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

Mrs. Colleen Mary Williams, BCBA

Individual provider Behavior Analyst · NPI 1861759359

Mrs. Colleen Mary Williams, BCBA is a Behavior Analyst in Rockville, Maryland. Practices as a sole proprietor. Licensed in Maryland and New York.

Licensed in
MD, NY
In the registry since
2012
Specialties on file
2
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

402 King Farm Blvd Ste 125246
Rockville, MD 20850-5843
Phone: (240) 437-4077
Show map & directions

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

Specialties & licences

Behavior Analyst (primary) Taxonomy 103K00000X · Licence LBA087 (MD)
Behavior Analyst Taxonomy 103K00000X · Licence 004284 (NY)

Record details

NPI number1861759359
Entity typeIndividual (Type 1)
GenderFemale
Credentials BCBA
Sole proprietorYes
NPI enumeratedApril 20, 2012
Last updated in NPPESOctober 27, 2025
Certification dateOctober 27, 2025

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