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

Mr. John Denis Leonhardt, RPA

Individual provider Physician Assistant · NPI 1366644544

Mr. John Denis Leonhardt, RPA is a Physician Assistant in Roslyn, New York. Licensed in New York. Registered with an NPI since 2007.

Licensed in
NY
In the registry since
2007

Practice location Address checks out

100 Port Washington Blvd
Roslyn, NY 11576
Phone: (516) 562-6000
Show map & directions

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

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 002122 (NY)

Record details

NPI number1366644544
Entity typeIndividual (Type 1)
GenderMale
Credentials RPA
Sole proprietorNo
NPI enumeratedJune 1, 2007
Last updated in NPPESJuly 8, 2007

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