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

Teresa Siejak

Individual provider Case Manager/Care Coordinator · NPI 1336543750

Teresa Siejak is a Case Manager/Care Coordinator in Bowmansville, New York. Registered with an NPI since 2014.

In the registry since
2014

Practice location Address checks out

5360 Genesee St Ste 200
Bowmansville, NY 14026-1044
Phone: (716) 895-6700
Fax: (716) 896-0318
Show map & directions

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

Specialties & licences

Case Manager/Care Coordinator (primary) Taxonomy 171M00000X

Record details

NPI number1336543750
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedOctober 14, 2014
Last updated in NPPESNovember 7, 2014

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