Summary

Dr. Sy graduated from the University of The Philippines Manila College of Medicine in 1986. He works in Loma Linda, CA and specializes in Pulmonology, Critical Care Medicine and Internal Medicine. Dr. Sy is affiliated with Duke Raleigh Hospital.

Quick Facts

  • 3
  • 40 years of experience
  • 17 insurance plans accepted
  • St Agnes Hospital Baltimore
  • 3 specialties
  • 14 areas of expertise
  • 3 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Male

Office Location

Jerry L Pettis Memorial Va Medical Center

11201 Benton StLoma Linda, CA 92357

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Dr. Alexander Ong Sy, MD
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Dr. Alexander Ong Sy, MDDr. Juan Carlos Echeverria, MDDr. Amanda Louise Aguilera, MDDr. Ngocthuy Nguyen Tran, MD
PulmonologyVascular & Interventional RadiologyNeuroradiologyHospital Medicine
4.2 
40 Years of Experience 22 Years of Experience 20 Years of Experience 21 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English
Loma Linda , CARiverside , CALoma Linda , CAOakdale , CA
Med School: University Of The Philippines Manila College Of Medicine Med School: Drexel University College Of Medicine Med School: Loma Linda University School Of Medicine Med School: University Of California San Diego School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Alexander Ong Sy

  • AARP
  • Aetna
  • Aetna - HMO
  • APWU
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of North Carolina
  • Blue Shield of California
  • Cigna
  • Humana
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Select Health of South Carolina
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicaid (Managed)

Medical Specialties

Dr. Alexander Ong Sy has the following 3 specialties

Specialty Expertise

Dr. Alexander Ong Sy has the following 14 areas of expertise

  • Angiographic Visualization
  • Asthma
  • Chest Infection
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Critical Care
  • Critical Care Medicine
  • Emphysema
  • Internal Medicine
  • Nutritional Support
  • Pneumonia
  • Sepsis (Blood Poisoning)
  • Sleep Apnea (Sleep Apnea Syndromes)
  • Sleep Disorders
  • Tuberculosis (TB)

Certifications, License, & Education

40 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Expired

EDUCATION & TRAINING

Residency

St Agnes Hospital Baltimore

Medical School

University Of The Philippines Manila College Of MedicineGraduated in 1986

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Frequently Asked Questions

Is Dr. Alexander Sy accepting new patients?
Dr. Alexander Sy has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Alexander Sy accept my insurance?
You can see the insurance plans that Dr. Alexander Sy accepts on their Vitals profile.
How can I make an appointment with Dr. Alexander Sy?
You can find contact information for Dr. Alexander Sy here on Vitals.
Which hospitals is Dr. Alexander Sy affiliated with?
Dr. Alexander Sy is affiliated with Duke Raleigh Hospital.
Does Dr. Alexander Sy accept virtual/telehealth appointments?
Dr. Alexander Sy has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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