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Pathology

Ian Clark, MD

Works at hospitals in Evanston, IL · Chicago, IL · Illinois

Summary

Ian Clark, MD (Pathology) is listed by Medicare at 2 hospitals in Evanston, IL and Chicago, IL. NPI 1669985958. 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 Ian Clark, 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

PathologyPrimary specialty
YesAccepts Medicare assignment
30Years since medical school (graduated 1996)
MaleGender (as listed)
Endeavor Health Medical GroupGroup practice

Quick answers

Which hospitals does Ian Clark work at?
Medicare's official clinician data lists Ian Clark at 2 hospitals: Northshore University Healthsystem - Evanston Hospital and Swedish Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ian Clark see patients?
Medicare's clinician data lists 6 practice locations, including Evanston, IL, Glenview, IL and Highland Park, IL. Call before your visit to confirm the address.
What is Ian Clark's specialty?
Medicare lists Pathology as the primary specialty.
Does Ian Clark accept Medicare assignment?
Yes. Medicare's clinician data says Ian Clark 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 Ian Clark?
(847) 869-1300, as listed in official Medicare / NPI Registry data.
What is Ian Clark's NPI number?
1669985958. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ian Clark works

Medicare's Facility Affiliation Data lists Ian Clark 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 Ian Clark is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.

Group practices

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

  • Endeavor Health Medical Group3,350 clinicians in the group

Specialties

Find other Pathology doctors in Illinois →

Other pathologists in Evanston

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

All pathologists in Evanston →

Clinician information

CredentialMD
Graduation year1996
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669985958
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