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

Madison Sleszynski, RN, IBCLC

Individual provider Lactation Consultant (Registered Nurse) · NPI 1780410266

Madison Sleszynski, RN, IBCLC is a Lactation Consultant (Registered Nurse) in Massapequa Park, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2024
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

263 1st Ave
Massapequa Park, NY 11762-1848
Phone: (516) 417-7775
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Lactation Consultant (Registered Nurse) (primary) Taxonomy 163WL0100X · Licence 721012 (NY)

Record details

NPI number1780410266
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , IBCLC
Sole proprietorYes
NPI enumeratedSeptember 11, 2024
Last updated in NPPESSeptember 11, 2024
Certification dateSeptember 11, 2024

Other providers in Massapequa Park