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Internal Medicine

Heidi Wehlus, MD

Works at hospitals in Park Ridge, IL · Evanston, IL · Arlington Heights, IL · Illinois

Summary

Heidi Wehlus, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Park Ridge, IL, Evanston, IL and Arlington Heights, IL. NPI 1912163130. 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 Heidi Wehlus, 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
20Years since medical school (graduated 2006)
University Of Illinois College Of Med (chi/peor/rock/chm-Urb)Medical school
FemaleGender (as listed)
Endeavor Health Medical GroupGroup practice

Quick answers

Which hospitals does Heidi Wehlus work at?
Medicare's official clinician data lists Heidi Wehlus at 3 hospitals: Advocate Lutheran General Hospital, Northshore University Healthsystem - Evanston Hospital and Northwest Community Hospital 1. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Heidi Wehlus see patients?
Medicare's clinician data lists 5 practice locations, including Palatine, IL, Buffalo Grove, IL and Kildeer, IL. Call before your visit to confirm the address.
What is Heidi Wehlus's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Heidi Wehlus accept Medicare assignment?
Yes. Medicare's clinician data says Heidi Wehlus 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 Heidi Wehlus?
(847) 618-0535, as listed in official Medicare / NPI Registry data.
What is Heidi Wehlus's NPI number?
1912163130. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Heidi Wehlus works

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

Group practices

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

  • Endeavor Health Medical Group3,350 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Palatine

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

All internal medicine doctors in Palatine →

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year2006
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1912163130
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