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Physician Assistant

Karla E. Stewart

Works at hospitals in Lake Forest, IL · McHenry, IL · Illinois

Summary

Karla E. Stewart (Physician Assistant) is listed by Medicare at 2 hospitals in Lake Forest, IL and McHenry, IL. NPI 1598746521. 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 Karla E. Stewart, 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

Physician AssistantPrimary specialty
YesAccepts Medicare assignment
24Years since medical school (graduated 2002)
FemaleGender (as listed)
Northwestern Medical Faculty FoundationGroup practice

Quick answers

Which hospitals does Karla E. Stewart work at?
Medicare's official clinician data lists Karla E. Stewart at 2 hospitals: Northwestern Lake Forest Hospital and Northwestern Medicine McHenry. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Karla E. Stewart see patients?
Medicare's clinician data lists 9 practice locations, including Lake Forest, IL, Grayslake, IL and Chicago, IL. Call before your visit to confirm the address.
What is Karla E. Stewart's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Karla E. Stewart accept Medicare assignment?
Yes. Medicare's clinician data says Karla E. Stewart 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 Karla E. Stewart?
(847) 535-8500, as listed in official Medicare / NPI Registry data.
What is Karla E. Stewart's NPI number?
1598746521. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Karla E. Stewart works

Medicare's Facility Affiliation Data lists Karla E. Stewart 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 Karla E. Stewart is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.

Group practices

Medicare enrollment lists Karla E. Stewart as a member of this group (CMS data updated 2026-10-02).

  • Northwestern Medical Faculty Foundation4,503 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Illinois →

Other physician assistants in Lake Forest

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

All physician assistants in Lake Forest →

Clinician information

Graduation year2002
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598746521
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