Doctor profile · Federal record

Dr. Mary Marshallsea, AU.D.

Audiologist (CMS: Qualified Audiologist) · Dallas, TX

  • NPI 1821646100
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7777 Forest Ln Ste A103
Dallas, TX 75230
(972) 566-7600

Credentials & registration

NPPES · NUCC
NPI registered
August 2019 — 7 yrs on file
Profile last updated
February 18, 2020
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
231H00000X — NUCC code
State license (1)
Texas #81171

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821646100. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
33
Distinct HCPCS
2
Medicare allowed
$2,395
HCPCS Description Services Patients Avg allowed
92540 Evaluation and testing for balance with recording 19 19 $109
92538 Test to assess balance during warm or cool irrigation in both ears 14 14 $23

In context: peer comparison

Among 20 peers in Dallas Audiologist, average services per provider: 58. This provider delivers 0.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Marshallsea's medical specialty?
Dr. Mary Marshallsea practices Audiologist in Dallas, TX.
Where does Dr. Mary Marshallsea practice?
Dr. Mary Marshallsea practices at 7777 Forest Ln Ste A103, Dallas, TX 75230. Office phone: 9725667600.
What is Dr. Mary Marshallsea's NPI?
Dr. Mary Marshallsea's National Provider Identifier (NPI) is 1821646100, issued by NPPES.
Does Dr. Mary Marshallsea accept Medicare assignment?
Yes. Dr. Mary Marshallsea accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Marshallsea commonly perform?
Top Medicare-reported procedures in 2023: Evaluation and testing for balance with recording (HCPCS 92540); Test to assess balance during warm or cool irrigation in both ears (HCPCS 92538). Source: CMS Medicare Physician & Other Practitioners file.