Ellen Ruby, LCSW, CASAC
NPI 1164720306 · Clinical Social Worker · Sag Harbor, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Ruby, LCSW, CASAC is a Clinical Social Worker provider in Sag Harbor, NY (NPI 1164720306).
Provider details
- NPI number
- 1164720306
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW, CASAC
- Sex
- Female
- Sole proprietor
- Yes
- License
- CASAC2385 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
15 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
- 2011-03-12
- Last updated
- 2011-03-12
Frequently asked questions
- What is Ellen Ruby's NPI number?
- Ellen Ruby's National Provider Identifier (NPI) is 1164720306, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Ruby's specialty?
- Ellen Ruby is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Ellen Ruby located?
- Ellen Ruby's practice location on file with NPPES is 26 Club Ln, Sag Harbor, NY 11963-2112.
- What is Ellen Ruby's phone number?
- The practice phone number listed in the NPPES registry for Ellen Ruby is (631) 725-1769.
- Does Ellen Ruby accept Medicare?
- Ellen Ruby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Ruby's NPI active?
- Yes — Ellen Ruby's NPI (1164720306) is active in the NPPES registry as of the last update on 2011-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.