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

Mrs. Marcia Oster, OTR

Individual provider Occupational Therapist · NPI 1700918976

Mrs. Marcia Oster, OTR is an Occupational Therapist in Williston, North Dakota. Licensed in North Dakota. Registered with an NPI since 2007.

Licensed in
ND
In the registry since
2007
What do these letters mean?
OTR — Occupational Therapist, Registered
A nationally registered occupational therapist.

See every abbreviation used in this directory →

Practice location Address checks out

1301 15th Ave W
Williston, ND 58801-3821
Phone: (701) 774-7400
Fax: (701) 774-7479
Show map & directions

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

Specialties & licences

Occupational Therapist (primary) Taxonomy 225X00000X · Licence 714 (ND)

Record details

NPI number1700918976
Entity typeIndividual (Type 1)
GenderFemale
Credentials OTR
Sole proprietorNo
NPI enumeratedMarch 12, 2007
Last updated in NPPESJuly 25, 2012

Other providers in Williston