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

Mrs. Mary Elizabeth O'Sullivan, MACCCA

Individual provider Audiologist · NPI 1407028079

Mrs. Mary Elizabeth O'Sullivan, MACCCA is a Qualified Audiologist in Yonkers, New York. Qualified in 2000, 26 years ago. Practices with ENT and Allergy Associates LLP, a 432-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
26
Licensed in
NY
In the registry since
2008
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Practice location Address checks out

984 N Broadway SUITE400
Yonkers, NY 10701-1318 Not confirmed with CMS for 17 years — call before visiting
Phone: (914) 963-8588
Fax: (914) 963-0253
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Audiologist (primary) Taxonomy 231H00000X · Licence 001837-1 (NY)

Record details

NPI number1407028079
Entity typeIndividual (Type 1)
GenderFemale
Credentials MACCCA
Sole proprietorNo
NPI enumeratedMarch 24, 2008
Last updated in NPPESJanuary 5, 2009

Medicare enrollment

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

Medicare specialtyQUALIFIED AUDIOLOGIST
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Ent And Allergy Associates Llp — 432 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients486
Services billed 988 a service is one billed item, such as a visit, a test or a procedure
Average patient age77

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at ENT and Allergy Associates LLP

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 432 clinicians in the practice; 12 are shown here.

Other providers in Yonkers