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Diagnostic Radiology

Karol J. Cios, DO

Works at hospitals in Columbus, OH · Marietta, OH · Marion, OH … · Ohio

Summary

Karol J. Cios, DO (Diagnostic Radiology) is listed by Medicare at 5 hospitals in Columbus, OH, Marietta, OH and Marion, OH and other places. NPI 1730308701. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Karol J. Cios, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
23Years since medical school (graduated 2003)
At Still University Of Health Sciences, College Of Osteo Med, KirksvilleMedical school
MaleGender (as listed)
Riverside Radiology and Interventional Associates IncGroup practice

Quick answers

Which hospitals does Karol J. Cios work at?
Medicare's official clinician data lists Karol J. Cios at 5 hospitals: Doctors Hospital, Marietta Memorial Hospital, Marion General Hospital, OhioHealth Mansfield Hospital and Riverside Methodist Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Karol J. Cios see patients?
Medicare's clinician data lists 28 practice locations, including Marion, OH, Nelsonville, OH and Willard, OH. Call before your visit to confirm the address.
What is Karol J. Cios's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does Karol J. Cios accept Medicare assignment?
Yes. Medicare's clinician data says Karol J. Cios accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Karol J. Cios?
(740) 383-8400, as listed in official Medicare / NPI Registry data.
What is Karol J. Cios's NPI number?
1730308701. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Karol J. Cios works

Medicare's Facility Affiliation Data lists Karol J. Cios at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Karol J. Cios is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 28; the Medicare profile lists all.

Group practices

Medicare enrollment lists Karol J. Cios as a member of this group (CMS data updated 2026-10-02).

  • Riverside Radiology and Interventional Associates Inc253 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Ohio →

Other radiologists in Marion

Clinicians with the same Medicare primary specialty in Marion, OH — not a recommendation.

All radiologists in Marion →

Clinician information

CredentialDO
Medical schoolAt Still University Of Health Sciences, College Of Osteo Med, Kirksville
Graduation year2003
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1730308701
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians