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Gastroenterology

Mani Mahdavian, MD

Works at hospitals in Park Ridge, IL · Chicago, IL · Zion, IL … · Illinois

Summary

Mani Mahdavian, MD (Gastroenterology) is listed by Medicare at 5 hospitals in Park Ridge, IL, Chicago, IL and Zion, IL and other places. NPI 1992873624. 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 Mani Mahdavian, 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

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
34Years since medical school (graduated 1992)
MaleGender (as listed)
Prime Healthcare Illinois Medical Group LLCGroup practice (+2 more)

Quick answers

Which hospitals does Mani Mahdavian work at?
Medicare's official clinician data lists Mani Mahdavian at 5 hospitals: Advocate Lutheran General Hospital, AMITA Health Resurrection Medical Center, Midwestern Region Medical Center, Inc, 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 Mani Mahdavian see patients?
Medicare's clinician data lists 4 practice locations, including Des Plaines, IL, Zion, IL and Park Ridge, IL. Call before your visit to confirm the address.
What is Mani Mahdavian's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does Mani Mahdavian accept Medicare assignment?
Yes. Medicare's clinician data says Mani Mahdavian 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 Mani Mahdavian?
(847) 290-3800, as listed in official Medicare / NPI Registry data.
What is Mani Mahdavian's NPI number?
1992873624. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mani Mahdavian works

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

Group practices

Medicare enrollment lists Mani Mahdavian as a member of these groups (CMS data updated 2026-10-02).

  • Prime Healthcare Illinois Medical Group LLC322 clinicians in the group
  • City of Hope Medical Group of Illinois PLLC129 clinicians in the group
  • Midtown Gastroenterology and Liver Disease LLC4 clinicians in the group

Specialties

Find other Gastroenterology doctors in Illinois →

Other gastroenterologists in Des Plaines

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

All gastroenterologists in Des Plaines →

Clinician information

CredentialMD
Graduation year1992
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992873624
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