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

Ashley O'Neill

Individual provider Physician Assistant · NPI 1356883292

Ashley O'Neill is a Physician Assistant in West Islip, New York. Qualified in 2016, 10 years ago. Practices with North Shore-Lij Medical PC, a 6,350-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
10
Licensed in
NY
In the registry since
2016
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Practice location Address checks out

1000 Montauk Hwy
West Islip, NY 11795-4927
Phone: (631) 376-3000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 020396 (NY)

Record details

NPI number1356883292
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedNovember 9, 2016
Last updated in NPPESNovember 9, 2016
Mailing address420 Marcellus Rd, Mineola, NY 11501-1428

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice North Shore-Lij Medical Pc — 6350 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in West Islip