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

Mr. John F Callahan, PTA/COTA

Individual provider Occupational Therapy Assistant · NPI 1750689303

Mr. John F Callahan, PTA/COTA is an Occupational Therapy Assistant in Concord, New Hampshire. Practices as a sole proprietor. Licensed in New Hampshire.

Licensed in
NH
In the registry since
2011
Specialties on file
2

Practice location Address checks out

20 Maitland St
Concord, NH 03301
Phone: (603) 485-8743
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Therapy Assistant (primary) Taxonomy 225200000X · Licence 0579 (NH)
Occupational Therapy Assistant Taxonomy 224Z00000X · Licence 0382 (NH)

Record details

NPI number1750689303
Entity typeIndividual (Type 1)
GenderMale
Credentials PTA/COTA
Sole proprietorYes
NPI enumeratedMarch 7, 2011
Last updated in NPPESMarch 7, 2011

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