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

Michael Stier Therapy LLC

Organization Counselor · NPI 1437626074

Michael Stier Therapy LLC is a Counselor in O Fallon, Illinois. Registered with an NPI since 2018.

In the registry since
2018
Specialties on file
2
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

785 Wall St Ste 200
O Fallon, IL 62269-1959
Phone: (314) 399-8808
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X
Counselor Taxonomy 101Y00000X

Record details

NPI number1437626074
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Michael Stier — Psychotherapist · (314) 399-8808
NPI enumeratedNovember 1, 2018
Last updated in NPPESNovember 1, 2018
Mailing address785 Wall St Ste 200, O Fallon, IL 62269-1959

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