Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

MS. Michelle Diane Horwitz, LCSW

Individual provider Clinical Social Worker · NPI 1952279549

MS. Michelle Diane Horwitz, LCSW is a Clinical Social Worker in Saint Louis, Missouri. Graduated from George Washington University School of Medicine in 2017, 9 years ago. Licensed in Missouri.

Years since qualifying
9
Trained at
George Washington University School of Medicine
Licensed in
MO
In the registry since
2025
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

4444 Forest Park Ave Ste 2600
Saint Louis, MO 63108-2212
Phone: (314) 286-1700
Fax: (314) 362-7017
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 2021019683 (MO)

Record details

NPI number1952279549
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedOctober 27, 2025
Last updated in NPPESDecember 29, 2025
Certification dateOctober 27, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2017 (9 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

Other providers in Saint Louis