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

Individual provider Occupational Therapy Assistant · NPI 1962000737

Mary A Masssmann, COTA is an Occupational Therapy Assistant in Ballwin, Missouri. Practices as a sole proprietor. Licensed in Missouri.

Licensed in
MO
In the registry since
2020
What do these letters mean?
COTA — Certified Occupational Therapy Assistant
Delivers treatment under an occupational therapist's direction.

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Practice location Address checks out

1 Meramec Bluffs Dr
Ballwin, MO 63021-3309
Phone: (314) 681-6817
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Occupational Therapy Assistant (primary) Taxonomy 224Z00000X · Licence 2007015363 (MO)

Record details

NPI number1962000737
Entity typeIndividual (Type 1)
GenderFemale
Credentials COTA
Sole proprietorYes
NPI enumeratedOctober 14, 2020
Last updated in NPPESOctober 14, 2020
Certification dateOctober 14, 2020

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