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

Melanie Beth O'Neill, MD

Individual provider Emergency Medicine Physician · NPI 1053483917

Melanie Beth O'Neill, MD is an Emergency Medicine Physician in Uniondale, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1345 Rxr Plz Fl 13
Uniondale, NY 11556-1301
Phone: (516) 453-0435
Fax: (646) 846-3283
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 241218 (NY)

Record details

NPI number1053483917
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 15, 2006
Last updated in NPPESMay 14, 2020
Certification dateMay 14, 2020

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