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

Tawniel Retzlaff

Individual provider Behavior Technician · NPI 1902531510

Tawniel Retzlaff is a Behavior Technician in Bismarck, North Dakota. Registered with an NPI since 2022.

In the registry since
2022

Practice location Address checks out

1615 Capitol Way
Bismarck, ND 58501-2218
Phone: (701) 204-7870
Fax: (701) 491-7505
Show map & directions

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

Specialties & licences

Behavior Technician (primary) Taxonomy 106S00000X

Record details

NPI number1902531510
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJuly 18, 2022
Last updated in NPPESJuly 18, 2022
Certification dateJuly 18, 2022

Other providers in Bismarck