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

MS. Janine M Olejnik

Individual provider Specialist · NPI 1558608869

MS. Janine M Olejnik is a Specialist in Massapequa, New York. Practices as a sole proprietor. Registered with an NPI since 2013.

In the registry since
2013

Practice location Address checks out

816 N Central Ave
Massapequa, NY 11758-3318
Phone: (516) 236-8342
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X

Record details

NPI number1558608869
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedJanuary 7, 2013
Last updated in NPPESJanuary 7, 2013

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