Joel R. Pekow, MD

Medicare activity in 2024

Official CMS public-use data for Joel R. Pekow, 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. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)115 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)81 services
3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)40 services
4. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)27 services
5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)25 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 cholesterol66%
• Arthritis55%
• Diabetes36%
• Chronic kidney disease34%
• Ischemic heart disease30%

Hospitals where Joel R. Pekow works

Medicare's Facility Affiliation Data lists Joel R. Pekow 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
• The University of Chicago Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140088

Practice locations

Addresses where Joel R. Pekow is enrolled with Medicare (CMS data updated October 2, 2026).

• 11 Salt Creek Ln, Suite 300Hinsdale, IL 60521 (888) 824‑0200
• 355 E Grand AveChicago, IL 60611 (888) 824‑0200
• 400 Skokie Blvd, Suite 300Northbrook, IL 60062 (888) 824‑0200
• 5841 S Maryland AveChicago, IL 60637 (773) 702‑1000

Group practices

Medicare enrollment lists Joel R. Pekow 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.

• Suman Kaur
• Bradford Chong, MD
• Sameer A. Barkatullah, MD
• Michelle M. Lipman, MD
• David T. Rubin, MD
• Carl J. Calandra Iii, DO
• Peter L. Seraphin, DO
• Russell D. Cohen, MD

All gastroenterologists in Hinsdale →

Other clinicians in University of Chicago

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

• Shivika Trivedi, MD
• Theodore L. Stern, MD
• Stefanie L. Blummer
• Rishi Arora, MD
• Andrew M. Davis, MD
• Gaurav Agnihotri, 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