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Emergency Medicine

Jennifer S. Ron, MD

Works at hospitals in Lake Forest, IL · Winfield, IL · Chicago, IL · Illinois

Summary

Jennifer S. Ron, MD (Emergency Medicine) is listed by Medicare at 3 hospitals in Lake Forest, IL, Winfield, IL and Chicago, IL. NPI 1629021977. 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 Jennifer S. Ron, 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
33Years since medical school (graduated 1993)
Rush Medical College Of Rush UniversityMedical school
FemaleGender (as listed)
Northwestern Medical Faculty FoundationGroup practice (+1 more)

Quick answers

Which hospitals does Jennifer S. Ron work at?
Medicare's official clinician data lists Jennifer S. Ron at 3 hospitals: Northwestern Lake Forest Hospital, Northwestern Medicine Central Dupage Hospital and Northwestern Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jennifer S. Ron see patients?
Medicare's clinician data lists 2 practice locations, including Lake Forest, IL. Call before your visit to confirm the address.
What is Jennifer S. Ron's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Jennifer S. Ron accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer S. Ron 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 Jennifer S. Ron?
(847) 234-5600, as listed in official Medicare / NPI Registry data.
What is Jennifer S. Ron's NPI number?
1629021977. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jennifer S. Ron works

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

Group practices

Medicare enrollment lists Jennifer S. Ron as a member of these groups (CMS data updated 2026-10-02).

  • Northwestern Medical Faculty Foundation4,503 clinicians in the group
  • Mass Medical SC5 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Illinois →

Other emergency medicine doctors in Lake Forest

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

All emergency medicine doctors in Lake Forest →

Clinician information

CredentialMD
Medical schoolRush Medical College Of Rush University
Graduation year1993
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1629021977
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