Credentials

Credentials

  • Board certifications

    • Pediatrics - American Board of Pediatrics

  • Academic titles

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

  • Medical school

    • University of Graz

  • Residencies

    • North Shore University Hospital

  • Internships

    • Morristown Medical Center - MSO

  • Affiliations

    • Long Island Jewish Medical Center

    • North Shore University Hospital

    • Steven and Alexandra Cohen Childrens Med Ctr of NY

Locations & insurance

Locations & insurance

410 Lakeville Road, Suite 108New Hyde Park, NY 11042

Insurance information

Don't be surprised

Learn how you can avoid unanticipated medical bills

Learn more about medical bills

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.

4.5 out of 5 4.5 out of 5 rating
| 59.0 patient ratings & 15 patient comments

Friendliness/courtesy of the care provider

4.6 out of 5 4.6 out of 5 rating

Explanations the care provider gave you about your problem or condition

4.6 out of 5 4.6 out of 5 rating

Concern the care provider showed for your questions or worries

4.5 out of 5 4.5 out of 5 rating

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

4.6 out of 5 4.6 out of 5 rating

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

4.6 out of 5 4.6 out of 5 rating

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

4.4 out of 5 4.4 out of 5 rating

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

4.6 out of 5 4.6 out of 5 rating

Amount of time the care provider spent with you

4.5 out of 5 4.5 out of 5 rating

Your confidence in this care provider

4.6 out of 5 4.6 out of 5 rating

Likelihood of your recommending this care provider to others

4.5 out of 5 4.5 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.

08/20/2018
"Dr. Wells is amazing.!"
03/29/2018
"Dr. Welles is the best. We have followed him from his private practice and travel from Suffolk County to see him."
03/29/2018
"Dr. Welles is our primary since his private practice in Queens, NY. We have been traveling to him ever since from Suffolk County. He is truly caring and the best around."
03/29/2018
"Dr. Welles is the best. Followed him from his private practice."
03/05/2018
"Dr. Welles is thorough, kind & personable, amazing doctor."
02/26/2018
"Dr Welles is always attentive and provides us enough information as needed."
09/01/2016
"I felt hurt to how rude he was to me. With both my children there."
06/02/2016
"Average visit."
04/06/2016
"We love Dr Welles, we have been seeing him for years. He is an excellent doctor"
02/15/2016
"he is a very good dr it loozed lIke he knew what he was doing. but he needs to spend more time with his patients. on my appointment he looked like he was on rush and was trying to get out from the room as soon as possible"
02/03/2016
"Good."
04/16/2015
"Dr. Welles is the best. We would travel from anywhere (almost) to have our kids see him."
11/06/2014
"Dr. Welles is an excellent healthcare provider."
11/05/2014
"Dr. Mark Welles is excellent. He is very caring - great doctor."
08/25/2014
"Excellent doctor, Dr. Welles."

In the news

In the news

In the news
Cohen Children’s Medical Center has partnered with The Long Island Coalition Against Bullying (LICAB) to provide resources for adolescents affected by bullying...
Bullying remains a concern, especially in our schools and online. Mark Welles, MD, provides five ways to stop the unwanted behavior.
Spot, understand and prevent bullying with help from Cohen Children's Medical Center initiatives.
It used to be taken for granted, but bullying is not “harmless fun.” In fact, it makes headlines. Parents, healthcare professionals and educators now realize that this destructive behavior has far-reaching after-effects?"not only for the target, but also for the bully and the bystanders...