MARK GRONSKI LPC
NPI 1841565363
Social Worker - Clinical in O Fallon, MO

Active since March 16, 2012
311 S MAIN ST, SUITE 100, O FALLON, MO 63366(636) 281-1990(636) 281-1995 Get Directions Write a Review

NPPES record last updated: March 16, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mark Gronski Lpc NPPES

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

MARK GRONSKI LPC (NPI 1841565363) is an individual clinical provider in O Fallon, Missouri, licensed in Missouri (2005000398) and active in the NPI registry since March 2012.

NPPES Registry Identity

NPI1841565363
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMARK GRONSKICredential: LPC
Location Address311 S MAIN ST, SUITE 100O Fallon, MO 63366-2807
Mailing Address9200 Watson Rd, Suite G101Saint Louis, MO 63126-1528 · (314) 544-3800 · Fax (314) 843-0552
Fax(636) 281-1995
Sole ProprietorYes
Enumeration DateMarch 16, 2012
NPI 1841565363 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in MO · 2005000398
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.
311 S MAIN ST, O Fallon, MO 63366

Other Providers at the Same Location NPPES 3

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

Social Worker (Clinical)
311 S MAIN ST, SUITE 100
O FALLON, MO 63366
Social Worker (Clinical)
311 S MAIN ST
O FALLON, MO 63366
Counselor (Professional)
311 S MAIN ST, SUITE 100
O FALLON, MO 63366

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 Gronski's NPI number?

The NPI number for Mark Gronski is 1841565363. It was assigned to this individual provider in the NPPES registry on March 16, 2012.

Where is Mark Gronski located?

Mark Gronski practices at 311 S Main St Suite 100, O Fallon, MO 63366. The listed phone number is (636) 281-1990.

What is Mark Gronski'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 Gronski was last updated on March 16, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.