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

Mark Petroelje, LLC

Organization Professional Counselor · NPI 1821441494

Mark Petroelje, LLC provides Professional Counselor services in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2016.

Licensed in
IL
In the registry since
2016
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

1000 W Diversey Pkwy Ste 260
Chicago, IL 60614-1879 Not confirmed with CMS for 10 years — call before visiting
Phone: (312) 502-9014
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence 180008805 (IL)

Record details

NPI number1821441494
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mark Petroelje — Clinical Professional Counselor · (312) 502-9014
NPI enumeratedJuly 19, 2016
Last updated in NPPESJuly 19, 2016
Mailing address1000 W Diversey Pkwy, Suite 260, Chicago, IL 60614-1879

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