Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MATTHEW SLOWIKOWSKI LCSW-C
NPI 1326856915
Social Worker - Clinical in Columbia, MD

Active since December 27, 2024
8990 OLD ANNAPOLIS RD, COLUMBIA, MD 21045(443) 386-6770 Get Directions Write a Review

NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Matthew Slowikowski Lcsw-c NPPES

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

MATTHEW SLOWIKOWSKI LCSW-C (NPI 1326856915) is an individual clinical provider in Columbia, Maryland, licensed in Maryland (09871) and active in the NPI registry since December 2024.

NPPES Registry Identity

NPI1326856915
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMATTHEW SLOWIKOWSKICredential: LCSW-C
Location Address8990 OLD ANNAPOLIS RDColumbia, MD 21045-2182
Mailing Address100 Hazelnut Ct Apt DBel Air, MD 21015-1922 · (443) 386-6770
Sole ProprietorYes
Enumeration DateDecember 27, 2024
Last NPPES UpdateJune 30, 2026
NPPES CertifiedJune 30, 2026
NPI 1326856915 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 MD · 09871
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.
8990 OLD ANNAPOLIS RD, Columbia, MD 21045

Other Providers at the Same Location NPPES 7

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

Counselor (Professional)
8990 OLD ANNAPOLIS RD
COLUMBIA, MD 21045
Counselor (Mental Health)
8990 OLD ANNAPOLIS RD
COLUMBIA, MD 21045
Counselor (Addiction (Substance Use Disorder))
8990 OLD ANNAPOLIS RD
COLUMBIA, MD 21045
Counselor (Mental Health)
8990 OLD ANNAPOLIS RD
COLUMBIA, MD 21045
Peer Specialist
8990 OLD ANNAPOLIS RD
COLUMBIA, MD 21045
Social Worker (Clinical)
8990 OLD ANNAPOLIS RD
COLUMBIA, MD 21045
Counselor (Addiction (Substance Use Disorder))
8990 OLD ANNAPOLIS RD
COLUMBIA, MD 21045

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 Matthew Slowikowski's NPI number?

The NPI number for Matthew Slowikowski is 1326856915. It was assigned to this individual provider in the NPPES registry on December 27, 2024.

Where is Matthew Slowikowski located?

Matthew Slowikowski practices at 8990 Old Annapolis Rd, Columbia, MD 21045. The listed phone number is (443) 386-6770.

What is Matthew Slowikowski'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 Matthew Slowikowski was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 days 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.