Credentials

Credentials

  • Board certifications

    • Internal Medicine - American Board of Internal Medicine

    • Endocrinology/Metabolism - American Board of IM/Endo, Diabetes, Metabolism

  • Administrative titles

    • Director of Medicine - Endocrinology/Metabolism, Lenox Hill Hospital

  • Academic titles

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

  • Chief resident

    • Coney Island Hospital

  • Medical school

    • First Leningrad Medical Inst

  • Residencies

    • Coney Island Hospital

  • Internships

    • Coney Island Hospital

  • Fellowships

    • Beth Israel Deaconess Medical Center-Boston

  • Affiliations

    • Lenox Hill Hospital

Locations & insurance

Locations & insurance

110 East 59th Street, 8th Floor/Suite 8BNew York, NY 10022

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
| 105.0 patient ratings & 25 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)

4.8 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

4.8 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.

08/23/2018
"Outstanding doctor to patient relationship."
08/05/2018
"I am very satisfied and confident in the care I receive."
06/13/2018
"Dr. Poretsky is a very good devoted doctor who is concerned with the patient's well being. His conduct is very professional and correct, he is also very knowledgeable."
01/26/2018
"I have recommended friends and family. "
01/22/2018
"I enjoy my visits with Dr. Poretsky and with his nurse Marina Krymsaya. Dr. P. is particularly comprehensive in is concern for and suggestions about my issues."
01/13/2018
"Dr. Poretsky was thorough, & responsive. He listened to my concern & offering a few methods to resolve my..."
01/06/2018
"Outstanding. Superior, excellent knowledge, professionalism, understanding w/concerns, questions. Expansive expertise in field & beyond. I left with confidence that my health & treatment plan is being handled by the best of the best."
11/03/2017
"Dr. Poretsky is very professional & makes the patient comfortable."
11/03/2017
"Dr. Poretsky is very professional and dignified, and makes the patient comfortable. "
07/22/2017
"excellent"
07/17/2017
"Poretsky is the best!"
05/23/2017
"great staff support"
11/04/2016
"He is a brilliant doctor - Dr. L. Poretsky."
11/01/2016
"I have recommended him."
08/25/2016
"Dr. Poretsky - whom I have seen for at least two decades is first-rate - and very pleasant to see."
07/26/2016
"ONe of the best at talking to you, listening, and at varied times giving you the time - appropriate for that visit, non-judgmental especially for a diabetic specialist based on talking to numerous diabetic persons, friends and non-friends."
07/08/2016
"I will continue to see Dr. Poretsky. I'm impressed by him, I'm a permanent patient."
05/14/2016
"A+"
12/01/2015
"Why isn't there "outstanding?""
10/27/2015
"I've only see him once. Not sure yet. But overall, he's very professional."
09/17/2015
"Dr. Poretsky is a wonderful, world class doctor."
04/30/2015
"Dr. Poretsky is the most competent doctor I know."
04/17/2015
"This MD is excellent - I will continue to go to him & recommend him to others -"
02/18/2015
"I've been with DR. PORETSKY FOR OVER 20 years, and we are more than DOCTOR - PATIENT, we are like family."
12/17/2014
"I have been Dr. Poretsky pt. for many years, and have followed him from Beth Israel, and am happy he did not retire."

In the news

In the news

In the news
For Northwell Health, supporting the LGBTQ+ community means providing high-quality, personalized care to every patient ?" regardless of sexual orientation or gender identity...
In recognition of National Diabetes Awareness Month, Lenox Hill Hospital, a member of Northwell Health, along with a coalition of other leading health care providers, government officials, public- and private-sector companies, community based organizations and the news media, are collectively pledging to help build a sustainable path to health and wellness for the Latino community affected by diabetes...
Lenox Hill Hospital, a member of Northwell Health, today announced the opening of the Gerald J. Friedman Diabetes Institute at 110 East 59th Street in Manhattan, which will address the unmet needs of thousands of New Yorkers living with diabetes...

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