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

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1659008738

Mika Leinonen, BA, CADC is an Addiction (Substance Use Disorder) Counselor in Sioux City, Iowa. Licensed in Iowa. Registered with an NPI since 2022.

Licensed in
IA
In the registry since
2022
What do these letters mean?
BA — Bachelor of Arts
An undergraduate arts degree.
CADC — Certified Alcohol and Drug Counselor
A certified addiction counsellor.

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Practice location Address checks out

3500 W 4th St
Sioux City, IA 51103-3203
Phone: (712) 226-1800
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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 20046 (IA)

Record details

NPI number1659008738
Entity typeIndividual (Type 1)
GenderMale
Credentials BA , CADC
Sole proprietorNo
NPI enumeratedAugust 8, 2022
Last updated in NPPESAugust 8, 2022
Certification dateAugust 8, 2022
Mailing address1021 N Mulford Rd, Rockford, IL 61107-3874

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