


Dr. Laurence Mermelstein, MD
Dr. Laurence Mermelstein, MD is an orthopedic spine surgeon in Commack, NY and has over 30 years of experience in the medical field. Dr. Mermelstein has extensive experience in Spine Disorders & Surgical Procedures. He graduated from University of Pennsylvania Perelman School of Medicine in 1990. He is affiliated with medical facilities such as Huntington Hospital and St. Catherine of Siena Hospital. He is accepting new patients and telehealth appointments.
Practice
763 Larkfield Rd Fl 2 Commack, NY 11725Make an Appointment
At a Glance
- Area of Expertise
- Explains Conditions Well
- Offers TelehealthThis doctor offers telehealth appointments. Call the office to schedule an appointment.
- Practices at Top Hospital

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Dr. Mermelstein's Reviews
Likelihood to recommend Dr. Mermelstein
4.4
5 Star | 82% | 82% |
4 Star | 3% | 3% |
3 Star | 0% | 0% |
2 Star | 0% | 0% |
1 Star | 15% | 15% |
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How was your experience with Dr. Mermelstein?Overall Patient Satisfaction
Likelihood of recommending Dr. Mermelstein to family and friends is 4.366667 out of 5
About Me
care philosophy
A Comprehensive Approach to TreatmentAt Long Island Spine Specialists, P.C., we know how debilitating back and neck disorders can be for our patients. We also know that when it comes to treating these conditions, finding the treatment...read more
biography
Dr. Mermelstein is Board Certified Orthopaedic Surgeon with additional Fellowship training and extensive experience in pediatric and adult deformities, sports-related spinal injuries, and degenerative and traumatic conditions of the neck and back....read moreOrthopedic Spine Surgery
Orthopedic Surgery
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
University Of California, Davis School Of Medicine
Fellowship Hospital, 1996Yale New Haven Hospital
Residency Hospital, 1995Yale-new Haven Hospital
Internship Hospital, 1991University Of Pennsylvania Perelman School Of Medicine
Medical School, 1990The Johns Hopkins University
Undergraduate School, 1986
Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.
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- Hours
- Mon: 9:00am - 5:00pm
- Tue: 9:00am - 5:00pm
- Wed: 9:00am - 5:00pm
- Thu: 9:00am - 5:00pm
- Fri: 9:00am - 4:30pm
- Directions
Long Island Spine Specialists, P.C.
Practice
Practice
Affiliated Hospitals
- Recipient of 12
hospital awardsView all awardsPatient Safety Excellence Award™ (2025, 2024, 2023)
Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications
View all patient feedbackHow patients felt about the care they received at this hospital.
83%Patients said they were given information about recovering at home1% lower than the national average
77%Patients said that nurses always listened to them and explained things well2% higher than the national average
- Recipient of 1
hospital awardView all patient feedbackHow patients felt about the care they received at this hospital.
86%Patients said they were given information about recovering at home2% higher than the national average
77%Patients said that nurses always listened to them and explained things well2% higher than the national average
- Recipient of 3
hospital awardsView all patient feedbackHow patients felt about the care they received at this hospital.
84%Patients said they were given information about recovering at home76%Patients said that nurses always listened to them and explained things well1% higher than the national average
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