Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mrs. Gretchen B. Wiener, MOT, OTR/L

Individual provider Occupational Therapist · NPI 1891000931

Mrs. Gretchen B. Wiener, MOT, OTR/L is an Occupational Therapist in Smithtown, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2010
What do these letters mean?
OTR/L — Occupational Therapist, Registered and Licensed
An occupational therapist who is both nationally registered and state licensed.

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Practice location Address checks out

68 New Mill Rd
Smithtown, NY 11787-3350
Phone: (631) 366-0628
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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 002052 (NY)

Record details

NPI number1891000931
Entity typeIndividual (Type 1)
GenderFemale
Credentials MOT , OTR/L
Sole proprietorYes
NPI enumeratedAugust 12, 2010
Last updated in NPPESAugust 12, 2010

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