Melanie O'Neill, MD
NPI 1053483917 · Emergency Medicine Physician · Uniondale, NY
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melanie O'Neill, MD is a Emergency Medicine Physician provider in Uniondale, NY (NPI 1053483917).
Provider details
- NPI number
- 1053483917
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 241218 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-15
- Last updated
- 2020-05-14
- Certified
- 2020-05-14
Frequently asked questions
- What is Melanie O'Neill's NPI number?
- Melanie O'Neill's National Provider Identifier (NPI) is 1053483917, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melanie O'Neill's specialty?
- Melanie O'Neill is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Melanie O'Neill located?
- Melanie O'Neill's practice location on file with NPPES is 1345 Rxr Plz Fl 13, Uniondale, NY 11556-1301.
- What is Melanie O'Neill's phone number?
- The practice phone number listed in the NPPES registry for Melanie O'Neill is (516) 453-0435.
- Does Melanie O'Neill accept Medicare?
- Melanie O'Neill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melanie O'Neill's NPI active?
- Yes — Melanie O'Neill's NPI (1053483917) is active in the NPPES registry as of the last update on 2020-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.