Catherine Sullivan, NP
NPI 1134304645 · Gerontology Nurse Practitioner · Holtsville, NY
Catherine Sullivan, NP is a Gerontology Nurse Practitioner provider in Holtsville, NY (NPI 1134304645).
Provider details
- NPI number
- 1134304645
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- F340126 (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
18 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
- 2008-01-03
- Last updated
- 2008-01-03
Frequently asked questions
- What is Catherine Sullivan's NPI number?
- Catherine Sullivan's National Provider Identifier (NPI) is 1134304645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Sullivan's specialty?
- Catherine Sullivan is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Catherine Sullivan located?
- Catherine Sullivan's practice location on file with NPPES is 5537 Expressway Dr N, Holtsville, NY 11742-1316.
- What is Catherine Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Catherine Sullivan is (631) 758-3336.
- Is Catherine Sullivan's NPI active?
- Yes — Catherine Sullivan's NPI (1134304645) is active in the NPPES registry as of the last update on 2008-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.