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

    • 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.

4.8 out of 5 4.8 out of 5 rating
| 125.0 patient ratings & 30 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

4.8 out of 5 4.8 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

4.8 out of 5 4.8 out of 5 rating

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

4.7 out of 5 4.7 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

4.8 out of 5 4.8 out of 5 rating

Likelihood of your recommending this care provider to others

4.8 out of 5 4.8 out of 5 rating

Most recent comments

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

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 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
A patient at Southside Hospital in Bay Shore managed to avoid open-heart surgery thanks to a new advancement known as the Abbott’s Tendyne Transcatheter Mitral Valve Replacement system.