MR. MARK HORWITZ (LCSW CADC) – Clinical Social Worker, NPI 1801985759

MR. MARK HORWITZ (LCSW CADC) is a healthcare provider. based in Princeton, Illinois. specializing in Clinical Social Worker. They hold the professional credentials LCSW CADC. They hold a License No. 16864 (IL). The NPI Number for MR. MARK HORWITZ (LCSW CADC) is 1801985759

Main info

Male
Sole Proprietor
Name
MR. MARK HORWITZ (LCSW CADC)
NPI
1801985759
Phone
(815) 872-2100
Address
1405 N MAIN ST
Enumeration Date
11 October 2006
Last Update Date
29 November 2007
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience57
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for MR. MARK HORWITZ (LCSW CADC)

  • 1405, North Main Street, Princeton, Bureau County, Illinois, 61356, United States

    PRINCETON, IL 613569771

    Phone: (815) 872-2100

    Fax: (815) 872-5079

    Type: Location

  • 18345 1250 NORTH AVE

    TISKILWA, IL 613689105

    Phone: (815) 646-4369

    Fax: (815) 872-5079

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 61356)

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Reviews

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Frequently asked questions

Can I verify MR. MARK HORWITZ (LCSW CADC) with an NPI only?
You can start verification with NPI 1801985759 for MR. MARK HORWITZ (LCSW CADC), then check state licensing separately.
Does the file indicate MR. MARK HORWITZ (LCSW CADC) is practicing under active NPI?
Directory data currently reports MR. MARK HORWITZ (LCSW CADC) as active.
What is MR. MARK HORWITZ (LCSW CADC)'s specialty?
The listing groups MR. MARK HORWITZ (LCSW CADC) with Clinical Social Worker. Clinical services aligned with this taxonomy classification.
Where should I expect MR. MARK HORWITZ (LCSW CADC) on a map?
Expect Princeton, Illinois as a primary anchor for MR. MARK HORWITZ (LCSW CADC) unless the record lists multiple sites.
Why does MR. MARK HORWITZ (LCSW CADC) have multiple addresses?
2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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