Ann O'Brien, FNP-BC
NPI 1831586155 · Family Nurse Practitioner · New York, NY
Ann O'Brien, FNP-BC is a Family Nurse Practitioner provider in New York, NY (NPI 1831586155).
Provider details
- NPI number
- 1831586155
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 604560 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
- 2015-04-24
- Last updated
- 2017-06-22
Frequently asked questions
- What is Ann O'Brien's NPI number?
- Ann O'Brien's National Provider Identifier (NPI) is 1831586155, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann O'Brien's specialty?
- Ann O'Brien is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ann O'Brien located?
- Ann O'Brien's practice location on file with NPPES is 3059 Broadway Chn 11th Fl Room 1115, New York, NY 10032.
- What is Ann O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Ann O'Brien is (212) 305-5825.
- Is Ann O'Brien's NPI active?
- Yes — Ann O'Brien's NPI (1831586155) is active in the NPPES registry as of the last update on 2017-06-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.