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

Mrs. Katheryn L Gelzer, OTR

Individual provider Specialist · NPI 1265616700

Mrs. Katheryn L Gelzer, OTR is a Specialist in Hyannis, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2007.

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

See every abbreviation used in this directory →

Practice location Address checks out

83 Pearl St
Hyannis, MA 02601-3937
Phone: (508) 775-6240
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 2436 (MA)

Record details

NPI number1265616700
Entity typeIndividual (Type 1)
GenderFemale
Credentials OTR
Sole proprietorNo
NPI enumeratedDecember 19, 2007
Last updated in NPPESDecember 19, 2007

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