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

Individual provider Cognitive & Behavioral Psychologist · NPI 1215123104

MS. Mary Lynn Davis, BCBA is a Cognitive & Behavioral Psychologist in Westchester, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2007
What do these letters mean?
BCBA — Board Certified Behavior Analyst
Designs and supervises applied behaviour analysis programmes, often for autism.

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Practice location Address checks out

1861 Hawthorne
Westchester, IL 60154
Phone: (708) 768-1333
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cognitive & Behavioral Psychologist (primary) Taxonomy 103TB0200X (IL)

Record details

NPI number1215123104
Entity typeIndividual (Type 1)
GenderFemale
Credentials BCBA
Sole proprietorYes
NPI enumeratedSeptember 24, 2007
Last updated in NPPESMay 15, 2013