Eliza J. Pierko, MD

Medicare activity in 2024

Official CMS public-use data for Eliza J. Pierko, 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, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)161 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)78 services
3. X-ray of knee, 1-2 views (73560)59 services
4. X-ray of lower and sacral spine, 2-3 views (72100)58 services
5. X-ray of both knees while standing (73565)58 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).

• Arthritis75%
• High blood pressure70%
• High cholesterol70%
• Diabetes27%
• Anxiety23%
• Ischemic heart disease19%

Hospitals where Eliza J. Pierko works

Medicare's Facility Affiliation Data lists Eliza J. Pierko 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.

• Loyola University Medical CenterMaywood, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140276
• MacNeal HospitalBerwyn, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140054

Practice locations

Addresses where Eliza J. Pierko is enrolled with Medicare (CMS data updated October 2, 2026).

• 3249 Oak Park AveBerwyn, IL 60402 (708) 783‑0700

Group practices

Medicare enrollment lists Eliza J. Pierko as a member of this group (CMS data updated October 2, 2026).

• Loyola Medical Group LLC127 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Berwyn

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

• Kavya B. Poluru
• Yili Guo, MD
• Aditi Puri, MD
• Lalitha K. Darbha, MD
• Manahil Munir, MD
• James G. Martin, MD
• Zohaib Haque, DO
• Laura Saelinger Shafer, MD

All internal medicine doctors in Berwyn →

Other clinicians in Loyola Medical Group LLC

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

• Elizabeth A. Paganessi, MD
• Hemlatta Patel
• Sirisha Yellayi, DO
• Leticia Gonzalez, MD
• Louis E. De La Garza Jr., MD
• Alexander P. Soneru, 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