MR. MARK HORWITZ LCSW CADC
NPI 1801985759
Social Worker - Clinical in Princeton, IL

Active since October 11, 2006
1405 N MAIN ST, PRINCETON, IL 61356(815) 872-2100(815) 872-5079 Get Directions Write a Review

NPPES record last updated: November 29, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mr. Mark Horwitz Lcsw Cadc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. MARK HORWITZ LCSW CADC (NPI 1801985759) is an individual clinical provider in Princeton, Illinois and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1801985759
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. MARK HORWITZCredential: LCSW CADC
Location Address1405 N MAIN STPrinceton, IL 61356-9771
Mailing Address18345 1250 North AveTiskilwa, IL 61368-9105 · (815) 646-4369 · Fax (815) 872-5079
Fax(815) 872-5079
Sole ProprietorYes
Enumeration DateOctober 11, 2006
Last NPPES UpdateNovember 29, 2007
NPI 1801985759 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License 16864 (IL)
1405 N MAIN ST, Princeton, IL 61356

Other Identifiers 2

Medicare PIN211204IL
Medicare PINK34249IL

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (Mental Health)
1405 N MAIN ST
PRINCETON, IL 61356
Counselor (Mental Health)
1405 N MAIN ST
PRINCETON, IL 61356

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Horwitz's NPI number?

The NPI number for Mark Horwitz is 1801985759. It was assigned to this individual provider in the NPPES registry on October 11, 2006.

Where is Mark Horwitz located?

Mark Horwitz practices at 1405 N Main St, Princeton, IL 61356. The listed phone number is (815) 872-2100.

What is Mark Horwitz's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Mark Horwitz was last updated on November 29, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.