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

Gary Williamson, ATC

Individual provider Athletic Trainer · NPI 1720022361

Gary Williamson, ATC is an Athletic Trainer in Marshalltown, Iowa. Licensed in Iowa. Registered with an NPI since 2006.

Licensed in
IA
In the registry since
2006
What do these letters mean?
ATC — Certified Athletic Trainer
Prevents and treats sport and activity injuries.

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Practice location Address checks out

1902 S Center St
Marshalltown, IA 50158-5945
Phone: (641) 754-6120
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Athletic Trainer (primary) Taxonomy 2255A2300X · Licence 00032 (IA)

Record details

NPI number1720022361
Entity typeIndividual (Type 1)
GenderMale
Credentials ATC
Sole proprietorNo
NPI enumeratedJune 15, 2006
Last updated in NPPESJuly 13, 2026
Mailing address804 S 14th Ave W, Newton, IA 50208-5228

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