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Nephrology

Osezua Olear, MD

Works at hospitals in Oak Lawn, IL · Winfield, IL · Evergreen Park, IL … · Illinois

Summary

Osezua Olear, MD (Nephrology) is listed by Medicare at 4 hospitals in Oak Lawn, IL, Winfield, IL and Evergreen Park, IL and other places. NPI 1346650249. 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 Osezua Olear, 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

NephrologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
12Years since medical school (graduated 2014)
MaleGender (as listed)
Kidney Care Center South LLCGroup practice

Quick answers

Which hospitals does Osezua Olear work at?
Medicare's official clinician data lists Osezua Olear at 4 hospitals: Advocate Christ Hospital & Medical Center, Northwestern Medicine Central Dupage Hospital, OSF Little Company of Mary Medical Center and Palos Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Osezua Olear see patients?
Medicare's clinician data lists 1 practice location in Oak Lawn, IL. Call before your visit to confirm the address.
What is Osezua Olear's specialty?
Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
Does Osezua Olear accept Medicare assignment?
Yes. Medicare's clinician data says Osezua Olear 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.
Does Osezua Olear offer telehealth?
Medicare's clinician data says Osezua Olear offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Osezua Olear?
(708) 598-2448, as listed in official Medicare / NPI Registry data.
What is Osezua Olear's NPI number?
1346650249. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Osezua Olear works

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

Group practices

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

  • Kidney Care Center South LLC5 clinicians in the group

Specialties

Find other Nephrology doctors in Illinois →

Other nephrologists in Oak Lawn

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

All nephrologists in Oak Lawn →

Clinician information

CredentialMD
Graduation year2014
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1346650249
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