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

Mark D Wiesner, LMFT

Individual provider Marriage & Family Therapist · NPI 1568013613

Mark D Wiesner, LMFT is a Marriage & Family Therapist in Belleville, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2019
What do these letters mean?
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.

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Practice location Address checks out

8100 W Main St
Belleville, IL 62223-2018
Phone: (618) 397-1407
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 166.000546 (IL)

Record details

NPI number1568013613
Entity typeIndividual (Type 1)
GenderMale
Credentials LMFT
Sole proprietorYes
NPI enumeratedSeptember 20, 2019
Last updated in NPPESSeptember 20, 2019
Mailing address1567 Sinking Springs Dr, O Fallon, IL 62269-6658

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