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

William Michael Arnold

Individual provider Behavior Analyst · NPI 1366687543

William Michael Arnold is a Behavior Analyst in Joliet, Illinois. Registered with an NPI since 2008.

In the registry since
2008

Practice location Address checks out

777 Joyce Rd
Joliet, IL 60436-1876
Phone: (815) 727-6666
Fax: (815) 723-1177
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 number1366687543
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedDecember 2, 2008
Last updated in NPPESDecember 2, 2008
Mailing address446 S Grand Ave, Bourbonnais, IL 60914-2238

Other providers in Joliet