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
| 106.0 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)

4.8 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 Patient Satisfaction Survey. Comments are displayed in their entirety and are anonymous for patient privacy.

01/31/2019
"the doctor cited a very important large-scale study (the ACCORD study for diabetes care) which he told me was guiding his treatment of me. I very much approve of evidence-based medical practice, so I have high confidence in my treatment goals."
01/10/2019
"Excellent, patient, concerned doctor. "
12/26/2018
"Dr. Poretsky and nurse Marina are the best!"
10/30/2018
"I always receive the most excellent care from Dr. Poretsky and Marina Krymskaya. All of the statements listed above in this survey are true. I am confident in their care, concern and practice in my health care."
10/17/2018
"Dr. Poretsky is a fabulous doctor in every way! Highly intelligent, professional and caring. He is truly a TOP DOC!"
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."