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

Dr. Ruth Anne Anne Rehfeldt, BCBA-D, PHD

Individual provider Behavior Analyst · NPI 1225631690

Dr. Ruth Anne Anne Rehfeldt, BCBA-D, PHD is a Behavior Analyst in Naperville, Illinois. Registered with an NPI since 2020.

In the registry since
2020
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

101 N Washington St
Naperville, IL 60540-4511
Phone: (618) 559-7296
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Behavior Analyst (primary) Taxonomy 103K00000X

Record details

NPI number1225631690
Entity typeIndividual (Type 1)
GenderFemale
Credentials BCBA-D , PHD
Sole proprietorNo
NPI enumeratedNovember 18, 2020
Last updated in NPPESNovember 18, 2020
Certification dateNovember 18, 2020

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