Ghazwan Shaaya, MD

Medicare activity in 2024

Official CMS public-use data for Ghazwan Shaaya, 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.

Most frequent services

1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)1,063 services
2. Advance care planning, first 30 minutes (99497)354 services
3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)236 services
4. Hospital discharge day management, more than 30 minutes (99239)122 services
5. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)23 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%
• Arthritis61%
• Ischemic heart disease45%
• Chronic kidney disease44%
• Heart failure44%

Hospitals where Ghazwan Shaaya works

Medicare's Facility Affiliation Data lists Ghazwan Shaaya 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 Lutheran General HospitalPark Ridge, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140223
• Northshore University Healthsystem - Evanston HospitalEvanston, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140010

Practice locations

Addresses where Ghazwan Shaaya is enrolled with Medicare (CMS data updated October 2, 2026).

• 1425 N Randall RdElgin, IL 60123 (847) 742‑9800

Group practices

Medicare enrollment lists Ghazwan Shaaya as a member of this group (CMS data updated October 2, 2026).

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

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Elgin

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

• Shahwar F. Syed, MD
• James F. Koop, MD
• Jerry J. Myrda, DO
• Manish Patel
• Patricia K. Merlo, DO
• Imran H. Kazmi, MD
• Justin Macmillan, DO
• Piotr Michaliszyn, MD

All internal medicine doctors in Elgin →

Other clinicians in Advocate Health and Hospitals Corporation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Jennifer L. Davis, CNA
• Susan Lis, MD
• Oscar Ruiz, MD
• Martin M. Wrobel, MD
• Ngozi N. Emuchay, MD
• Reginald L. Thomas, MD

Clinician information

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