NPPES file of Aug 9, 2026

Mary Katherine Marshallsea, AU.D.

Audiologist · Dallas, TX

Mary Katherine Marshallsea, AU.D. is an audiologist with a practice address in Dallas, Texas, and NPI 1821646100, issued on Aug 29, 2019. Check the license (Texas 81171, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821646100
Name
Mary Katherine Marshallsea
Credential
AU.D.
Primary taxonomy
Audiologist 231H00000X
License number
81171 TX
Self-reported in NPPES; status is on the state search
Practice location
7777 Forest LN Ste A103, Dallas, TX 75230
Phone
(972) 566-7600
Enumerated
Aug 29, 2019
Record last updated
Feb 18, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210714002028); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest audiologist records → All 1,477 in Texas → Look up another NPI →

Also registered at 7777 Forest LN Ste A103

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Molly Lohrey, AUDAudiologist1104700400
  2. Joshua Page, MDOtology & Neurotology Physician1588050082
  3. Brian Rodgers, MDOtology & Neurotology Physician1154645679

Verify Mary Katherine Marshallsea in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 81171    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Dallas Otolaryngology AssociatesDallas, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mary Katherine Marshallsea among 1,477 audiologist records in Texas

Mary Katherine Marshallsea, AU.D. is one of 1,477 audiologist records with a practice address in Texas. 35% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 68% of them.

  • NPI issued2019 · 68% of these records are older, 28% newer
  • In a Medicare fileYes · 35% of these records are
  • In the CMS Doctors and Clinicians fileYes · 38% of these records are
  • Graduated2019 · median 2016 among the 566 with a school on file
  • Record last updated2020 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 231H00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Audiologist providers in Texas

There are 1,477 audiologist records in Texas.

All 1,477 in Texas → Every provider in Dallas → Audiologist nationwide →

The 8 audiologist records with the nearest ZIP codes

  1. Laura Botts, AUDDallas, TX 752301922417286
  2. Jan Brown, MS.CCC/ADallas, TX 752301376701854
  3. Alice Carlsen, MS.CCC/ADallas, TX 752301720246218
  4. Linda Daniel, MS, MADallas, TX 752301760750970
  5. Lindsey De LeonDallas, TX 752301427546589
  6. Andrea Gerlach, AU.D.Dallas, TX 752301164565545
  7. Kristin King, AU.D.Dallas, TX 752301972766988
  8. Leslie Lianos, MSDallas, TX 752301073774675

Common questions

What is Mary Katherine Marshallsea, AU.D.'s NPI number?

Mary Katherine Marshallsea, AU.D.'s National Provider Identifier (NPI) is 1821646100, issued on Aug 29, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Mary Katherine Marshallsea, AU.D. located?

The NPPES record lists a practice address at 7777 Forest LN Ste A103, Dallas, TX, 75230. Phone: (972) 566-7600. Providers update this record themselves, so call before visiting.

How can I verify Mary Katherine Marshallsea, AU.D.'s license?

NPPES lists Texas license number 81171, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.