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

Mary Lauren O'Crowley PLLC

Organization Counselor · NPI 1801667696

Mary Lauren O'Crowley PLLC is a Counselor in Chicago, Illinois. Registered with an NPI since 2024.

In the registry since
2024
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

3746 N Wayne Ave
Chicago, IL 60613-5253
Phone: (303) 594-0175
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Counselor (primary) Taxonomy 101Y00000X

Record details

NPI number1801667696
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mary O'Crowley — Lcpc · (224) 326-3678
NPI enumeratedJanuary 11, 2024
Last updated in NPPESJanuary 16, 2024
Certification dateJanuary 16, 2024
Mailing address3746 N Wayne Ave, Chicago, IL 60613-5253

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