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Dr. Laurence Mermelstein, MD

Dr. Laurence Mermelstein, MD

Orthopedic Spine Surgery*
30+ years of experience

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.

4.4 Star Rating
Based on 60 reviews 4.4 Star Rating (60 reviews)

Practice

763 Larkfield Rd Fl 2 Commack, NY 11725
Telehealth available

Make an Appointment

At a Glance

  • Area of Expertise
    Dr. Mermelstein specializes in the area of Orthopedic Surgery. See board certifications
  • Explains Conditions Well
    Patients said this doctor explains conditions well. See reviews
  • Offers Telehealth
    This doctor offers telehealth appointments. Call the office to schedule an appointment.
  • Practices at Top Hospital
    Patient Safety Excellence Award™ See hospitals
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Dr. Mermelstein's Reviews

Likelihood to recommend Dr. Mermelstein

4.4

60 ratings, 37 with a written review
5 Star
82%
82%
4 Star
3%
3%
3 Star
0%
0%
2 Star
0%
0%
1 Star
15%
15%

Your trust is our top concern. Learn more.

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Any reviews that are deemed fraudulent or violate our guidelines will be removed immediately.

RecentHighestLowestMost Helpful
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Apr 18, 2025
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What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Angel Rivera – Apr 04, 2025
×Post a ResponseAre you Dr. Laurence Mermelstein, MD?
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Janine Pannone – Feb 26, 2025
×Post a ResponseAre you Dr. Laurence Mermelstein, MD?
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Feb 06, 2025
×Post a ResponseAre you Dr. Laurence Mermelstein, MD?
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Sherry Silverman – Jan 23, 2025
×Post a ResponseAre you Dr. Laurence Mermelstein, MD?
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Jan 07, 2025
×Post a ResponseAre you Dr. Laurence Mermelstein, MD?
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Marie R. – Dec 28, 2024
×Post a ResponseAre you Dr. Laurence Mermelstein, MD?
What went well
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Pete T – Dec 16, 2024
×Post a ResponseAre you Dr. Laurence Mermelstein, MD?
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Dec 02, 2024
×Post a ResponseAre you Dr. Laurence Mermelstein, MD?
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Nov 16, 2024
×Post a ResponseAre you Dr. Laurence Mermelstein, MD?
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
Dr. Mermelstein – Oct 23, 2024
×Post a ResponseAre you Dr. Laurence Mermelstein, MD?
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Oct 07, 2024
×Post a ResponseAre you Dr. Laurence Mermelstein, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Doggiemama77 – Aug 24, 2024
×Post a ResponseAre you Dr. Laurence Mermelstein, MD?
What went well
No results
What could be improved
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Appointment was rushed
  • Didn't trust the provider's decisions
2 people found this helpful
Helpful
K. Suskin – May 30, 2022
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What went well
No results
What could be improved
No results
Helpful
George Cotsonas – Aug 23, 2021
×Post a ResponseAre you Dr. Laurence Mermelstein, MD?
What went well
No results
What could be improved
No results
1 person found this helpful
Helpful
Nov 18, 2020
×Post a ResponseAre you Dr. Laurence Mermelstein, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
John Y – Aug 13, 2020
×Post a ResponseAre you Dr. Laurence Mermelstein, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
1 person found this helpful
Helpful
Joanne – Mar 04, 2020
Joanne, we are so happy to read such a great...Read More
×Post a ResponseAre you Dr. Laurence Mermelstein, MD?
What went well
No results
What could be improved
No results
1 person found this helpful
Helpful
Steven F. – Mar 04, 2020
Steven F., we strive for 100 satisfaction, and it...Read More
×Post a ResponseAre you Dr. Laurence Mermelstein, MD?
What went well
No results
What could be improved
No results
1 person found this helpful
Helpful
Apr 09, 2019
Thank you so much for taking the time to let us...Read More
×Post a ResponseAre you Dr. Laurence Mermelstein, MD?

Leave a review

How was your experience with Dr. Mermelstein?

About Me

care philosophy

A Comprehensive Approach to Treatment

At 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 more
  • Orthopedic 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, 1996
  • Yale New Haven Hospital

    Residency Hospital, 1995
  • Yale-new Haven Hospital

    Internship Hospital, 1991
  • University Of Pennsylvania Perelman School Of Medicine

    Medical School, 1990
  • The Johns Hopkins University

    Undergraduate School, 1986
American Board of Medical Specialties®
American Board of Orthopaedic Surgery®
Orthopedic Surgery
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.
  • English

  • French

  • Spanish

Locations

Practice

Long Island Spine Specialists763 Larkfield Rd Fl 2 Commack, NY 11725
1
  • Call
  • Fax
  • 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.

Long Island Spine Specialists400 Montauk Hwy Ste 102 West Islip, NY 11795
2
Long Island Spine Specialists887 Old Country Rd Ste D Riverhead, NY 11901
3

Practice

Huntington Hospital270 Park Ave Huntington, NY 11743
4

Practice

West Hempstead Office565 Hempstead Tpke West Hempstead, NY 11552
5

Affiliated Hospitals

  • Huntington Hospital

    270 Park Ave
    Huntington, NY 11743
    Recipient of 12
    hospital awards

    Patient 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 awards

    How patients felt about the care they received at this hospital.

    83%
    Patients said they were given information about recovering at home

    1% lower than the national average

    77%
    Patients said that nurses always listened to them and explained things well

    2% higher than the national average

    View all patient feedback
  • St Charles Hospital

    200 Belle Terre Rd
    Port Jefferson, NY 11777
    Recipient of 1
    hospital award

    How patients felt about the care they received at this hospital.

    86%
    Patients said they were given information about recovering at home

    2% higher than the national average

    77%
    Patients said that nurses always listened to them and explained things well

    2% higher than the national average

    View all patient feedback
  • St. Catherine of Siena Hospital

    50 Route 25A
    Smithtown, NY 11787
    Recipient of 3
    hospital awards

    How patients felt about the care they received at this hospital.

    84%
    Patients said they were given information about recovering at home
    76%
    Patients said that nurses always listened to them and explained things well

    1% higher than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality