Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Internal Strength Counseling, LLC

Mental Health Counselor in O Fallon, IL · enumerated 2020 · authorized official Kelli Silhavy, Therapist.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1962099200

Verified

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Registry record

Entity type Organization (Type 2)

Legal business name Internal Strength Counseling, LLC

Practice address 787 Sunset Blvd Ste 100, O Fallon, IL, 62269

Phone (618) 917-5837

Fax (618) 726-2035

Enumeration date Dec 21, 2020

Last updated in NPPES Dec 21, 2020

Taxonomy & classification

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers Primary

Authorized official

Name Kelli Silhavy

Title Therapist

Phone (618) 917-5837

Other identifiers

Identifier	Type	State	Issuer
149018438	Other	IL	LCSW LICENSE NUMBER

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where is Internal Strength Counseling, LLC located?

The practice location on file with NPPES is in O Fallon, IL.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2020-12-21. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-12-21.