4.2
48 Ratings with 22 written Reviews
Summary
Dr. Kostas Sideridis is a gastroenterologist with 27 years of experience treating digestive health conditions. He earned his doctoral degree from the New York Institute of Technology College of Osteopathic Medicine, where he received comprehensive training in osteopathic medicine principles. Dr. Sideridis speaks both English and Spanish, helping him connect with a diverse patient population throughout the Long Island area.
Dr. Sideridis practices at multiple Northwell Health locations, including Plainview Hospital, Long Island Jewish Medical Center, and other facilities in Syosset, New Hyde Park, and Manhasset, New York. He specializes in treating conditions such as obesity management, abdominal pain, and pediatric obesity concerns. His practice offers infusion therapy services and substance use disorder screening to support comprehensive patient care. Patients have given him an average rating of 4.2 out of 5 stars on Vitals.
Dr. Sideridis practices at multiple Northwell Health locations, including Plainview Hospital, Long Island Jewish Medical Center, and other facilities in Syosset, New Hyde Park, and Manhasset, New York. He specializes in treating conditions such as obesity management, abdominal pain, and pediatric obesity concerns. His practice offers infusion therapy services and substance use disorder screening to support comprehensive patient care. Patients have given him an average rating of 4.2 out of 5 stars on Vitals.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 27 years of experience
- speaks English, Spanish
- New York Institute Of Technology College Of Osteopathic Medicine
- 22 written reviews
- 1 specialty
- 11 areas of expertise
- 6 hospital affiliations
- 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
Office Locations
Dr. Kostas Sideridis has 3 locationsLong Island Gastro
121 Eileen WaySyosset, NY 11791Mon9:00 am - 6:00 pm
Tue9:00 am - 6:00 pm
Wed9:00 am - 6:00 pm
Thu9:00 am - 6:00 pm
Fri9:00 am - 6:00 pm
Sat8:30 am - 1:30 pm
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Kostas Sideridis, DO | Dr. Hon-Ming Eng, MD | Ji Soo Choi, APRN | Dr. Mikhail Yakubov, MD |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 27 Years of Experience | |||
| No Virtual Visit Option | No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Spanish | Speaks English, Cantonese, Chinese, Mandarin, Chinese (Cantonese), Chinese (Mandarin) | Speaks English | Speaks English, Russian, Hebrew |
| Syosset , NY | New York , NY | Sacramento , CA | New York , NY |
| Med School: New York Institute Of Technology College Of Osteopathic Medicine | Med School: New York University | Med School: American University Of The Caribbean School Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Kostas Sideridis
Medical Specialties
Dr. Kostas Sideridis has the following specialty
Specialty Expertise
Dr. Kostas Sideridis has the following 11 areas of expertise
Certifications, License, & Education
27 Years Experience
Dr. Kostas Sideridis holds an active medical license in the state of New York.
Medical License
Doctor Of Osteopathy with an active medical license in the state of New York that expires in 2026.
Education & Training
Medical School
Graduated from New York Institute Of Technology College Of Osteopathic Medicine in 1999.
NPI Number
Dr. Sideridis' NPI number is 1003913682.
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Frequently Asked Questions
- Which hospitals is Dr. Kostas Sideridis affiliated with?
- Dr. Kostas Sideridis is affiliated with Northwell Health Plainview Hospital, Long Island Jewish Medical Center, NORTHWELL HEALTH HOSPITAL, Katz Womens Hospital At Long Island Jewish Medical Center, SYOSSET HOSPITAL, and KATZ WOMENS HOSPITAL AT NORTH SHORE UNIVERSITY HOSPITAL.
- Where is Dr. Kostas Sideridis's office located?
- Dr. Kostas Sideridis's office is located at 121 Eileen Way, Syosset, NY, 11791.
- What languages does Dr. Kostas Sideridis speak?
- Dr. Kostas Sideridis speaks English and Spanish.
- Does Dr. Kostas Sideridis accept my insurance?
- You can see the insurance plans that Dr. Kostas Sideridis accepts on their Vitals profile.
- Is Dr. Kostas Sideridis accepting new patients?
- Dr. Kostas Sideridis is accepting new patients on Vitals. View Dr. Kostas Sideridis's profile on Vitals to make an appointment.
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