Credentials

Credentials

  • Board certifications

    • Internal Medicine - American Board of Internal Medicine

    • Cardiovascular Disease - American Board of IM/Cardiovascular Disease

    • 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

  • Residencies

    • North Shore University Hospital

  • Fellowships

    • North Shore University Hospital

  • Affiliations

    • Huntington Hospital

    • Long Island Jewish Medical Center

    • North Shore University Hospital

    • Peconic Bay Medical Center

    • Southside Hospital

Locations & insurance

Locations & insurance

300 Community DriveManhasset, NY 11030

Insurance information

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Patient ratings & comments

Patient ratings & comments

Unlike websites where anyone can post doctor reviews, only actual patients can provide information by completing the survey sent to them by Press Ganey. Learn more.

4.9 out of 5 4.9 out of 5 rating
| 142.0 patient ratings & 33 patient comments

Friendliness/courtesy of the care provider

4.9 out of 5 4.9 out of 5 rating

Explanations the care provider gave you about your problem or condition

4.9 out of 5 4.9 out of 5 rating

Concern the care provider showed for your questions or worries

4.8 out of 5 4.8 out of 5 rating

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

4.9 out of 5 4.9 out of 5 rating

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

4.8 out of 5 4.8 out of 5 rating

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

4.8 out of 5 4.8 out of 5 rating

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

4.9 out of 5 4.9 out of 5 rating

Amount of time the care provider spent with you

4.8 out of 5 4.8 out of 5 rating

Your confidence in this care provider

4.9 out of 5 4.9 out of 5 rating

Likelihood of your recommending this care provider to others

4.9 out of 5 4.9 out of 5 rating

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.

01/16/2019
"Dr Ong is an expert in his field of cardiology. He explained the plan of care. He answered our questions and guided us as to what to anticipate."
10/01/2018
"Dr. Ong was very pleasant and demonstrated interest in my history. He was inclusive as to treatment plan. He seems to be a genuine, kind person who is VERY smart. "
09/20/2018
"I was extremely happy with the care, courtesy, understanding and knowledge of Dr. Ong."
07/30/2018
"I have recommended Dr. Ong numerous times!"
06/23/2018
"Dr. Ong is a very professional, courteous, understanding, knowledgeable doctor I would definitely recommend him to others."
04/25/2018
"Best doctor I ever had!!!"
03/27/2018
"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."
03/06/2018
"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."
01/31/2018
"I have recommended Dr. Ong to several friends and at least one has used him with the most positive results."
12/08/2017
"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."
11/08/2017
"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!"
10/12/2017
"Dr. Ong is thoughtful & a caring doctor."
08/31/2017
"Thorough - Explains patients questions."
07/17/2017
"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."
06/06/2017
"As you can see I consider Dr. Ong exceptional in his care and service."
05/16/2017
"no complaints"
04/17/2017
"Never had a bad experience with Dr. Ong and staff."
04/05/2017
"Very friendly and professional. Answered all my questions."
02/01/2017
"Great."
12/09/2016
"Good."
03/08/2016
"Dr. Ong is the very best there is."
03/08/2016
"Excellent."
02/11/2016
"My good experience with my provider and staff was always good friendly and helpful -"
12/04/2015
"Experience excellent."
07/07/2015
"Good."
04/20/2015
"Other people I have spoken have told me the difference between NSLIJ is excellent, the medical care & doctors are great."
03/26/2015
"Dr. Ong is an amazing doctor who I can trust."
03/19/2015
"Extremely professional, knowledgeable, excellent bedside manner."
03/18/2015
"Very good."
03/18/2015
"I consider Dr. Ong a true professional -"
03/05/2015
"Dr. Ong is absolutely wonderful."
02/20/2015
"Dr. Ong is a superior person."
12/02/2014
"I have been a patient of this provider for app. 22 years - extremely well satisfied with his care -"

In the news

In the news

In the news
Southside Hospital is treating heart valve issues with minimally invasive devices, the first cardiac catheterization program on Long Island or Queens to offer the procedure...
Southside Hospital Cardiology Chair Dr. Lawrence Ong weighs in transcatheter mitral valve repair as a way to reduce hospitalization and mortality.
Southside Hospital became the first hospital in the Northeast to replace a leaky heart valve without open-heart surgery.
Southside surgeons conduct groundbreaking minimally invasive heart procedure