Is this your profile?
Claim it for free to update your information and connect with patients.
📅 How to Book an Appointment
MyDoktor.ph is a directory and cannot book appointments or answer schedule questions. Contact the clinic or hospital directly:
- Call or visit Adventist Medical Center and College Manila, Quezon City and ask for Dr. Leonardo O. Ona III's clinic schedule and room number.
- Ask whether you need an appointment or can walk in.
- Bring your previous results and a valid ID.
Are you Dr. Leonardo O. Ona III? Claim this profile to add your contact details.
Report a problem with this listing
Dr. Leonardo O. Ona III
General Surgery
Quezon City, Metro Manila
About
General Surgery in Quezon City, Metro Manila. Listed as a PhilHealth-accredited physician in PhilHealth's public list of accredited health care professionals (as of September 30, 2026). Also listed in MediCard Philippines' directory of accredited doctors (as of February 2025).
Hospital Affiliations
- 🏥Adventist Medical Center and College Manila
- 🏥St. Luke's Medical Center - Global City
- 🏥Healthmax Medical and Diagnostic Center Opc
- 🏥St. Luke's Medical Center
- 🏥United Doctors Medical Center
Clinic Schedules
As listed by MediCard (Feb 2025). Schedules change often, so please call the clinic to confirm before your visit.
Adventist Medical Center and College Manila
Pasay · Room 19
- Thu
- 2:00 PM–7:00 PM
St. Luke's Medical Center - Global City
Taguig · MAB 7818
- Mon
- 1:00 PM–5:00 PM
- Wed
- 1:00 PM–5:00 PM
- Fri
- 1:00 PM–5:00 PM
Healthmax Medical and Diagnostic Center Opc
Manila
Schedule not listed
St. Luke's Medical Center
Quezon City
Schedule not listed
United Doctors Medical Center
Quezon City
Schedule not listed
Informational purposes only. This directory does not constitute medical advice. Always verify credentials directly with the Professional Regulation Commission (PRC) and consult a licensed physician for medical decisions.
Report a problem with this listing