Nancy Sullivan-O'Leary, FNP
NPI 1902157464 · Family Nurse Practitioner · Boston, MA
Nancy Sullivan-O'Leary, FNP is a Family Nurse Practitioner provider in Boston, MA (NPI 1902157464).
Provider details
- NPI number
- 1902157464
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- RN202226 (MA)
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
13 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
- 2012-09-25
- Last updated
- 2012-09-25
Frequently asked questions
- What is Nancy Sullivan-O'Leary's NPI number?
- Nancy Sullivan-O'Leary's National Provider Identifier (NPI) is 1902157464, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Sullivan-O'Leary's specialty?
- Nancy Sullivan-O'Leary is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nancy Sullivan-O'Leary located?
- Nancy Sullivan-O'Leary's practice location on file with NPPES is 125 Parker Hill Ave, Boston, MA 02120-2847.
- What is Nancy Sullivan-O'Leary's phone number?
- The practice phone number listed in the NPPES registry for Nancy Sullivan-O'Leary is (671) 754-5495.
- Is Nancy Sullivan-O'Leary's NPI active?
- Yes — Nancy Sullivan-O'Leary's NPI (1902157464) is active in the NPPES registry as of the last update on 2012-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.