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

Martha M Diaz, OTR

Individual provider Occupational Therapist · NPI 1316069842

Martha M Diaz, OTR is an Occupational Therapist in Grasonville, Maryland. Practices as a sole proprietor and works from 2 locations. Licensed in Maryland.

Licensed in
MD
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

303 Narnia Dr S
Grasonville, MD 21638-1300
Phone: (443) 848-1079
Show map & directions

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

Additional practice locations (1)

  • 551 W Lancaster Ave, Haverford, PA 19041-1419 — (610) 525-4000

Specialties & licences

Occupational Therapist (primary) Taxonomy 225X00000X · Licence 05681 (MD)

Record details

NPI number1316069842
Entity typeIndividual (Type 1)
GenderFemale
Credentials OTR
Sole proprietorYes
NPI enumeratedApril 4, 2007
Last updated in NPPESMay 6, 2022
Certification dateMay 6, 2022