What is Julia O'Brien's NPI number?

Julia O'Brien's National Provider Identifier (NPI) is 1255229126, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Julia O'Brien's specialty?

Julia O'Brien is listed in the NPPES registry with a primary specialty of Audiologist (Speech, Language and Hearing Service Providers).

Where is Julia O'Brien located?

Julia O'Brien's practice location on file with NPPES is 2654 Brandermill Blvd, Gambrills, MD 21054-1651.

What is Julia O'Brien's phone number?

The practice phone number listed in the NPPES registry for Julia O'Brien is (410) 672-1233.

Is Julia O'Brien's NPI active?

Yes — Julia O'Brien's NPI (1255229126) is active in the NPPES registry as of the last update on 2025-06-27.

IndividualActive

Julia O'Brien, AU.D.

NPI 1255229126 · Audiologist · Gambrills, MD

Julia O'Brien, AU.D. is a Audiologist provider in Gambrills, MD (NPI 1255229126).

Provider details

NPI number: 1255229126
Entity type: Individual
Primary specialty: AudiologistSpeech, Language and Hearing Service Providers
Credential: AU.D.
Sex: Female
Sole proprietor: No
License: 01719 (MD)

Specialties & taxonomies

AudiologistPrimary231H00000XLicense 01719 (MD)
Speech, Language and Hearing Service Providers

Profile Score

Established profile(54/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

2654 Brandermill Blvd

Gambrills, MD 21054-1651

Phone: (410) 672-1233

Street-level locationGet directions

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Mailing address