Mohamad Alzein, MD

Medicare activity in 2024

Official CMS public-use data for Mohamad Alzein, 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. Injection, methylprednisolone sodium succinate, 5 mg (J2919)3,033 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)494 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)476 services
4. Injection, ceftriaxone sodium, per 250 mg (J0696)450 services
5. Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less (96367)389 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 pressure74%
• High cholesterol74%
• Arthritis46%
• Diabetes36%
• Ischemic heart disease26%
• Anxiety24%

Hospitals where Mohamad Alzein works

Medicare's Facility Affiliation Data lists Mohamad Alzein 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 Christ Hospital & Medical CenterOak Lawn, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140208
• Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140242
• Palos Community HospitalPalos Heights, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140062

Practice locations

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

• 10 Orland Square DrOrland Park, IL 60462 (708) 448‑8913
• 5907 W 63rd StChicago, IL 60638 (773) 585‑4032

Group practices

Medicare enrollment lists Mohamad Alzein as a member of these groups (CMS data updated October 2, 2026).

• Advanced Urgent Care Ltd5 clinicians in the group
• Sinai Medical Centers Ltd2 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Orland Park

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

• Sundar Sivaprakasam, MD
• Saket B. Sinha, MD
• Vijayalakshmi V. Thota, DO
• William I. Crevier, MD
• Wajid A. Khan, MD
• Paul V. Szyperski, MD
• Ashley N. Laurisch, DO
• Nicholas R. Jones, MD

All internal medicine doctors in Orland Park →

Other clinicians in Advanced Urgent Care Ltd

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

• Fakhr Abou-Rass, MD
• Sajid Mahmood, 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