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Edit this profileAt a glance
- 1999 Marcus Ave Ste 212, New Hyde Park, NY 11042
About Dr. Itwar
Leon Itwar, DO practices endocrinology in New Hyde Park, NY. Leon is also listed as specializing in endocrinology, diabetes & metabolism. The provider's National Provider Identifier (NPI) is 1356964258.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (516) 467-8600
- Email not available
Practice Locations
1999 MARCUS AVE STE 212
New Hyde Park, NY 11042
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other endocrinology specialists in New Hyde Park 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2020 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Itwar specialize in?
Dr. Itwar is an endocrinology in New Hyde Park, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Itwar located?
Dr. Itwar is listed at 1999 Marcus Ave Ste 212, New Hyde Park, NY 11042. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Itwar's phone number?
The number on file is (516) 467-8600. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Itwar's NPI number?
Dr. Itwar's National Provider Identifier is 1356964258. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Itwar go to medical school?
Dr. Itwar attended Other, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Itwar been practicing?
Dr. Itwar has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
Has Dr. Itwar confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Itwar. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.