David O'Neill, M.D.
NPI 1386874923 · Blood Banking & Transfusion Medicine Physician · New York, NY
David O'Neill, M.D. is a Blood Banking & Transfusion Medicine Physician provider in New York, NY (NPI 1386874923).
Provider details
- NPI number
- 1386874923
- Entity type
- Individual
- Primary specialty
- Blood Banking & Transfusion Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 167576 (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
16 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
- 2009-07-16
- Last updated
- 2009-07-16
Frequently asked questions
- What is David O'Neill's NPI number?
- David O'Neill's National Provider Identifier (NPI) is 1386874923, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David O'Neill's specialty?
- David O'Neill is listed in the NPPES registry with a primary specialty of Blood Banking & Transfusion Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David O'Neill located?
- David O'Neill's practice location on file with NPPES is 400 E 34th St, New York, NY 10016-4901.
- What is David O'Neill's phone number?
- The practice phone number listed in the NPPES registry for David O'Neill is (212) 263-8046.
- Is David O'Neill's NPI active?
- Yes — David O'Neill's NPI (1386874923) is active in the NPPES registry as of the last update on 2009-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.