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Nephrology

James J. Rydel, MD

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

Summary

James J. Rydel, MD (Nephrology) is listed by Medicare at 4 hospitals in Oak Lawn, IL, Winfield, IL and Evergreen Park, IL and other places. NPI 1225078413. 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 James J. Rydel, 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
38Years since medical school (graduated 1988)
Rush Medical College Of Rush UniversityMedical school
MaleGender (as listed)
J R Nephology and Associates IncGroup practice

Quick answers

Which hospitals does James J. Rydel work at?
Medicare's official clinician data lists James J. Rydel 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 James J. Rydel see patients?
Medicare's clinician data lists 1 practice location in Oak Lawn, IL. Call before your visit to confirm the address.
What is James J. Rydel's specialty?
Medicare lists Nephrology as the primary specialty.
Does James J. Rydel accept Medicare assignment?
Yes. Medicare's clinician data says James J. Rydel 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 James J. Rydel offer telehealth?
Medicare's clinician data says James J. Rydel offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for James J. Rydel?
(708) 425-0522, as listed in official Medicare / NPI Registry data.
What is James J. Rydel's NPI number?
1225078413. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where James J. Rydel works

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

Group practices

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

  • J R Nephology and Associates Inc4 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
Medical schoolRush Medical College Of Rush University
Graduation year1988
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1225078413
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