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

Internal Medicine

Yousry G. Girgis, MD

Works at hospitals in Downers Grove, IL · Chicago, IL · Illinois

Summary

Dr. Yousry G. Girgis, MD is an internal medicine doctor at 6455 S Pulaski Rd, Chicago, IL 60629. Phone: (773) 735-3456. Accepts Medicare assignment. In 2024, Yousry G. Girgis had 299 Original Medicare patients and 1,616 services. NPI 1710265970. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Yousry G. Girgis, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Yousry G. Girgis accept Medicare assignment?
Yes. Medicare's clinician data says Yousry G. Girgis accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Yousry G. Girgis see?
In 2024, CMS data shows 299 Original Medicare patients and 1,616 services for Yousry G. Girgis. This counts Original Medicare only and measures volume, not quality.
What is Yousry G. Girgis's NPI number?
1710265970. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Yousry G. Girgis, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients299
Services billed to Medicare1,616
Different services or procedures9
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)570 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)424 services
  3. Hospital discharge day management, more than 30 minutes (99239)270 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)233 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)96 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis67%
  • Chronic kidney disease57%
  • Heart failure56%
  • Diabetes55%

Hospitals where Yousry G. Girgis works

Medicare's Facility Affiliation Data lists Yousry G. Girgis at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Advocate Good Samaritan HospitalDowners Grove, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140288
  • Holy Cross HospitalChicago, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140133

Practice locations

Addresses where Yousry G. Girgis is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Chicago

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

All internal medicine doctors in Chicago →

Clinician information

CredentialMD
Graduation year1995 (31 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710265970
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians