Francisco Marruenda, MD

Medicare activity in 2024

Official CMS public-use data for Francisco Marruenda, 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 moderate level of decision making, if using time, 30 minutes or more (99214)274 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)272 services
3. Established patient complete exam of visual system (92014)220 services
4. Exam of visual field with extended testing (92083)125 services
5. Injection of drug into eye (67028)110 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%
• Diabetes62%
• Arthritis49%
• Chronic kidney disease34%
• Ischemic heart disease29%

Hospitals where Francisco Marruenda works

Medicare's Facility Affiliation Data lists Francisco Marruenda 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.

• Advocate Illinois Masonic Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140182

Practice locations

Addresses where Francisco Marruenda is enrolled with Medicare (CMS data updated October 2, 2026).

• 5086 N Elston AveChicago, IL 60630 (773) 282‑2000
• 836 W Wellington AveChicago, IL 60657 (773) 296‑8000

Group practices

Medicare enrollment lists Francisco Marruenda as a member of this group (CMS data updated October 2, 2026).

• Ocular Partners PLLC20 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.

• Craig A. White, MD
• Jeremy A. Lavine
• Ann Marie Lobo-Chan, MD
• Ronald S. Weiss, MD
• Kathryn Winkler, MD
• Mathew W. Maccumber, MD
• Jerry D. Hai, DO
• Brian S. Herst, MD

All ophthalmologists in Chicago →

Other clinicians in Ocular Partners PLLC

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

• Smriti Jain, OD
• Priyanka Patel
• Morgan Frechie, DO
• Shivan Tekwani, MD
• Andrew O. Lewicky, MD
• Richard A. Quinones, 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