Barbara O'Sullivan, NP, MSN
NPI 1629227327 · Primary Care Nurse Practitioner · Brooklyn, NY
Barbara O'Sullivan, NP, MSN is a Primary Care Nurse Practitioner provider in Brooklyn, NY (NPI 1629227327).
Provider details
- NPI number
- 1629227327
- Entity type
- Individual
- Primary specialty
- Primary Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP, MSN
- Sex
- Female
- Sole proprietor
- No
- License
- F3024401 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2008-09-17
- Last updated
- 2023-09-07
Frequently asked questions
- What is Barbara O'Sullivan's NPI number?
- Barbara O'Sullivan's National Provider Identifier (NPI) is 1629227327, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara O'Sullivan's specialty?
- Barbara O'Sullivan is listed in the NPPES registry with a primary specialty of Primary Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Barbara O'Sullivan located?
- Barbara O'Sullivan's practice location on file with NPPES is 450 Clarkson Ave, Brooklyn, NY 11203-2056.
- What is Barbara O'Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Barbara O'Sullivan is (718) 270-2857.
- Is Barbara O'Sullivan's NPI active?
- Yes — Barbara O'Sullivan's NPI (1629227327) is active in the NPPES registry as of the last update on 2023-09-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.