Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
DR. LEONARD I LEVEN, M.D.
ActiveDR. LEONARD I LEVEN, M.D. is a Psychiatric Neurology healthcare provider located in OLD GREENWICH, Connecticut. NPI 1821098245 is currently active in the NPPES registry. Verify at CMS.
Psychiatric Neurology · OLD GREENWICH, CT
Registration Details
- NPI Number
- 1821098245
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Jul 28, 2005 (21.079703552974 yrs)
- Last Updated
- Sep 11, 2025
- Licenses
-
026744 (CT)167310 (NY)026744 (CT)167310 (NY)
Practice Information
- Address
-
3 W END AVEOLD GREENWICH, CT, 068701640Browse CT providers · Browse ZIP 06870
- Phone
- 2036371486
- Fax
- 2036371486
- Primary Specialty
-
Psychiatric Neurology
2084P0804X
- Additional Specialty
- Psychiatry
- Additional Specialty
- Psychiatric Neurology
- Additional Specialty
- Psychiatric Neurology
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.