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

William Greer, MS

Individual provider Mental Health Counselor · NPI 1548478365

William Greer, MS is a Mental Health Counselor in Madison, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2007.

Licensed in
WI
In the registry since
2007
Specialties on file
2
What do these letters mean?
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

625 W Washington Ave
Madison, WI 53703-2637
Phone: (608) 280-2700
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 1530 (WI)
Mental Health Counselor Taxonomy 101YM0800X · Licence 663 (WI)

Record details

NPI number1548478365
Entity typeIndividual (Type 1)
GenderMale
Credentials MS
Sole proprietorNo
NPI enumeratedMay 18, 2007
Last updated in NPPESSeptember 11, 2025

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