Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Robert E. Langman, DO

Works at hospitals in Winfield, IL · Geneva, IL · Dekalb, IL … · Illinois

Summary

Robert E. Langman, DO (Internal Medicine) is listed by Medicare at 5 hospitals in Winfield, IL, Geneva, IL and Dekalb, IL and other places. NPI 1164592432. 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 Robert E. Langman, 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
39Years since medical school (graduated 1987)
Des Moines University Of Osteopathic Medicine And Health SciencesMedical school
MaleGender (as listed)
Central Dupage Physician GroupGroup practice

Quick answers

Which hospitals does Robert E. Langman work at?
Medicare's official clinician data lists Robert E. Langman at 5 hospitals: Northwestern Medicine Central Dupage Hospital, Northwestern Medicine Delnor Community Hospital, Northwestern Medicine Kishwaukee Hospital, Northwestern Medicine McHenry and Northwestern Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Robert E. Langman see patients?
Medicare's clinician data lists 1 practice location in South Elgin, IL. Call before your visit to confirm the address.
What is Robert E. Langman's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Robert E. Langman accept Medicare assignment?
Yes. Medicare's clinician data says Robert E. Langman 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 Robert E. Langman?
(630) 315-6700, as listed in official Medicare / NPI Registry data.
What is Robert E. Langman's NPI number?
1164592432. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Robert E. Langman works

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

Group practices

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

  • Central Dupage Physician Group1,080 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Illinois

Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.

All internal medicine doctors in Illinois →

Clinician information

CredentialDO
Medical schoolDes Moines University Of Osteopathic Medicine And Health Sciences
Graduation year1987
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1164592432
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