Quick answers
- Where does Ellen Ruby see patients?
- Medicare's clinician data lists 2 practice locations, including Sag Harbor, NY. Call before your visit to confirm the address.
- What is Ellen Ruby's specialty?
- Medicare lists Clinical Social Worker as the primary specialty.
- Does Ellen Ruby accept Medicare assignment?
- Yes. Medicare's clinician data says Ellen Ruby accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Ellen Ruby?
- (631) 725-1769, as listed in official Medicare / NPI Registry data.
- What is Ellen Ruby's NPI number?
- 1164720306. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Ellen Ruby is enrolled with Medicare (CMS data updated 2026-10-02).
- 26 Club LaneSag Harbor, NY 11963
- 26 Club LnSag Harbor, NY 11963 (631) 725‑1769
Specialties
- Clinical Social Workerprimary
Other clinical social workers in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Medical school | State University Of New York At Stony Brook, School Of Medicine |
|---|---|
| Graduation year | 1981 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164720306 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians