Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. David Charles Oneil, MD, PHD

Individual provider Internal Medicine Physician · NPI 1811926249

Dr. David Charles Oneil, MD, PHD is an Internal Medicine Physician in Orchard Park, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

3755 Abbott Rd
Orchard Park, NY 14127-2115
Phone: (716) 649-4454
Fax: (716) 649-4794
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 172109 (NY)

Record details

NPI number1811926249
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedJune 30, 2006
Last updated in NPPESJuly 9, 2008

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