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Allergy/Immunology

Diane L. Ozog, MD

Works at hospitals in Naperville, IL · Illinois

Summary

Diane L. Ozog, MD (Allergy/Immunology) is listed by Medicare at 1 hospital in Naperville, IL. NPI 1972647154. 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 Diane L. Ozog, 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

Allergy/ImmunologyPrimary specialty
YesAccepts Medicare assignment
44Years since medical school (graduated 1982)
Chicago College Of Medicine And SurgeryMedical school
FemaleGender (as listed)
Diane L Ozog, MDSCGroup practice

Quick answers

Which hospitals does Diane L. Ozog work at?
Medicare's official clinician data lists Diane L. Ozog at 1 hospital: Edward Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Diane L. Ozog see patients?
Medicare's clinician data lists 1 practice location in Naperville, IL. Call before your visit to confirm the address.
What is Diane L. Ozog's specialty?
Medicare lists Allergy/Immunology as the primary specialty, and also Pediatric Medicine.
Does Diane L. Ozog accept Medicare assignment?
Yes. Medicare's clinician data says Diane L. Ozog 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 Diane L. Ozog?
(630) 652-0606, as listed in official Medicare / NPI Registry data.
What is Diane L. Ozog's NPI number?
1972647154. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Diane L. Ozog works

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

Group practices

Medicare enrollment lists Diane L. Ozog as a member of this group (CMS data updated 2026-10-02).

  • Diane L Ozog, MDSC2 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in Illinois →

Other allergist and immunologists in Naperville

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

All allergist and immunologists in Naperville →

Clinician information

CredentialMD
Medical schoolChicago College Of Medicine And Surgery
Graduation year1982
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1972647154
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