Quick answers
- Which hospitals does Ellen Spar work at?
- Medicare's official clinician data lists Ellen Spar at 3 hospitals: Beth Israel Deaconess Medical Center, Brigham and Women's Hospital and Mount Auburn Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ellen Spar see patients?
- Medicare's clinician data lists 11 practice locations, including Dedham, MA, Needham, MA and Quincy, MA. Call before your visit to confirm the address.
- What is Ellen Spar's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Ellen Spar accept Medicare assignment?
- Yes. Medicare's clinician data says Ellen Spar 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.
- Does Ellen Spar offer telehealth?
- Medicare's clinician data says Ellen Spar offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ellen Spar?
- (781) 329-1400, as listed in official Medicare / NPI Registry data.
- What is Ellen Spar's NPI number?
- 1285686386. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ellen Spar works
Medicare's Facility Affiliation Data lists Ellen Spar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Beth Israel Deaconess Medical CenterBoston, MA · Acute Care Hospital · CCN 220086
- Brigham and Women's HospitalBoston, MA · Acute Care Hospital · CCN 220110
- Mount Auburn HospitalCambridge, MA · Acute Care Hospital · CCN 220002
Practice locations
Addresses where Ellen Spar is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 11; the Medicare profile lists all.
- 1 Lyons StDedham, MA 02026 (781) 329‑1400
- 100 2nd AveNeedham, MA 02494 (781) 726‑4800
- 1250 Hancock StQuincy, MA 02169 (617) 740‑0600
- 133 Brookline AveBoston, MA 02215 (617) 421‑1000
- 142 Berkeley StBoston, MA 02116 (617) 859‑5000
Group practices
Medicare enrollment lists Ellen Spar as a member of this group (CMS data updated 2026-10-02).
- Atrius Health Inc1,222 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Dedham
Clinicians with the same Medicare primary specialty in Dedham, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 1987 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1285686386 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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