Dr. Alexander Ong Sy MD Pulmonologist

Dr. Alexander Sy is a pulmonologist in Raleigh, North Carolina. He is affiliated with multiple hospitals in the area, including Duke Raleigh Hospital and Duke University Hospital. He received his medical degree from University of the Philippines College of Medicine and has been in practice for 28 years. Dr. Sy accepts several types of health insurance, listed below. He is one of 5 doctors at Duke Raleigh Hospital and one of 59 at Duke University Hospital who specialize in Pulmonary Disease.

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Office Location

See Contact Information

Specialty & Clinical Interests

Pulmonologist: Asthma & COPD, Critical Care Medicine, Pulmonary Rehabilitation, Sleep Medicine

Hospital Affiliation

Duke Raleigh Hospital

Duke University Hospital
Ranked #4 in Pulmonology

Durham Regional Hospital
High performing in Pulmonology

Education & Medical Training

St Agnes Hospital (Baltimore MD)
Residency, Internal Medicine, 1988 - 1991

St Louis University School of Medicine
Fellowship, Critical Care Medicine, 1991 - 1993

Allegheny General Hospital-Western Pennsylvania Hospital
Fellowship, Pulmonary Disease, 1993 - 1995

University of the Philippines College of Medicine
Class of 1986

Isenberg School of Management- University of Massachussetts Amherst
Other Training, Medical Management, 2009 - 2014

Certifications & Licensure

American Board of Internal Medicine
Certified 20 years in Internal Medicine

American Board of Internal Medicine
Certified 19 years in Critical Care Medicine

American Board of Internal Medicine
Certified 18 years in Pulmonary Disease

MD State Medical License
Active through 2013

MO State Medical License
Active through 2013

NC State Medical License

SC State Medical License
Active through 2013

VA State Medical License
Active through 2014

Insurances Accepted

  • Aetna Choice POS II
  • Aetna HMO
  • BCBS Blue Card PPO
  • BCBS North Carolina BlueOptions PPO
  • First Health PPO
  • Humana ChoiceCare Network PPO
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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