Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Nicholas John Kleopoulos MD, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1730248659

Nicholas John Kleopoulos MD, MD is an Obstetrics & Gynecology Physician in Smithtown, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

200 E Main St
Smithtown, NY 11787-2812
Phone: (631) 265-4567
Fax: (631) 265-4704
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 149194 (NY)

Record details

NPI number1730248659
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 6, 2006
Last updated in NPPESOctober 29, 2015

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