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Summary
Dr. Leon Itwar is a Doctor of Osteopathy specializing in endocrinology, diabetes and metabolism, as well as internal medicine. His dual expertise allows him to provide comprehensive care for patients with complex metabolic conditions while maintaining a holistic approach to overall health and wellness.
Dr. Itwar practices at multiple locations including NYU Langone facilities in New Hyde Park, New York and UMass Memorial Medical Center in Worcester, Massachusetts. He focuses on treating various forms of diabetes, including Type 1 diabetes and diabetes management in older adults. His internal medicine background enables him to coordinate care for patients who may have diabetes alongside other health conditions.
Dr. Itwar practices at multiple locations including NYU Langone facilities in New Hyde Park, New York and UMass Memorial Medical Center in Worcester, Massachusetts. He focuses on treating various forms of diabetes, including Type 1 diabetes and diabetes management in older adults. His internal medicine background enables him to coordinate care for patients who may have diabetes alongside other health conditions.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 3 insurance plans accepted
- 2 specialties
- 2 areas of expertise
- 3 office locations
- Male
Office Locations
Dr. Leon Itwar has 3 locationsNyu Langone Ambulatory Care Long Island
1999 Marcus Ave Ste 212New Hyde Park, NY 11042 Tel: (516) 467-8600
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Nyu Langone Health Ambulatory Care Lake Success
1999 Marcus AveNew Hyde Park, NY 11042 Tel: (516) 467-8600
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 4:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Leon Itwar | Dr. Alyson B Weiner, MD | Dr. Daniel Cyrus RafII, MD | Dr. Brittany K Wise-Oringer, MD |
| Endocrinology, Diabetes & Metabolism | Endocrinology, Diabetes & Metabolism | Endocrinology, Diabetes & Metabolism | Endocrinology, Diabetes & Metabolism |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 11 Years of Experience | 14 Years of Experience | 12 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks Spanish, Chinese | |||
| New Hyde Park , NY | New York , NY | Brooklyn , NY | White Plains , NY |
| Med School: Suny Upstate Medical University Alan And Marlene Norton Coll Of Med | Med School: Ross University Medical School Dominica | Med School: Baylor College Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Leon Itwar
Medical Specialties
Dr. Leon Itwar has the following 2 specialties
Specialty Expertise
Dr. Leon Itwar has the following 2 areas of expertise
Certifications, License, & Education
Dr. Leon Itwar holds expired and active medical licenses in the states of Massachusetts and New York.
Medical License
Doctor Of Osteopathy with an expired medical license in the state of Massachusetts that expired in 2025 and an active medical license in the state of New York that expires in 2027.
NPI Number
Dr. Itwar's NPI number is 1356964258.
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Frequently Asked Questions
- Is Dr. Leon Itwar accepting new patients?
- Dr. Leon Itwar is accepting new patients on Vitals. View Dr. Leon Itwar's profile on Vitals to make an appointment.
- Does Dr. Leon Itwar accept virtual/telehealth appointments?
- Dr. Leon Itwar has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. Leon Itwar?
- You can find contact information for Dr. Leon Itwar here on Vitals.
- Does Dr. Leon Itwar accept my insurance?
- You can see the insurance plans that Dr. Leon Itwar accepts on their Vitals profile.
- Where is Dr. Leon Itwar's office located?
- Dr. Leon Itwar's office is located at 1999 Marcus Ave Ste 212, New Hyde Park, NY, 11042.
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