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

Toni Hernalsteen, MSW

Individual provider Clinical Social Worker · NPI 1558710343

Toni Hernalsteen, MSW is a Clinical Social Worker in Traverse City, Michigan. Works from 2 locations. Registered with an NPI since 2016.

In the registry since
2016
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

See every abbreviation used in this directory →

Practice location Address checks out

1719 S Garfield Ave
Traverse City, MI 49686-4337
Phone: (231) 642-5938
Fax: (231) 642-5131
Show map & directions

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

Additional practice locations (1)

  • 105 Hall St, Traverse City, MI 49684-2288 — (231) 922-4850

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X

Record details

NPI number1558710343
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorNo
NPI enumeratedJune 13, 2016
Last updated in NPPESMay 10, 2018

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