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Dr. Marlon Ilagan, MD
21 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (9)

The overall average patient rating of Dr. Marlon Ilagan, Gastroenterology is Good. Dr. Ilagan has been reviewed by 37 patients who have provided 9 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 3.9
Promptness 3.2
Courteous Staff 3.8
Accurate Diagnosis 3.6
Bedside Manner 3.2
Spends Time with Me 3.5
Follows Up After Visit 3.1

Specialties & Research

Dr. Marlon Ilagan, MD is board certified in Gastroenterology.

  • He has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Ilagan graduated from University Of The Philippines Manila.


Dr. Ilagan has 20 hospital affiliations:

  • Winter Park Memorial Hospital 
  • Orlando Health South Seminole Hospital 


  • Filipino
  • Chinese
  • Tagalog
  • Spanish

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Additional Information
Dr. Marlon B Ilagan MD is a male Internist, has 21 years of experience and practices in Gastroenterology.
Where does Dr. Marlon B. Ilagan practice?
Dr. Marlon Ilagan has 1 office location.
Dr. Marlon Ilagan practices Gastroenterology near Orlando, FL.
See Orlando Gastroenterologists.