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

Dr. Mary Katherine Marshallsea, AUD

Individual provider Audiologist · NPI 1821646100

Dr. Mary Katherine Marshallsea, AUD is a Qualified Audiologist in Dallas, Texas. Qualified in 2019, 7 years ago. Practices with Dallas Otolaryngology Associates, a 19-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
7
Licensed in
TX
In the registry since
2019
What do these letters mean?
AUD — Doctor of Audiology
A hearing specialist who tests hearing and fits hearing aids.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

7777 Forest Ln Ste A103
Dallas, TX 75230
Phone: (972) 566-7600
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (1)

  • 7777 Forest Ln Ste A103, Dallas, TX 75230 — (972) 566-7600

Specialties & licences

Audiologist (primary) Taxonomy 231H00000X · Licence 81171 (TX)

Record details

NPI number1821646100
Entity typeIndividual (Type 1)
GenderFemale
Credentials AUD
Sole proprietorNo
NPI enumeratedAugust 29, 2019
Last updated in NPPESFebruary 18, 2020
Certification dateFebruary 18, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyQUALIFIED AUDIOLOGIST
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Dallas Otolaryngology Associates — 19 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Dallas