Barry N. Rosenblum, MD

Medicare activity in 2024

Official CMS public-use data for Barry N. Rosenblum, 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 low level od decision making, if using time, 20 minutes or more (99213)92 services
2. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)67 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 cholesterol74%
• Arthritis45%
• Diabetes37%
• Ischemic heart disease33%
• Depression25%

Hospitals where Barry N. Rosenblum works

Medicare's Facility Affiliation Data lists Barry N. Rosenblum 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.

• Alton Memorial HospitalAlton, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140002
• Anderson HospitalMaryville, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140289
• Gateway Regional Medical CenterGranite City, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140125
• OSF Saint Anthony's Health CenterAlton, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 140052

Practice locations

Addresses where Barry N. Rosenblum is enrolled with Medicare (CMS data updated October 2, 2026).

• 4230 S State Route 159Glen Carbon, IL 62034 (618) 288‑6870

Group practices

Medicare enrollment lists Barry N. Rosenblum as a member of this group (CMS data updated October 2, 2026).

• Ahs Il Medical Group LLC45 clinicians in the group

Specialties

• Otolaryngologyprimary

Find other Otolaryngology doctors in Illinois →

Other ENT doctors in Illinois

Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.

• Ryan G. Porter, MD
• Sue J. Kim, MD
• Tyler C. Cebulko, MD
• Sandeep Samant, MD
• Colten Wolf
• Gary L. Livingston, MD
• Robert A. Battista, MD
• Joseph J. Donzelli, MD

All ENT doctors in Illinois →

Other clinicians in Ahs Il Medical Group LLC

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

• Scott D. Knox, PA
• David S. Zhu, MD
• Dalton A. Halm
• Lawrence T. Harmon, MD
• Jacob C. Blakeman, DPM
• Murtuza H. Bahrainwala, 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