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

Leslie R Kowalski, PHD, Ibclc LLC

Organization Lactation Consultant (Non-RN) · NPI 1386598993

Leslie R Kowalski, PHD, Ibclc LLC is a Lactation Consultant (Non-RN) in West Windsor, New Jersey. Registered with an NPI since 2026.

In the registry since
2026
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

231 Clarksville Rd Ste 4C
West Windsor, NJ 08550-5300
Phone: (609) 200-1409
Show map & directions

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

Specialties & licences

Lactation Consultant (Non-RN) (primary) Taxonomy 174N00000X

Record details

NPI number1386598993
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Leslie Kowalski — Ibclc · (908) 715-5454
Other names Lactation Solutions Of Princeton
NPI enumeratedFebruary 23, 2026
Last updated in NPPESMarch 3, 2026
Certification dateMarch 3, 2026
Mailing address7 Jeffers Rd, Plainsboro, NJ 08536-1901