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

Individual provider Lactation Consultant (Non-RN) · NPI 1609021732

Sarah Knotek Weltzer, MS, IBCLC is a Lactation Consultant (Non-RN) in Naperville, Illinois. Registered with an NPI since 2008.

In the registry since
2008
What do these letters mean?
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

451 Newport Dr
Naperville, IL 60565-3104
Phone: (630) 649-1223
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Lactation Consultant (Non-RN) (primary) Taxonomy 174N00000X · Licence L-95079

Record details

NPI number1609021732
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , IBCLC
Sole proprietorNo
NPI enumeratedNovember 17, 2008
Last updated in NPPESMarch 27, 2017

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