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

Mr. Matthew R Garvoille, LCSW

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1922401918

Mr. Matthew R Garvoille, LCSW is a Clinical Social Worker in Janesville, Wisconsin. Qualified in 2014, 12 years ago. Practices with Trivium LLC, a 12-clinician group. Licensed in Wisconsin.

Years since qualifying
12
Licensed in
WI
In the registry since
2014
Specialties on file
3
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

17 S River St Ste 254
Janesville, WI 53548-3863
Phone: (608) 755-5260
Fax: (608) 755-5267
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 8628 (WI)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 17183 (WI)
Clinical Social Worker Taxonomy 1041C0700X · Licence 129527 (WI)

Record details

NPI number1922401918
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedOctober 3, 2014
Last updated in NPPESNovember 11, 2021
Certification dateNovember 11, 2021

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Trivium Llc — 12 clinicians
Accepts Medicare assignment Not indicated

Colleagues at Trivium LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice.

Other providers in Janesville