Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Diagnostic Radiology

Calvin Javier, MD

Works at hospitals in Chicago, IL · Illinois

Summary

Calvin Javier, MD (Diagnostic Radiology) is listed by Medicare at 2 hospitals in Chicago, IL. NPI 1366585366. 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 Calvin Javier, 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
27Years since medical school (graduated 1999)
University Of Illinois College Of Med (chi/peor/rock/chm-Urb)Medical school
MaleGender (as listed)
Cook CountyGroup practice

Quick answers

Which hospitals does Calvin Javier work at?
Medicare's official clinician data lists Calvin Javier at 2 hospitals: John H Stroger Jr Hospital and Provident Hospital of Chicago. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Calvin Javier see patients?
Medicare's clinician data lists 1 practice location in Chicago, IL. Call before your visit to confirm the address.
What is Calvin Javier's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does Calvin Javier accept Medicare assignment?
Yes. Medicare's clinician data says Calvin Javier 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 Calvin Javier?
(312) 572-2000, as listed in official Medicare / NPI Registry data.
What is Calvin Javier's NPI number?
1366585366. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Calvin Javier works

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

Group practices

Medicare enrollment lists Calvin Javier as a member of this group (CMS data updated 2026-10-02).

  • Cook County788 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Illinois →

Other radiologists in Chicago

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

All radiologists in Chicago →

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1366585366
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