Andrew I. Aronsohn, MD

Medicare activity in 2024

Official CMS public-use data for Andrew I. Aronsohn, 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. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)108 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)53 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)42 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)27 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 cholesterol63%
• Chronic kidney disease52%
• Diabetes47%
• Arthritis47%
• Heart failure30%

Hospitals where Andrew I. Aronsohn works

Medicare's Facility Affiliation Data lists Andrew I. Aronsohn 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.

• Ingalls Memorial HospitalHarvey, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140191
• Northshore University Healthsystem - Evanston HospitalEvanston, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140010
• The University of Chicago Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140088
• UChicago Medicine AdventHealth HinsdaleHinsdale, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140122
• UChicago Medicine Northwest IndianaCrown Point, IN · Acute Care Hospital · Emergency services: listed by Medicare · CCN 150195

Practice locations

Addresses where Andrew I. Aronsohn is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

• 11 Salt Creek Ln, Suite 300Hinsdale, IL 60521 (888) 824‑0200
• 120 N Oak StHinsdale, IL 60521 (630) 856‑7880
• 14290 S La Grange RdOrland Park, IL 60462
• 355 E Grand AveChicago, IL 60611 (888) 824‑0200
• 400 Skokie Blvd, Suite 300Northbrook, IL 60062 (888) 824‑0200

Group practices

Medicare enrollment lists Andrew I. Aronsohn as a member of these groups (CMS data updated October 2, 2026).

• University of Chicago1,712 clinicians in the group
• The University of Chicago Medical Center915 clinicians in the group

Specialties

• Gastroenterologyprimary
• Internal Medicinealso

Find other Gastroenterology doctors in Illinois →

Other gastroenterologists in Hinsdale

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

• Hadi Siddiqui, DO
• Matthew A. Odenwald, MD
• Carl J. Calandra Iii, DO
• Lola Kwan, MD
• Joel R. Pekow, MD
• Michelle M. Lipman, MD
• David T. Rubin, MD
• Fares Hamad, DO

All gastroenterologists in Hinsdale →

Other clinicians in University of Chicago

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

• Jason T. Alexander, MD
• Noor Abdelrahman
• Trey D. Williams, MD
• Michael R. Bishop, MD
• Paramita Das, MD
• Kishan H. Patel, 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