David L
Meryash, MD

Developmental/Behavioral Peds, Neurodevelopmental Disability, Pediatrics, Medical Genetics

(516) 802-6100

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About your doctor:

Member of Northwell Health Physician Partners
Languages spoken:


Board certifications:

  • Developmental/Behavioral Peds - American Board of Pediatrics/Develop-Behavioral
  • Medical Genetics - American Board of Medical Genetics
  • Pediatrics - American Board of Pediatrics

Academic titles

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

Medical school

  • University of California Davis School of Medicine


  • Childrens Hospital and Medical Center - Oakland


  • Children's Hospital of Boston


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Locations & insurance

Developmental & Behav. Ped

  • 1983 Marcus Avenue
    Suite 130
    Lake Success, NY 11042

    Fax: (516) 616-5801

Pediatric Specialty Care at Smithtown

  • 222 Middle Country Road
    Suite 106
    Smithtown, NY 11787

    Fax: (631) 775-3231

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Patient ratings & comments

Northwell Health Physician Partners is improving the patient experience by displaying physician ratings and reviews. Learn more.

Friendliness/courtesy of the care provider


Explanations the care provider gave you about your problem or condition


Concern the care provider showed for your questions or worries


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


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


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


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


Amount of time the care provider spent with you


Your confidence in this care provider


Likelihood of your recommending this care provider to others


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.

"Dr. Meryash is soft spoken & related well to my daughter - that was key in deciding what dosage of medicine to give her."

"Dr. Meryash is an outstanding doctor. He is always patient and supportive and listens to the kids."

"dr Meryash is the best dr around he listens to kind hearted"

"He seems not in the mood to answer my concern. its burden him when my mom asked question."

"Excellent experience."

"Highly recommended provider."

"I think Dr. Meryash is a great doctor with a lots of experience, and knowledge. He is very pleasant to deal with. He listens and explains things to me if I have question. I always recommend Dr. Meryash and this clinic to others."

"Care provider did a very good job explaining the problem & I like that he listen well."

"Good experience."


"love the place, excellent staff. great team.. Just need more exam room for the practice."


"Doctor Meryash is an example of what ALL doctors should be like. He is wonderful!"