Olivia Brennan, AU.D.
NPI 1750263992 · Audiologist · Sayville, NY
Enrolled with Medicare as Practitioner - Qualified Audiologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Olivia Brennan, AU.D. is a Audiologist provider in Sayville, NY (NPI 1750263992).
Provider details
- NPI number
- 1750263992
- Entity type
- Individual
- Primary specialty
- AudiologistSpeech, Language and Hearing Service Providers
- Credential
- AU.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 3492387 (NY)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2025-07-21
- Last updated
- 2025-07-21
- Certified
- 2025-07-21
Frequently asked questions
- What is Olivia Brennan's NPI number?
- Olivia Brennan's National Provider Identifier (NPI) is 1750263992, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olivia Brennan's specialty?
- Olivia Brennan is listed in the NPPES registry with a primary specialty of Audiologist (Speech, Language and Hearing Service Providers).
- Where is Olivia Brennan located?
- Olivia Brennan's practice location on file with NPPES is 58 S Main St, Sayville, NY 11782-3104.
- What is Olivia Brennan's phone number?
- The practice phone number listed in the NPPES registry for Olivia Brennan is (631) 750-6377.
- Does Olivia Brennan accept Medicare?
- Olivia Brennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Olivia Brennan's NPI active?
- Yes — Olivia Brennan's NPI (1750263992) is active in the NPPES registry as of the last update on 2025-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.