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

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1023430394

Matthew David Leifker, MS, CADC is an Addiction (Substance Use Disorder) Counselor in Dubuque, Iowa. Registered with an NPI since 2014.

In the registry since
2014
What do these letters mean?
MS — Master of Science
A graduate science degree.
CADC — Certified Alcohol and Drug Counselor
A certified addiction counsellor.

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Practice location Address checks out

799 Main St Ste 110
Dubuque, IA 52001-6825
Phone: (563) 582-3784
Fax: (563) 582-4006
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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

Record details

NPI number1023430394
Entity typeIndividual (Type 1)
GenderMale
Credentials MS , CADC
Sole proprietorNo
NPI enumeratedJanuary 6, 2014
Last updated in NPPESJanuary 6, 2014

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