Cynthia O'Sullivan, APRN
NPI 1447769468 · Family Nurse Practitioner · Madison, CT
Cynthia O'Sullivan, APRN is a Family Nurse Practitioner provider in Madison, CT (NPI 1447769468).
Provider details
- NPI number
- 1447769468
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 7030 (CT)
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
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 687 Campbell AveWest Haven, CT 06516-3774Phone: (203) 932-6481
Registry dates
- Enumerated
- 2017-09-21
- Last updated
- 2021-05-27
- Certified
- 2021-05-27
Frequently asked questions
- What is Cynthia O'Sullivan's NPI number?
- Cynthia O'Sullivan's National Provider Identifier (NPI) is 1447769468, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia O'Sullivan's specialty?
- Cynthia O'Sullivan is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cynthia O'Sullivan located?
- Cynthia O'Sullivan's practice location on file with NPPES is 30 Highview Rd, Madison, CT 06443-2554.
- What is Cynthia O'Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Cynthia O'Sullivan is (203) 216-2945.
- Is Cynthia O'Sullivan's NPI active?
- Yes — Cynthia O'Sullivan's NPI (1447769468) is active in the NPPES registry as of the last update on 2021-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.