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

Mr. William J Knowles, ATC, CSCS

Individual provider Athletic Trainer · NPI 1053456020

Mr. William J Knowles, ATC, CSCS is an Athletic Trainer in Killington, Vermont. Licensed in Vermont. Registered with an NPI since 2007.

Licensed in
VT
In the registry since
2007
What do these letters mean?
ATC — Certified Athletic Trainer
Prevents and treats sport and activity injuries.

See every abbreviation used in this directory →

Practice location Address checks out

3902 Killington Rd
Killington, VT 05751-0205
Phone: (802) 422-6191
Show map & directions

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

Specialties & licences

Athletic Trainer (primary) Taxonomy 2255A2300X · Licence 104-0000110 (VT)

Record details

NPI number1053456020
Entity typeIndividual (Type 1)
GenderMale
Credentials ATC , CSCS
Sole proprietorNo
NPI enumeratedFebruary 20, 2007
Last updated in NPPESJuly 8, 2007