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

Mr. John Thomas Madsen, CADCII

Individual provider Substance Abuse Rehabilitation Facility · NPI 1194946582

Mr. John Thomas Madsen, CADCII is a Substance Abuse Rehabilitation Facility in Grass Valley, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
Specialties on file
2

Practice location Address checks out

440 Henderson St Siute C
Grass Valley, CA 95945-7374
Phone: (530) 273-9541
Fax: (530) 273-7740
Show map & directions

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

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence A8539205 (CA)
Substance Abuse Rehabilitation Facility Taxonomy 324500000X

Record details

NPI number1194946582
Entity typeIndividual (Type 1)
GenderMale
Credentials CADCII
Sole proprietorYes
NPI enumeratedMay 1, 2007
Last updated in NPPESMay 5, 2011

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