% of these records are older, 42% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated1982 · median 2002 among the 1,060 with a school on file
  • Record last updated2025 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Ohio

There are 1,582 diagnostic radiology physician records in Ohio.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Darren Chao, M.D.Bryan, OH 435061063480663
  2. Usha Sharma, M.D.Bryan, OH 435061578532602
  3. Hassan Semaan, MDNapoleon, OH 435451144209420
  4. Edmundo Somoza, M.D.Napoleon, OH 435451700836566
  5. Thomas Jones, MDPerrysburg, OH 435511386665719
  6. Sina Hazneci, M.D.Port Clinton, OH 434521790891596
  7. Dean Hountras, M.D.Sylvania, OH 435601750356291
  8. Estela Miquiabas, MDWauseon, OH 435671528029360

Common questions

What is John P. Ewonus, D.O.'s NPI number?

John P. Ewonus, D.O.'s National Provider Identifier (NPI) is 1437127040, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John P. Ewonus, D.O. located?

The NPPES record lists a practice address at 433 W High St, Bryan, OH, 43506. Phone: (419) 636-1131. Providers update this record themselves, so call before visiting.

How can I verify John P. Ewonus, D.O.'s license?

NPPES lists Ohio license number 34.006160, 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.

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.