Kostas Sideridis, DO
Gastroenterology Internal Medicine
Kostas Sideridis is a Gastroenterology Internal Medicine specialist based in Syosset, NY with over 27 years of clinical experience. Offers virtual telehealth visits.
Kostas Sideridis, DO has practiced internal medicine for 27+ years, working in independent practice. Trained at New York College of Osteo Medicine of New York Institute of Technology (class of 1999), he has been practicing for over 27 years. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and arthritis.
Older · 6199dNPPES updated 2009-06-02 · verify NPI on CMS · Verify license at New York State Board for Medicine
Contact & Location
Practice Location
237 Jericho Turnpike, Syosset, NY 11791
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
Elevated cholesterol or triglycerides that increase heart disease risk
Joint inflammation causing pain, swelling, and stiffness
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
A condition where the body cannot properly regulate blood sugar levels
Conditions affecting emotional state, including depression and bipolar disorder
Gradual loss of kidney function over time, often linked to diabetes or hypertension
Excessive worry or fear that interferes with daily life
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1999
New York College of Osteo Medicine of New York Institute of Technology
27 years in practice
Experienced
Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.
Taxonomy: 207RG0100X
Education & Training
New York College of Osteo Medicine of New York Institute of Technology (Class of 1999)
Virtual Internal Medicine Care With Kostas Sideridis
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Kostas Sideridis for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Syosset required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Kostas Sideridis
NPI records show Dr. Sideridis as active with telehealth listed in Syosset, NY. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (516) 584-6400.
Sourced from CMS NPPES · OIG LEIE · CMS Physician Comparator. See Data Methodology.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
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