Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John P Ewonus, DO

Individual provider Diagnostic Radiology Physician · NPI 1437127040

John P Ewonus, DO is a Diagnostic Radiology in Bryan, Ohio. Graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1982, 44 years ago. Practices with Defiance Radiologist Associates Inc, a 4-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
44
Trained at
At Still University of Health Sciences, College of Osteo Med, Kirksville
Licensed in
OH
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

433 W High St
Bryan, OH 43506-1690
Phone: (419) 636-1131
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 168 S Howell St, Hillsdale, MI 49242-2040 — (517) 437-4451
  • 1600 E Riverview Ave, Napoleon, OH 43545-9805 — (419) 592-4015

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 34.006160 (OH)

Record details

NPI number1437127040
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 9, 2006
Last updated in NPPESApril 15, 2025
Certification dateApril 15, 2025
Mailing addressPo Box 5789, Longview, TX 75608-5789

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolAT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Graduated 1982 (44 years in practice)
Group practice Defiance Radiologist Associates Inc — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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