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

The Thresholds

Organization Mental Health Clinic/Center (Including Community Mental Health Center) · NPI 1457508749

The Thresholds is a Mental Health Clinic/Center (Including Community Mental Health Center) in Chicago, Illinois. Registered with an NPI since 2008.

In the registry since
2008
Specialties on file
2
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Practice location Address checks out

1541-1545 E Marquette Rd
Chicago, IL 60637
Phone: (773) 572-5500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Clinic/Center (Including Community Mental Health Center) (primary) Taxonomy 261QM0801X
Mental Illness Community Based Residential Treatment Facility Taxonomy 320800000X

Record details

NPI number1457508749
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationThe Thresholds
Authorized official Marcella Klauer — Executive Assistant · (773) 572-5480
Other names Southside Housing Mazza House; Southside Housing Mazza House; Southside Housing Mazza House
NPI enumeratedAugust 19, 2008
Last updated in NPPESJanuary 9, 2026
Certification dateJanuary 9, 2026
Mailing address4101 N Ravenswood Ave, Chicago, IL 60613-2193

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