Lawrence Yee-Chun
Ong, MD

Interventional Cardiology, Cardiology, Internal Medicine

(631) 351-2386

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About your doctor:

Member of Northwell Health Physician Partners
Languages spoken:
Chinese, English


Board certifications:

  • Cardiovascular Disease - American Board of IM/Cardiovascular Disease
  • Internal Medicine - American Board of Internal Medicine
  • Interventional Cardiology - American Board of IM/Interventional Cardiology

Administrative titles

  • Department Chairman of Cardiology, Huntington Hospital
  • Department Chairperson of Cardiology, Southside Hospital

Academic titles

  • Associate Professor, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell

Medical school

  • University of CA at San Francisco School of Med


  • North Shore University Hospital


  • North Shore University Hospital


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Locations & insurance

HH - Dept of Cardiology

  • 270 Park Avenue
    Huntington, NY 11743

  • 300 Community Drive
    Manhasset, NY 11030

    Fax: (516) 562-2087

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Patient ratings & comments

Northwell Health Physician Partners is improving the patient experience by displaying physician ratings and reviews. Learn more.

Friendliness/courtesy of the care provider


Explanations the care provider gave you about your problem or condition


Concern the care provider showed for your questions or worries


Care provider’s efforts to include you in decisions about your treatment


Information the care provider gave you about medications (if any)


Instructions the care provider gave you about follow-up care (if any)


Degrees to which care provider talked with you using words you could understand


Amount of time the care provider spent with you


Your confidence in this care provider


Likelihood of your recommending this care provider to others


Most recent comments:

Patient comments are gathered from the Press Ganey Patient Satisfaction Survey. Comments are displayed in their entirety and are anonymous for patient privacy.

"Best doctor I ever had!!!"

"I would recommend Dr. Ong to all my family & friends. Dr. Ong was recommended to me and I'm glad he was. Took care of all my health issues. Highly recommend."

"Dr. Ong did a PFO closure procedure for me in 2012. He is the best cardiologist surgeon. He saved my life. I am very grateful to him for that."

"I have recommended Dr. Ong to several friends and at least one has used him with the most positive results."

"Dr. Ong saved my life on 2-12-2001 after a massive MI due to a RCA rupture in an other hospital I highly recommend Dr. Ong and after all these years, he is the only one MD I will let do a catheterization on me."

"Dr. Lawrence Ong is the best, most knowledgeable, kind, caring physician I have had treat me. After an TEE, he visited me in the Cath Lab and we will proceed with the PED. He is amazing as a doctor - best bedside manner ever!"

"Dr. Ong is thoughtful & a caring doctor."

"Thorough - Explains patients questions."

"it was my 2nd visit with this doctor- but I felt he did not know much about me and my health- as if just another patient."

"As you can see I consider Dr. Ong exceptional in his care and service."

"no complaints"

"Never had a bad experience with Dr. Ong and staff."

"Very friendly and professional. Answered all my questions."



"Dr. Ong is the very best there is."


"My good experience with my provider and staff was always good friendly and helpful -"

"Experience excellent."


"Other people I have spoken have told me the difference between NSLIJ is excellent, the medical care & doctors are great."

"Dr. Ong is an amazing doctor who I can trust."

"Extremely professional, knowledgeable, excellent bedside manner."

"Very good."

"I consider Dr. Ong a true professional -"

"Dr. Ong is absolutely wonderful."

"Dr. Ong is a superior person."

"I have been a patient of this provider for app. 22 years - extremely well satisfied with his care -"