Marlon B. Ilagan, MD

Medicare activity in 2024

Official CMS public-use data for Marlon B. Ilagan, 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)600 services
2. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)271 services
3. Biopsy of large bowel using a flexible endoscope (45380)133 services
4. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)112 services
5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)70 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 cholesterol75%
• High blood pressure74%
• Arthritis49%
• Ischemic heart disease38%
• Diabetes32%
• Anxiety29%

Hospitals where Marlon B. Ilagan works

Medicare's Facility Affiliation Data lists Marlon B. Ilagan 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.

• AdventHealth OrlandoOrlando, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100007
• Orlando HealthOrlando, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100006
• Orlando Health-Health Central HospitalOcoee, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100030

Practice locations

Addresses where Marlon B. Ilagan is enrolled with Medicare (CMS data updated October 2, 2026).

• 1817 N Mills AveOrlando, FL 32803 (407) 896‑1726

Group practices

Medicare enrollment lists Marlon B. Ilagan as a member of this group (CMS data updated October 2, 2026).

• Gastroenterology Assoc of Central Fl11 clinicians in the group

Specialties

• Gastroenterologyprimary
• Internal Medicinealso

Find other Gastroenterology doctors in Florida →

Other gastroenterologists in Orlando

Clinicians with the same Medicare primary specialty in Orlando, FL — not a recommendation.

• Chanlir Segarra, MD
• Ahmad Khan, MD
• William Mayoral, MD
• Vinayak M. Shenoy, DO
• Jayapal Ramesh, MD
• Jeffrey Bornstein, MD
• Lorenc Kalaveshi, DO
• Mahendran Jayaraj, MD

All gastroenterologists in Orlando →

Other clinicians in Gastroenterology Assoc of Central Fl

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

• William Mayoral, MD
• Ehsan Rafiq, MD
• Suhail V. Colon, NP
• Jacqueline B. Larrea, NP
• Samuel A. Giday, MD
• Heather M. Korkowski, NP

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