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Dr. Stephen Onesti, MD

Dr. Stephen Onesti, MD

Neurosurgery*
35+ years of experience

Dr. Stephen Onesti, MD is a neurosurgeon in Rockville Centre, NY and has over 35 years of experience in the medical field. He graduated from HARVARD Medical School in 1986. He is affiliated with medical facilities Mercy Medical Center and Mount Sinai South Nassau. He is accepting new patients.

4.4 Star Rating
Based on 29 reviews 4.4 Star Rating (29 reviews)

Practice

100 Merrick Rd Ste 128W Rockville Centre, NY 11570

Make an Appointment

(516) 632-7050

Dr. Onesti is a Healthgrades Choice provider in Neurosurgery

The Healthgrades Choice designation helps you understand the most important factors to consider when choosing a healthcare professional. This designation is earned based on four set standards.
Read our methodology

  • Above average experience
  • Good hospital quality
  • Good patient ratings
  • No healthcare sanctions
  • Area of Expertise
    Dr. Onesti specializes in the area of Neurosurgery. • See board certifications
  • Explains Conditions Well
    Patients said this doctor explains conditions well. • See reviews
  • Quiet Hospital
    Patients said the hospital this doctor practices at is quiet. • See hospitals
  • Trustworthy
    Patients said this doctor is trustworthy. • See reviews
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Dr. Onesti's Reviews

Likelihood to recommend Dr. Onesti

4.4

29 ratings, 21 with a written review
5 Star
83%
83%
4 Star
3%
3%
3 Star
0%
0%
2 Star
3%
3%
1 Star
10%
10%

Your trust is our top concern. Learn more.

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All reviews are confirmed and audited before publication, and community members have the ability to flag inappropriate content for further review by our team.

Doctors can not pay for good reviews, nor can they pay to have negative reviews removed.

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

RecentHighestLowestMost Helpful
What went well
No results
What could be improved
No results
Helpful
Feb 20, 2025
×Post a ResponseAre you Dr. Stephen Onesti, 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
2 people found this helpful
Helpful
Jul 22, 2023
×Post a ResponseAre you Dr. Stephen Onesti, 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
Jun 28, 2023
×Post a ResponseAre you Dr. Stephen Onesti, 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
2 people found this helpful
Helpful
Anita Rosenberg – Jun 27, 2023
×Post a ResponseAre you Dr. Stephen Onesti, 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
May 16, 2023
×Post a ResponseAre you Dr. Stephen Onesti, 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
Apr 27, 2023
×Post a ResponseAre you Dr. Stephen Onesti, 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
1 person found this helpful
Helpful
Jan 24, 2023
×Post a ResponseAre you Dr. Stephen Onesti, 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
3 people found this helpful
Helpful
Christopher DePalma – Nov 08, 2022
×Post a ResponseAre you Dr. Stephen Onesti, MD?
What went well
  • 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
Oct 10, 2022
×Post a ResponseAre you Dr. Stephen Onesti, 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
1 person found this helpful
Helpful
M. Cole – Sep 22, 2022
×Post a ResponseAre you Dr. Stephen Onesti, 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
1 person found this helpful
Helpful
Sep 01, 2022
×Post a ResponseAre you Dr. Stephen Onesti, 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
Aug 24, 2022
×Post a ResponseAre you Dr. Stephen Onesti, 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
David – Jun 30, 2022
×Post a ResponseAre you Dr. Stephen Onesti, 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
Steven Guha – May 28, 2022
×Post a ResponseAre you Dr. Stephen Onesti, MD?
What went well
  • Appointment scheduling
  • Appointment wasn't rushed
  • Wait times
What could be improved
  • Didn't trust the provider's decisions
4 people found this helpful
Helpful
Jan 29, 2021
×Post a ResponseAre you Dr. Stephen Onesti, MD?
What went well
  • Listened & answered questions
  • Explained conditions well
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Jan 20, 2021
×Post a ResponseAre you Dr. Stephen Onesti, 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
Brad Jacobs – Jan 19, 2021
×Post a ResponseAre you Dr. Stephen Onesti, 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
1 person found this helpful
Helpful
sheila gorbacz – Dec 02, 2020
×Post a ResponseAre you Dr. Stephen Onesti, 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
Matt Lechner – Jul 06, 2019
×Post a ResponseAre you Dr. Stephen Onesti, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Trusted the provider's decisions
What could be improved
No results
5 people found this helpful
Helpful
Michael in Holbrook – Oct 27, 2017
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Leave a review

How was your experience with Dr. Onesti?

Know Before You Go

About Me

biography

Dr. Stephen Onesti, MD is a neurosurgeon in Rockville Centre, NY and has over 35 years of experience in the medical field. He graduated from HARVARD Medical School in 1986. He is affiliated with medical facilities Mercy Medical Center and Mount Sinai South Nassau. He is accepting new patients.

  • Neurosurgery

  • Neurological Spine Reconstructive Surgery

  • Neurological Spine 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.

  • Harvard Medical School

    Medical School, 1986

  • Harvard University

    Undergraduate School, 1982
American Board of Medical Specialties®
American Board of Neurological Surgery®
- 
Neurosurgery
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.

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.

Learn more about medical license public record check

  • English

  • French

Dr. Onesti is a Healthgrades Choice provider in Neurosurgery

    Read our methodology

    Focus on Uncontrolled Emotions

    Locations

    Practice

    Unavail100 Merrick Rd Ste 128W Rockville Centre, NY 11570
    1
    Office353 Veterans Memorial Hwy Ste 303 Commack, NY 11725
    2
    • Call
    • Fax
    • Hours
      • Mon: 8:30am - 4:30pm
      • Tue: 8:30am - 4:30pm
      • Wed: 8:30am - 4:30pm
      • Thu: 8:30am - 4:30pm
      • Fri: 8:30am - 4:30pm
    • Directions
    Office1 Hollow Ln Ste 212 New Hyde Park, NY 11042
    3

    Affiliated Hospitals

    • Mercy Medical Center

      1000 N Village Ave
      Rockville Centre, NY 11570
      Recipient of 4
      hospital awards

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

      84%
      Patients said they were given information about recovering at home
      74%
      Patients said that nurses always listened to them and explained things well

      1% lower than the national average

      View all patient feedback

    • Mount Sinai South Nassau

      1 Healthy Way
      Oceanside, NY 11572
      Recipient of 8
      hospital awards

      Surgical Care Excellence Award™ (2023)

      Superior clinical outcomes in surgical care across 15 of the most common in-hospital surgical procedures including cardiac, vascular, joint replacement, prostate, spine, and gastrointestinal surgeries

      View all awards

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

      77%
      Patients said they were given information about recovering at home

      7% lower than the national average

      71%
      Patients said that doctors always listened to them and explained things well

      5% lower than the national average

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