Haissam M. Sabbagh, MD

Medicare activity in 2024

Official CMS public-use data for Haissam M. Sabbagh, 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. Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)874 services
2. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)573 services
3. Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)110 services
4. Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes (99350)57 services
5. Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and (G0180)32 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%
• Arthritis71%
• Depression53%
• Heart failure53%
• Alzheimer's disease or dementia51%

Hospitals where Haissam M. Sabbagh works

Medicare's Facility Affiliation Data lists Haissam M. Sabbagh 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.

• Elmhurst Memorial HospitalElmhurst, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140200

Practice locations

Addresses where Haissam M. Sabbagh is enrolled with Medicare (CMS data updated October 2, 2026).

• 121 W Hillgrove Ave, Unit 871La Grange, IL 60525 (630) 440‑7145

Specialties

• Internal Medicineprimary
• Pulmonary Diseasealso

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.

• Steve Michel, MD
• Shilpa V. Desai, DO
• Yonatan Segev, MD
• Steven S. Kim, MD
• Namratha R. Kandula, MD
• Niraja Reddy, MD
• Shujauddin N. Valika, MD
• Nabeel A. Siddiqui, MD

All internal medicine doctors in Illinois →

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