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

Justin P Sininger, CADC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1194203943

Justin P Sininger, CADC is an Addiction (Substance Use Disorder) Counselor in Sioux City, Iowa. Licensed in Iowa. Registered with an NPI since 2018.

Licensed in
IA
In the registry since
2018
What do these letters mean?
CADC — Certified Alcohol and Drug Counselor
A certified addiction counsellor.

See every abbreviation used in this directory →

Practice location Address checks out

3500 W 4th St
Sioux City, IA 51103-3203
Phone: (712) 226-1839
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 18037 (IA)

Record details

NPI number1194203943
Entity typeIndividual (Type 1)
GenderMale
Credentials CADC
Sole proprietorNo
NPI enumeratedAugust 3, 2018
Last updated in NPPESAugust 3, 2018

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