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Internal Medicine

Girma B. Assefa, MD

Works at hospitals in Oak Lawn, IL · Chicago, IL · Illinois

Summary

Girma B. Assefa, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Oak Lawn, IL and Chicago, IL. NPI 1619904992. 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 Girma B. Assefa, 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
45Years since medical school (graduated 1981)
MaleGender (as listed)
Advocate Health and Hospitals CorporationGroup practice

Quick answers

Which hospitals does Girma B. Assefa work at?
Medicare's official clinician data lists Girma B. Assefa at 2 hospitals: Advocate Christ Hospital & Medical Center and Advocate Trinity Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Girma B. Assefa see patients?
Medicare's clinician data lists 5 practice locations, including South Holland, IL, Buffalo Grove, IL and Hazel Crest, IL. Call before your visit to confirm the address.
What is Girma B. Assefa's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Girma B. Assefa accept Medicare assignment?
Yes. Medicare's clinician data says Girma B. Assefa 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 Girma B. Assefa?
(708) 730-2200, as listed in official Medicare / NPI Registry data.
What is Girma B. Assefa's NPI number?
1619904992. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Girma B. Assefa works

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

Group practices

Medicare enrollment lists Girma B. Assefa as a member of this group (CMS data updated 2026-10-02).

  • Advocate Health and Hospitals Corporation3,118 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in South Holland

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

All internal medicine doctors in South Holland →

Clinician information

CredentialMD
Graduation year1981
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619904992
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