4.2
47 Ratings with 21 written Reviews
Summary
Dr. Kostas Sideridis is a gastroenterologist with 27 years of experience specializing in digestive health and gastrointestinal disorders. He earned his medical degree from the New York Institute of Technology College of Osteopathic Medicine and has dedicated nearly three decades to helping patients with complex digestive conditions. Dr. Sideridis is fluent in both English and Spanish, allowing him to serve a diverse patient population throughout the Long Island area.
Dr. Sideridis practices at several prestigious Northwell Health facilities, including Northwell Health Plainview Hospital and Long Island Jewish Medical Center in Syosset and New Hyde Park, New York. His clinical expertise focuses on treating abdominal pain and gastritis, conditions that can significantly impact daily life. He performs specialized diagnostic procedures including pathology tests and surgical pathology to ensure accurate diagnoses for his patients. Patients have rated Dr. Sideridis 4.2 out of 5 stars, …reflecting their confidence in his care and expertise.
Read More Read less Dr. Sideridis practices at several prestigious Northwell Health facilities, including Northwell Health Plainview Hospital and Long Island Jewish Medical Center in Syosset and New Hyde Park, New York. His clinical expertise focuses on treating abdominal pain and gastritis, conditions that can significantly impact daily life. He performs specialized diagnostic procedures including pathology tests and surgical pathology to ensure accurate diagnoses for his patients. Patients have rated Dr. Sideridis 4.2 out of 5 stars, …reflecting their confidence in his care and expertise.
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
- 21 written reviews
- 1 specialty
- 11 areas of expertise
- 1 board certification
- 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. Michael Dann, MD | Dr. Michael Seth Rosman, MD | Dr. Kristen Kyong Lee, MD |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 27 Years of Experience | 22 Years of Experience | 10 Years of Experience | 17 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Spanish | Speaks English | Speaks English | |
| Syosset , NY | NEW YORK , NY | NEW YORK , NY | NEW YORK , NY |
| Med School: New York Institute Of Technology College Of Osteopathic Medicine | Med School: State University of New York | Med School: New York University School Of Medicine | Med School: Cornell University |
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
- How can I make an appointment with Dr. Kostas Sideridis?
- You can find contact information for Dr. Kostas Sideridis here on Vitals.
- 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.
- 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.
- Does Dr. Kostas Sideridis accept virtual/telehealth appointments?
- Dr. Kostas Sideridis has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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