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

John Ernst, MS

Individual provider Professional Counselor · NPI 1740355395

John Ernst, MS is a Professional Counselor in Waukesha, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2006.

Licensed in
WI
In the registry since
2006
What do these letters mean?
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

721 American Ave Ste 501
Waukesha, WI 53188-5071
Phone: (262) 928-2396
Fax: (262) 544-1213
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

Professional Counselor (primary) Taxonomy 101YP2500X · Licence 1549-125 (WI)

Record details

NPI number1740355395
Entity typeIndividual (Type 1)
GenderMale
Credentials MS
Sole proprietorNo
NPI enumeratedNovember 21, 2006
Last updated in NPPESJuly 8, 2007

Other providers in Waukesha