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Gastroenterology

Daniel R. Ganger, MD

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

Summary

Daniel R. Ganger, MD (Gastroenterology) is listed by Medicare at 5 hospitals in Lake Forest, IL, Winfield, IL and McHenry, IL and other places. NPI 1407821689. 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 Daniel R. Ganger, 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
YesOffers telehealth
50Years since medical school (graduated 1976)
MaleGender (as listed)
Northwestern Medical Faculty FoundationGroup practice

Quick answers

Which hospitals does Daniel R. Ganger work at?
Medicare's official clinician data lists Daniel R. Ganger at 5 hospitals: Northwestern Lake Forest Hospital, Northwestern Medicine Central Dupage Hospital, Northwestern Medicine McHenry, Northwestern Memorial Hospital and Palos Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Daniel R. Ganger see patients?
Medicare's clinician data lists 22 practice locations, including Chicago, IL, Evanston, IL and Bloomingdale, IL. Call before your visit to confirm the address.
What is Daniel R. Ganger's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does Daniel R. Ganger accept Medicare assignment?
Yes. Medicare's clinician data says Daniel R. Ganger 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.
Does Daniel R. Ganger offer telehealth?
Medicare's clinician data says Daniel R. Ganger offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Daniel R. Ganger?
(630) 358-4414, as listed in official Medicare / NPI Registry data.
What is Daniel R. Ganger's NPI number?
1407821689. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Daniel R. Ganger works

Medicare's Facility Affiliation Data lists Daniel R. Ganger 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 Daniel R. Ganger is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 22; the Medicare profile lists all.

Group practices

Medicare enrollment lists Daniel R. Ganger as a member of this group (CMS data updated 2026-10-02).

  • Northwestern Medical Faculty Foundation4,503 clinicians in the group

Specialties

Find other Gastroenterology doctors in Illinois →

Other gastroenterologists in Chicago

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

All gastroenterologists in Chicago →

Clinician information

CredentialMD
Graduation year1976
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1407821689
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