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Internal Medicine

Lela Demeter, MD

Works at hospitals in Oak Lawn, IL · Winfield, IL · Palos Heights, IL · Illinois

Summary

Lela Demeter, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Oak Lawn, IL, Winfield, IL and Palos Heights, IL. NPI 1285763607. 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 Lela Demeter, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
35Years since medical school (graduated 1991)
FemaleGender (as listed)
United Elite Hospitalists LLCGroup practice

Quick answers

Which hospitals does Lela Demeter work at?
Medicare's official clinician data lists Lela Demeter at 3 hospitals: Advocate Christ Hospital & Medical Center, Northwestern Medicine Central Dupage Hospital and Palos Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Lela Demeter see patients?
Medicare's clinician data lists 2 practice locations, including Palos Heights, IL. Call before your visit to confirm the address.
What is Lela Demeter's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Lela Demeter accept Medicare assignment?
Yes. Medicare's clinician data says Lela Demeter 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 Lela Demeter?
(708) 587-0000, as listed in official Medicare / NPI Registry data.
What is Lela Demeter's NPI number?
1285763607. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Lela Demeter works

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

Group practices

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

  • United Elite Hospitalists LLC25 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Palos Heights

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

All internal medicine doctors in Palos Heights →

Clinician information

CredentialMD
Graduation year1991
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1285763607
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