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

Julia Callahan, COTA

Individual provider Occupational Therapy Assistant · NPI 1184181885

Julia Callahan, COTA is an Occupational Therapy Assistant in Waldorf, Maryland. Registered with an NPI since 2019.

In the registry since
2019
What do these letters mean?
COTA — Certified Occupational Therapy Assistant
Delivers treatment under an occupational therapist's direction.

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Practice location Address checks out

4140 Old Washington Rd
Waldorf, MD 20602-3221
Phone: (301) 645-2813
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Occupational Therapy Assistant (primary) Taxonomy 224Z00000X

Record details

NPI number1184181885
Entity typeIndividual (Type 1)
GenderFemale
Credentials COTA
Sole proprietorNo
NPI enumeratedFebruary 28, 2019
Last updated in NPPESFebruary 28, 2019
Mailing address4140 Old Washington Rd, Waldorf, MD 20602-3221

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