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

Mrs. Gretchen Marie Dietzen, OTR/L, CKTP

Individual provider Occupational Therapist · NPI 1770891871

Mrs. Gretchen Marie Dietzen, OTR/L, CKTP is an Occupational Therapist in Williamsville, New York. Licensed in New York. Registered with an NPI since 2010.

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

5544 Main St 2nd Fl
Williamsville, NY 14221-5406
Phone: (716) 580-3976
Fax: (716) 580-3978
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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 012904-1 (NY)

Record details

NPI number1770891871
Entity typeIndividual (Type 1)
GenderFemale
Credentials OTR/L , CKTP
Sole proprietorNo
NPI enumeratedSeptember 23, 2010
Last updated in NPPESSeptember 23, 2010

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