Elmer Y. Tu, MD

Medicare activity in 2024

Official CMS public-use data for Elmer Y. Tu, 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)720 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)127 services
3. Removal of cataract with insertion of prosthetic lens (66984)80 services
4. Ct scan of cornea (92025)76 services
5. Measurement of corneal curvature and depth of eye (92136)41 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 cholesterol72%
• High blood pressure69%
• Arthritis47%
• Diabetes33%
• Ischemic heart disease26%
• Chronic kidney disease22%

Hospitals where Elmer Y. Tu works

Medicare's Facility Affiliation Data lists Elmer Y. Tu 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.

• Northshore University Healthsystem - Evanston HospitalEvanston, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140010
• Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140281
• University of Illinois Hospital and ClinicsChicago, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140150

Practice locations

Addresses where Elmer Y. Tu is enrolled with Medicare (CMS data updated October 2, 2026).

• 1855 W Taylor StChicago, IL 60612 (312) 996‑6590

Group practices

Medicare enrollment lists Elmer Y. Tu as a member of this group (CMS data updated October 2, 2026).

• The Board of Trustees of the University of Illinois1,150 clinicians in the group

Specialties

• Ophthalmologyprimary

Find other Ophthalmology doctors in Illinois →

Other ophthalmologists in Chicago

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

• Diany S. Morales, MD
• Carol H. Schmidt, MD
• Amy W. Vandenbrook, MD
• Peter W. Macintosh, MD
• Uma L. Balakrishnan, MD
• Chloe Y. Li, MD
• Michael H. Guerra, MD
• Anita Goyal

All ophthalmologists in Chicago →

Other clinicians in The Board of Trustees of the University of Illinois

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

• Elliot S. Weisenberg, MD
• Jenna Fitzpatrick
• Aiman Ghufran, MD
• James H. Cho, MD
• James Swakow, MD
• Mayank M. Kansal, 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