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

Elizabeth A. O Neill MD, PC

Organization Internal Medicine Physician · NPI 1184882755

Elizabeth A. O Neill MD, PC is an Internal Medicine Physician in Amherst, New York. Licensed in New York. Registered with an NPI since 2008.

Licensed in
NY
In the registry since
2008
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1412 Sweet Home Rd Ste 4
Amherst, NY 14228-2795
Phone: (716) 810-9030
Fax: (716) 810-9033
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 193863 (NY)

Record details

NPI number1184882755
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Margie Law — Billing Manager · (716) 656-0078
NPI enumeratedMay 29, 2008
Last updated in NPPESJune 22, 2010
Mailing address1412 Sweet Home Rd, Ste 4, Amherst, NY 14228-2795

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