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Dr. Laurence Mermelstein, MD
Dr. Laurence Eric Mermelstein MD is a male Orthopaedic Surgeon, has 19 years of experience and practices in Orthopaedic Surgery and Orthopaedic Surgery of the Spine.
Video profile
Dr. Laurence Mermelstein has 2 office locations.
Long Island Spine Specialists
763 Larkfield Rd
2nd Floor
Commack, NY 11725

Phone Number
Locations and availability (2)
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

  • Currently 4 of 4 stars
Patient comments (3)

The overall average patient rating of Dr. Laurence Mermelstein is Excellent. Dr. Mermelstein has been reviewed by 6 patients who have provided 3 comments. The rating is 4 out of 4 stars.

Patient Ratings
Ease of Appointment 3.0
  • Currently 3 of 4 stars
Promptness 3.8
  • Currently 3.8333333333333 of 4 stars
Courteous Staff 3.5
  • Currently 3.5 of 4 stars
Accurate Diagnosis 3.7
  • Currently 3.6666666666667 of 4 stars
Bedside Manner 3.8
  • Currently 3.8333333333333 of 4 stars
Spends Time with Me 3.8
  • Currently 3.8333333333333 of 4 stars
Follows Up After Visit 3.3
  • Currently 3.25 of 4 stars

Specialties & Research

Dr. Laurence Mermelstein, MD is board certified in Orthopaedic Surgery.

  • He has special expertise in 10 areas:
  • Cervical Herniated Discs
  • Degenerative Spine
  • Lumbar Degenerative Disc Disease
  • Lumbar Spinal Stenosis
  • Scoliosis
  • Spinal Deformity
  • Spinal Fractures
  • Spinal Stenosis
  • Tumor-Infection
  • Wounds and Injuries

Education & Awards

Dr. Mermelstein graduated from University of Pennsylvania , Philadelphia. He has 2 awards.

Patients' Choice Award (2012 - 2013)
Compassionate Doctor Recognition (2012)


Dr. Mermelstein has 11 hospital affiliations:

  • North Shore/Long Island Jewish Hospital System - Franklin Hospital Med Ctr 
  • North Shore University Hospital 

Accepted Insurance Plans

Dr. Mermelstein accepts these health insurances in at least one office:

  • United Healthcare - 18 plans
  • HIP Health Plan of New York - 32 plans
  • Oxford Health Plans - 1 plan
  • Capital District Physicians Health Plan - 7 plans


  • French
  • Spanish

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Additional Information
Where does Dr. Laurence E. Mermelstein practice?
Dr. Laurence Mermelstein practices Orthopaedic Surgery and Orthopaedic Surgery of the Spine near Commack, NY.
Additional practice locations include: West Islip, NY.
See Commack Surgeons and Commack Orthopedic Surgeons.