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Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.

JONATHAN GAMSS, M.D.

Active

JONATHAN GAMSS, M.D. is a Internal Medicine healthcare provider located in MOUNT KISCO, New York. NPI 1598922874 is currently active in the NPPES registry. Verify at CMS.

Internal Medicine · MOUNT KISCO, NY

Registration Details

NPI Number
1598922874
Provider Type
Individual
Gender
Male
NPI Issued
May 22, 2008 (18.242955821611 yrs)
Last Updated
Jul 29, 2025
Licenses
25MA08623200 (NJ)
246486 (NY)

Practice Information

Address
400 E MAIN ST
NORTHERN WESTCHESTER HOSPITAL
MOUNT KISCO, NY, 105493417
Browse NY providers · Browse ZIP 10549
Phone
9146661680
Fax
9146661965
Primary Specialty
Internal Medicine
207R00000X
Additional Specialty
Internal Medicine

Other Internal Medicine Providers in MOUNT KISCO, NY

Name Credential NPI
MARLA KOROLY MD 1780677336
MR. DHIMANTKUMAR A PANDYA MD 1396739363
DR. JAMES M MCAVEY MD 1174517155
ROBERT J NEWBORN MD 1073507521
PETER LEVI MD 1629064217
LISA HOPE YOUKELES M.D. 1376515338
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.