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Summary
Dr. Leon Itwar treats type 2 diabetes mellitus, hyperlipidemia, and high cholesterol in children and teens. He practices endocrinology, diabetes and metabolism, and internal medicine, seeing patients in New Hyde Park, New York, and Worcester, Massachusetts.
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. Hyesoo Lowe, MD | Dr. Lauren R Richter, MD | Dr. Jessica Starr, MD |
| Endocrinology, Diabetes & Metabolism | Endocrinology, Diabetes & Metabolism | Endocrinology, Diabetes & Metabolism | Endocrinology, Diabetes & Metabolism |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 26 Years of Experience | 12 Years of Experience | 16 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | No Virtual Visit Option |
| Speaks Korean, Spanish | |||
| New Hyde Park , NY | New York , NY | New York , NY | New York , NY |
| Med School: Weill Cornell Medical College | Med School: University Of Central Florida College Of Medicine | Med School: Albert Einstein College Of Medicine Of Yeshiva University | |
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
- 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 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.
- 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.
- Does Dr. Leon Itwar accept my insurance?
- You can see the insurance plans that Dr. Leon Itwar accepts on their Vitals profile.
- 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.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
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