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

Wiilam J Maddock, CACIII

Individual provider Addiction (Substance Use Disorder) Psychologist · NPI 1457677957

Wiilam J Maddock, CACIII is an Addiction (Substance Use Disorder) Psychologist in Denver, Colorado. Licensed in Colorado. Registered with an NPI since 2010.

Licensed in
CO
In the registry since
2010

Practice location Address checks out

990 Bannock St Mc 7782
Denver, CO 80204-4028
Phone: (720) 956-2394
Fax: (720) 956-2533
Show map & directions

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

Specialties & licences

Addiction (Substance Use Disorder) Psychologist (primary) Taxonomy 103TA0400X · Licence ACC-634 (CO)

Record details

NPI number1457677957
Entity typeIndividual (Type 1)
GenderMale
Credentials CACIII
Sole proprietorNo
NPI enumeratedApril 9, 2010
Last updated in NPPESApril 9, 2010

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