Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Olivia Ann Brennan, AUD

Individual provider Audiologist · NPI 1750263992

Olivia Ann Brennan, AUD is a Qualified Audiologist in Sayville, New York. Qualified in 2025, 1 year ago. Licensed in New York.

Years since qualifying
1
Licensed in
NY
In the registry since
2025
What do these letters mean?
AUD — Doctor of Audiology
A hearing specialist who tests hearing and fits hearing aids.

See every abbreviation used in this directory →

Practice location Address checks out

58 S Main St
Sayville, NY 11782-3104
Phone: (631) 750-6377
Fax: (518) 504-6661
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Audiologist (primary) Taxonomy 231H00000X · Licence 3492387 (NY)

Record details

NPI number1750263992
Entity typeIndividual (Type 1)
GenderFemale
Credentials AUD
Sole proprietorNo
NPI enumeratedJuly 21, 2025
Last updated in NPPESJuly 21, 2025
Certification dateJuly 21, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyQUALIFIED AUDIOLOGIST
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare