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

Mary Thornsen

Individual provider Professional Counselor · NPI 1033714308

Mary Thornsen is a Mental Health Counselor in Grand Rapids, Michigan. Qualified in 2020, 6 years ago. Licensed in Michigan.

Years since qualifying
6
Licensed in
MI
In the registry since
2020
Specialties on file
2

Practice location Address checks out

500 Cascade West Pkwy SE
Grand Rapids, MI 49546-2164
Phone: (616) 502-3480
Show map & directions

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

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence 6401018817 (MI)
Mental Health Counselor Taxonomy 101YM0800X · Licence 6401018817 (MI)

Record details

NPI number1033714308
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedDecember 3, 2020
Last updated in NPPESNovember 6, 2025
Certification dateNovember 6, 2025

Medicare enrollment

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

Medicare specialtyMENTAL HEALTH COUNSELOR
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

Other providers in Grand Rapids