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

Mr. Mark S Williams, MED, BCBA

Individual provider Behavior Analyst · NPI 1720402696

Mr. Mark S Williams, MED, BCBA is a Behavior Analyst in Peabody, Massachusetts. Registered with an NPI since 2014.

In the registry since
2014
What do these letters mean?
MED — Master of Education
A graduate education degree, written M.Ed.
BCBA — Board Certified Behavior Analyst
Designs and supervises applied behaviour analysis programmes, often for autism.

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Practice location Address checks out

83 Pine St Ste 102
Peabody, MA 01960-3646
Phone: (978) 717-5062
Fax: (978) 717-5064
Show map & directions

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

Specialties & licences

Behavior Analyst (primary) Taxonomy 103K00000X

Record details

NPI number1720402696
Entity typeIndividual (Type 1)
GenderMale
Credentials MED , BCBA
Sole proprietorNo
NPI enumeratedFebruary 12, 2014
Last updated in NPPESFebruary 12, 2014

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