4.3
66 Ratings with 54 written Reviews
Summary
Dr. Sergiu Marcus specializes in ophthalmology with extensive experience treating eye conditions related to diabetes and other vision disorders. He completed his medical degree at Jawaharlal Institute of Post Graduate Medicine Research at Pondicherry University and pursued his ophthalmology residency training at Johns Hopkins Hospital and Mount Sinai Medical Center. Dr. Marcus also completed internal medicine training at Mount Sinai Medical Center, giving him a comprehensive understanding of how systemic diseases affect eye health. With 45 years of clinical experience, he holds board certification in ophthalmology from the American Board of Ophthalmology and communicates with patients in English.
Dr. Marcus practices at Good Samaritan University Hospital and maintains offices in Brentwood, Amityville, and Babylon, New York. He focuses on treating cataracts and diabetic eye complications, including diabetic retinopathy. His expertise includes advanced retinal imaging and optical …coherence tomography to diagnose eye conditions with precision. He also performs laser photocoagulation procedures to treat diabetic retinopathy and preserve patients' vision. Patients rate Dr. Marcus 4.3 out of 5 stars for his care and expertise.
Read More Read less Dr. Marcus practices at Good Samaritan University Hospital and maintains offices in Brentwood, Amityville, and Babylon, New York. He focuses on treating cataracts and diabetic eye complications, including diabetic retinopathy. His expertise includes advanced retinal imaging and optical …coherence tomography to diagnose eye conditions with precision. He also performs laser photocoagulation procedures to treat diabetic retinopathy and preserve patients' vision. Patients rate Dr. Marcus 4.3 out of 5 stars for his care and expertise.
AI-generated from data on this provider profile.
Quick Facts
- accepting new patients
- 45 years of experience
- 54 insurance plans accepted
- speaks English
- Winthrop-University Hospital Program
- 54 written reviews
- 1 award
- 1 specialty
- 11 areas of expertise
- 1 board certification
- 1 hospital affiliation
- 3 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Awards
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Office Locations
Dr. Sergiu Marcus has 3 locationsSightMD
601 Suffolk AveBrentwood, NY 11717 Tel: (631) 231-4455
Mon7:30 am - 6:00 pm
Tue7:30 am - 6:30 pm
Wed7:00 am - 7:00 pm
Thu7:30 am - 6:30 pm
Fri7:30 am - 6:30 pm
Sat7:30 am - 1:00 pm
Sun9:00 am - 1:00 pm
SightMD
805 Broadway Ste 106Amityville, NY 11701 Tel: (631) 608-1542
Mon8:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu10:00 am - 6:00 pm
Fri8:00 am - 4:00 pm
Sat8:00 am - 1:00 pm
Sun8:00 am - 2:00 pm
SightMD
500 W Main St Ste 210Babylon, NY 11702 Tel: (631) 957-3355
Mon8:00 am - 6:00 pm
Tue8:00 am - 6:00 pm
Wed8:00 am - 6:00 pm
Thu8:00 am - 7:00 pm
Fri7:30 am - 4:00 pm
Sat8:00 am - 1:00 pm
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Sergiu Marcus, MD, PhD | Dr. Sing Your Li, MD | Dr. George Tung, MD | Dr James Maisel, MD |
| Ophthalmology | Ophthalmology | Ophthalmology | Ophthalmology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 45 Years of Experience | 19 Years of Experience | 43 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | No Virtual Visit Option |
| Speaks English | Speaks English | Speaks English, Spanish | Speaks English, Italian |
| Brentwood , NY | Bellmore , NY | Bellmore , NY | Hicksville , NY |
| Med School: Jawaharlal Institute of Post Graduate Medicine Research, Pondicherry University | Med School: Weill Cornell Medical College | Med School: Weill Cornell Medical College | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Sergiu Marcus
Medical Specialties
Dr. Sergiu Marcus has the following specialty
Specialty Expertise
Dr. Sergiu Marcus has the following 11 areas of expertise
Certifications, License, & Education
45 Years Experience
BOARD CERTIFICATIONS
American Board of Ophthalmology
Ophthalmology
MEDICAL LICENSE
Medical Doctor, New York, 2026, Expired
EDUCATION & TRAINING
Residency
Winthrop-University Hospital Program
Johns Hopkins Hosp, Ophthalmology; Mt Sinai Med Ctr, Ophthalmology; Mt Sinai Med Ctr, Internal Medicine
Medical School
Jawaharlal Institute of Post Graduate Medicine Research, Pondicherry UniversityGraduated in 1981
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Frequently Asked Questions
- Is Dr. Sergiu Marcus accepting new patients?
- Dr. Sergiu Marcus is accepting new patients on Vitals. View Dr. Sergiu Marcus's profile on Vitals to make an appointment.
- Does Dr. Sergiu Marcus accept my insurance?
- You can see the insurance plans that Dr. Sergiu Marcus accepts on their Vitals profile.
- Where is Dr. Sergiu Marcus's office located?
- Dr. Sergiu Marcus's office is located at 601 Suffolk Ave, Brentwood, NY, 11717.
- Which hospitals is Dr. Sergiu Marcus affiliated with?
- Dr. Sergiu Marcus is affiliated with Good Samaritan University Hospital.
- Does Dr. Sergiu Marcus accept virtual/telehealth appointments?
- Dr. Sergiu Marcus has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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