NPI age
6 years
Enumerated 2019-08-29
● Active
Type 1 · Individual
DR. Mary Katherine Marshallsea, AU.D.
Marshallsea is 1 of 136 audiologist providers in Dallas and 1 of 1654 in Texas.
Primary specialty
Audiologist
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2020-02-18
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1654 active audiologist providers in Texas.
NPI age
6 years
↓ 7 yr below median (13 yr)
State licenses
1 state
5% of peers hold multiple states
Subspecialties
0
29% of peers hold subspecialties
NPI lifetime · 2019 → 2026
2019-08Enumerated in NPPES
2019
2026
Where they practice
Practice location
7777 Forest Ln Ste A103
Dallas, TX 75230
Mailing address
7777 Forest Ln Ste A103
Dallas, TX 752306800
Additional practice locations
1 secondary location on file with NPPES.
Location 2
7777 Forest Ln Ste A103
Dallas, TX 75230
Specialties
-
Audiologist Primary(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders...
Practice context
Part of a multi-provider practice. 4 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new audiologist provider has been added in Dallas in the last 180 days.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.