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

Marion Sitomer, OT

Individual provider Pediatric Occupational Therapist · NPI 1326926346

Marion Sitomer, OT is a Pediatric Occupational Therapist in Waltham, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2025.

Licensed in
MA
In the registry since
2025
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

77 Rumford Ave
Waltham, MA 02453-3872
Phone: (617) 991-2999
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Occupational Therapist (primary) Taxonomy 225XP0200X · Licence 5348 (MA)

Record details

NPI number1326926346
Entity typeIndividual (Type 1)
GenderFemale
Credentials OT
Sole proprietorNo
NPI enumeratedAugust 26, 2025
Last updated in NPPESAugust 26, 2025
Certification dateAugust 26, 2025
Mailing address77 Rumford Ave, Waltham, MA 02453-3872

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