Richard N. Olen, MD

Medicare activity in 2024

Official CMS public-use data for Richard N. Olen, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)444 services
2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)163 services
3. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)120 services
4. New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)107 services
5. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)79 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%
• Arthritis55%
• Heart failure46%
• Ischemic heart disease45%
• Diabetes44%

Hospitals where Richard N. Olen works

Medicare's Facility Affiliation Data lists Richard N. Olen 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.

• AMITA Health Resurrection Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140117

Practice locations

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

• 100 N River RdDes Plaines, IL 60016 (847) 297‑1800
• 7435 W Talcott AveChicago, IL 60631 (773) 774‑8000

Group practices

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

• Prime Healthcare Illinois Medical Group LLC322 clinicians in the group

Specialties

• General Surgeryprimary

Find other General Surgery doctors in Illinois →

Other general surgeons in Des Plaines

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

• Jonathan Rubin, MD
• Peter Mihalakakos, MD
• Charles R. Gruner, MD
• Carlos R. Gonzalez Rendon, MD
• Giovanni Giannotti, MD
• Matthew J. Hyser, MD
• Andrew Schwemmer, MD

All general surgeons in Des Plaines →

Other clinicians in Prime Healthcare Illinois Medical Group LLC

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

• Adrienne L. Fregia, MD
• Farhan Tai, DO
• Irfan Vora, DO
• Michelle C. Garrett, NP
• Fares W. Sweis, MD
• James Voci, 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