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Diagnostic Radiology

Jonathan Barker, MD

Works at hospitals in Arlington Heights, IL · Nashville, TN · Hendersonville, TN … · Illinois, Tennessee

Summary

Jonathan Barker, MD (Diagnostic Radiology) is listed by Medicare at 5 hospitals in Arlington Heights, IL, Nashville, TN and Hendersonville, TN and other places. NPI 1942201728. 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 Jonathan Barker, 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
32Years since medical school (graduated 1994)
Medical University Of South Carolina College Of MedicineMedical school
MaleGender (as listed)
Radiology Alliance PCGroup practice (+1 more)

Quick answers

Which hospitals does Jonathan Barker work at?
Medicare's official clinician data lists Jonathan Barker at 5 hospitals: Northwest Community Hospital 1, Tristar Centennial Medical Center, Tristar Hendersonville Medical Center, Tristar Skyline Medical Center and Tristar Summit Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jonathan Barker see patients?
Medicare's clinician data lists 2 practice locations, including Oak Brook, IL and Arlington Heights, IL. Call before your visit to confirm the address.
What is Jonathan Barker's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does Jonathan Barker accept Medicare assignment?
Yes. Medicare's clinician data says Jonathan Barker 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 Jonathan Barker?
(615) 312-0600, as listed in official Medicare / NPI Registry data.
What is Jonathan Barker's NPI number?
1942201728. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jonathan Barker works

Medicare's Facility Affiliation Data lists Jonathan Barker 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 Jonathan Barker is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jonathan Barker as a member of these groups (CMS data updated 2026-10-02).

  • Radiology Alliance PC455 clinicians in the group
  • Northwest Radiology Associates SC22 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Illinois →

Other radiologists in Oak Brook

Clinicians with the same Medicare primary specialty in Oak Brook, IL — not a recommendation.

All radiologists in Oak Brook →

Clinician information

CredentialMD
Medical schoolMedical University Of South Carolina College Of Medicine
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1942201728
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