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

MS. Diane Ilene Siemer, OTR

Individual provider Pediatric Occupational Therapist · NPI 1962539023

MS. Diane Ilene Siemer, OTR is a Pediatric Occupational Therapist in Saint Louis, Missouri. Registered with an NPI since 2007.

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

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Practice location Address checks out

1170 Timber Run Dr
Saint Louis, MO 63146-4482
Phone: (314) 469-0606
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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

Record details

NPI number1962539023
Entity typeIndividual (Type 1)
GenderFemale
Credentials OTR
Sole proprietorNo
NPI enumeratedFebruary 27, 2007
Last updated in NPPESJuly 8, 2007

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