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Dr. Sergiu Marcus, MD

Dr. Sergiu Marcus, MD

Ophthalmology*
40+ years of experience

Dr. Sergiu Marcus, MD is an ophthalmologist in Brentwood, NY and has over 40 years of experience in the medical field. He graduated from CORNELL UNIVERSITY / NEW YORK STATE STATUTORY COLLEGES in 1981. He is affiliated with Good Samaritan Hospital Medical Center. He is accepting new patients.

4.6 Star Rating
Based on 53 reviews 4.6 Star Rating (53 reviews)

SightMD

601 Suffolk Ave Brentwood, NY 11717

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Dr. Marcus' Reviews

Likelihood to recommend Dr. Marcus

4.6

53 ratings, 47 with a written review
5 Star
81%
81%
4 Star
9%
9%
3 Star
4%
4%
2 Star
4%
4%
1 Star
2%
2%

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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
What could be improved
  • Long wait times
Helpful
Dec 17, 2024
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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
I D. – Oct 05, 2024
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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
Kathaleen A. – Mar 09, 2024
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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
Joseph B. – Feb 02, 2024
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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
Anthony C. – Feb 02, 2024
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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
Biviana R. – Dec 21, 2023
×Post a ResponseAre you Dr. Sergiu Marcus, 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
  • Long wait times
Helpful
Immaculate V. – Aug 19, 2023
×Post a ResponseAre you Dr. Sergiu Marcus, 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
Richard P. – Feb 13, 2023
×Post a ResponseAre you Dr. Sergiu Marcus, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Trusted the provider's decisions
What could be improved
  • Long wait times
Helpful
Gulnaz T. – Jan 31, 2023
×Post a ResponseAre you Dr. Sergiu Marcus, 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
  • Long wait times
Helpful
B. B. – Nov 29, 2022
×Post a ResponseAre you Dr. Sergiu Marcus, 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
Salvatore B. – Aug 19, 2022
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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
Anonymous – Jul 26, 2022
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What went well
  • Appointment scheduling
  • Explained conditions well
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Anita D. – Jul 26, 2022
×Post a ResponseAre you Dr. Sergiu Marcus, 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
  • Long wait times
Helpful
Anonymous – Jul 21, 2022
×Post a ResponseAre you Dr. Sergiu Marcus, 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
Jose S. A. – Jul 13, 2022
×Post a ResponseAre you Dr. Sergiu Marcus, 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
  • Long wait times
Helpful
Carol B. – Jul 01, 2022
×Post a ResponseAre you Dr. Sergiu Marcus, 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
F. S. – Jun 16, 2022
×Post a ResponseAre you Dr. Sergiu Marcus, 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
  • Long wait times
Helpful
Marion M. – May 11, 2022
×Post a ResponseAre you Dr. Sergiu Marcus, 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
William F. – May 08, 2022
×Post a ResponseAre you Dr. Sergiu Marcus, 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
Rosa A. – Apr 24, 2022
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About Me

care philosophy

Sergiu Marcus, MD, PhD is a board certified ophthalmologist specializing in vitreo-retinal disorders of the eye.

biography

Sergiu Marcus, MD, PhD is a board certified ophthalmologist specializing in vitreo-retinal disorders of the eye. Dr. Marcus has always believed in delivering the highest quality of care to the community in which he practices. He provides the most...read more
  • Ophthalmology

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • Mount Sinai Hospital

    Residency Hospital, 1985
  • The Johns Hopkins Hospital

    Fellowship Hospital, 1985
  • Mount Sinai Hospital

    Internship Hospital, 1982
  • Cornell University / New York State Statutory Colleges

    Medical School, 1981
American Board of Medical Specialties®
American Board of Ophthalmology®
Ophthalmology
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

  • Spanish

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Locations

SightMD

SightMD601 Suffolk Ave Brentwood, NY 11717
1
SightMD500 W Main St Ste 210 Babylon, NY 11702
2
SightMD805 Broadway Ste 106 Amityville, NY 11701
3
SightMD1500 Route 112 Bldg 6 Port Jefferson Station, NY 11776
4

Affiliated Hospitals

  • Good Samaritan Hospital Medical Center

    1000 Montauk Hwy
    West Islip, NY 11795
    Recipient of 4
    hospital 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

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

    4% lower than the national average

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