JOHN P EWONUS (D.O.) – Diagnostic Radiology Physician, NPI 1437127040

JOHN P EWONUS (D.O.) is a healthcare provider. based in Napoleon, Ohio. specializing in DIAGNOSTIC RADIOLOGY. They hold the professional credentials D.O.. They hold a License No. 34.006160 (OH). The NPI Number for JOHN P EWONUS (D.O.) is 1437127040

Main info

Male
44 Years Of Experience
Accepts Medicare Assignment
Name
JOHN P EWONUS (D.O.)
NPI
1437127040
Phone
(419) 592-4015
Address
1600 E Riverview Ave
Enumeration Date
9 March 2006
Last Update Date
15 April 2025

Doctor Profile

Medical School Name
AT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Secondary Phone
4199984498
Graduation Year
1982 (44 years ago)
PAC ID
1951215508
Group Practice PAC ID
1355363862
Professional Enrollment ID
I20040708000304
Address ID
OH458072268LI525XXRDXX400

Contacts

Secure Messaging
prod@henrycountyhospital.medicity.net
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

1,804 DIAGNOSTIC RADIOLOGY in OH

Provider Addresses for JOHN P EWONUS (D.O.)

  • 1600 E Riverview Ave

    Napoleon, OH 435459805

    Phone: (419) 592-4015

    Type: Location

  • 168 S Howell St

    Hillsdale, MI 492422040

    Phone: (517) 437-4451

    Type: Location

  • Bryan Hospital, 433, West High Street, Bryan Downtown Historic District, Bryan, Pulaski, Williams County, Ohio, 43506, United States

    BRYAN, OH 435061690

    Phone: (419) 636-1131

    Type: Location

  • PO BOX 5789

    LONGVIEW, TX 756085789

    Phone: (903) 663-4800

    Fax: (419) 223-2726

    Type: Mailing

  • PO BOX 1049

    LIMA, OH 458021049

    Phone: (419) 224-5707

    Fax: (419) 223-2726

    Type: Mailing

  • Lima Post Office, 7275, West Main Street, Village of Lima, Town of Lima, Livingston County, New York, 14485, United States

    LIMA, OH 458021046

    Phone: (419) 224-5707

    Fax: (419) 229-0040

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-07-08

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040708000304IDiagnostic RadiologyOHTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
71045X-ray of chest, 1 view266202$0
71046X-ray of chest, 2 views231197$0
77067Screening mammography154154$0
77063Screening 3d breast mammography154154$0
70450Ct scan head or brain without contrast141133$0
View full utilization report →

Insurance plans in this area (ZIP 43545)

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Provider's Procedures

JOHN P EWONUS (D.O.) performs procedures in DIAGNOSTIC RADIOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
DIAGNOSTIC RADIOLOGYOH71010X-ray of chest, 1 view, front404306
DIAGNOSTIC RADIOLOGYOH74177CT scan of abdomen and pelvis with contrast133127
DIAGNOSTIC RADIOLOGYOH78815Nuclear medicine study with CT imaging skull base to mid-thigh1615

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1355363862View full group profile
NameSpecialtyState
Interventional Radiology, Nuclear Medicine, Diagnostic RadiologyOH
Diagnostic RadiologyOH
Diagnostic Radiology, Interventional Radiology, Interventional RadiologyMI

Reviews

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Frequently asked questions

How is JOHN P EWONUS (D.O.) identified in CMS data?
CMS-hosted NPPES data lists JOHN P EWONUS (D.O.) with NPI 1437127040.
Is JOHN P EWONUS (D.O.) listed as active for patients and plans?
The listing shows JOHN P EWONUS (D.O.) as active in the NPI system.
What taxonomy line describes JOHN P EWONUS (D.O.)?
For research purposes, treat JOHN P EWONUS (D.O.) as Diagnostic Radiology Physician in this dataset. Clinical services aligned with this taxonomy classification.
Where is JOHN P EWONUS (D.O.) based?
JOHN P EWONUS (D.O.) is tied to Napoleon, Ohio in the data we show; additional addresses may exist on the full record.
How many locations tie to this NPI?
6 practice locations appear in the available data.

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