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

Mark Robert Willson, OT

Individual provider Occupational Therapist · NPI 1790825537

Mark Robert Willson, OT is an Occupational Therapist in Chambersburg, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2007.

Licensed in
PA
In the registry since
2007
What do these letters mean?
OT — Occupational Therapist
Helps people regain the skills needed for daily living and work.

See every abbreviation used in this directory →

Practice location Address checks out

112 N 7th St Chambersburg Hospital - Physical Medicine Dept
Chambersburg, PA 17201-1720
Phone: (717) 267-7715
Fax: (717) 267-7463
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Occupational Therapist (primary) Taxonomy 225X00000X · Licence OC008781 (PA)

Record details

NPI number1790825537
Entity typeIndividual (Type 1)
GenderMale
Credentials OT
Sole proprietorNo
NPI enumeratedFebruary 8, 2007
Last updated in NPPESJuly 8, 2007
Mailing address1035 Leidig Dr, Chambersburg, PA 17201-2815

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