Diane Sullivan
NPI 1013978642 · Social Worker · Ithaca, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Sullivan is a Social Worker provider in Ithaca, NY (NPI 1013978642).
Provider details
- NPI number
- 1013978642
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- License
- R039539-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-03-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is Diane Sullivan's NPI number?
- Diane Sullivan's National Provider Identifier (NPI) is 1013978642, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Sullivan's specialty?
- Diane Sullivan is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Diane Sullivan located?
- Diane Sullivan's practice location on file with NPPES is Cornell University Health Services, Ithaca, NY 14853-3101.
- What is Diane Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Diane Sullivan is (607) 255-6946.
- Does Diane Sullivan accept Medicare?
- Diane Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Sullivan's NPI active?
- Yes — Diane Sullivan's NPI (1013978642) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.