NPPES file of Aug 9, 2026

Julia Theresa O'Brien, AU.D.

Audiologist · Gambrills, MD

Julia Theresa O'Brien, AU.D. is an audiologist with a practice address in Gambrills, Maryland, and NPI 1255229126, issued on Jun 27, 2025. Check the license (Maryland 01719, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1255229126
Name
Julia Theresa O'Brien
Credential
AU.D.
Primary taxonomy
Audiologist 231H00000X
License number
01719 MD
Self-reported in NPPES; status is on the state search
Practice location
2654 Brandermill Blvd, Gambrills, MD 21054
Phone
(410) 672-1233
Enumerated
Jun 27, 2025
Record last updated
Jun 27, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2654 Brandermill Blvd

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

  1. James Keyes, D.C.Chiropractor1669742680
  2. James Lindauer, D.C.Chiropractor1043341357

Verify Julia Theresa O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license 01719    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 Maryland license search

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Audiologist providers in Maryland

There are 519 audiologist records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 519 in Maryland → Every provider in Gambrills →

Other audiologist records in Maryland

  1. Rose AbateLargo, MD1245760370
  2. Sandra AbramowitzBaltimore, MD1083272652
  3. Arielle Abrams, AUDBaltimore, MD1386269850
  4. Mikayla Abrams GriffinParkville, MD1538646872
  5. Mary Adams, AU.D.Chevy Chase, MD1316016843
  6. Tehila Adler, AU.D.Baltimore, MD1841064052
  7. Cara Adorntto, C.C.C.Glen Burnie, MD1457360380
  8. Kendell Adson, AU.D.Columbia, MD1376476945
  9. Adam Alamillo, AUDChevy Chase, MD1821699414
  10. Caroline Aland, AUDSeverna Park, MD1922097617

Common questions

What is Julia Theresa O'Brien, AU.D.'s NPI number?

Julia Theresa O'Brien, AU.D.'s National Provider Identifier (NPI) is 1255229126, issued on Jun 27, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Julia Theresa O'Brien, AU.D. located?

The NPPES record lists a practice address at 2654 Brandermill Blvd, Gambrills, MD, 21054. Phone: (410) 672-1233. Providers update this record themselves, so call before visiting.

How can I verify Julia Theresa O'Brien, AU.D.'s license?

NPPES lists Maryland license number 01719, as entered by the provider. Search the Maryland 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. 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.