Quick answers
- Does Eleanor R. Sullivan accept Medicare assignment?
- Yes. Medicare's clinician data says Eleanor R. Sullivan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Eleanor R. Sullivan see?
- In 2024, CMS data shows 1,738 Original Medicare patients and 9,827 services for Eleanor R. Sullivan. This counts Original Medicare only and measures volume, not quality.
- What is Eleanor R. Sullivan's NPI number?
- 1518919836. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Eleanor R. Sullivan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 1,738 |
|---|---|
| Services billed to Medicare | 9,827 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)2,702 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)2,653 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)703 services
- Anticoagulant management of patient taking warfarin (93793)660 services
- Technetium tc-99m sestamibi, diagnostic, per study dose (A9500)578 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Ischemic heart disease34%
- Atrial fibrillation30%
- Chronic kidney disease27%
Hospitals where Eleanor R. Sullivan works
Medicare's Facility Affiliation Data lists Eleanor R. Sullivan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Baystate Medical CenterSpringfield, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220077
- Berkshire Medical CenterPittsfield, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220046
- Cape Cod HospitalHyannis, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220012
Practice locations
Addresses where Eleanor R. Sullivan is enrolled with Medicare (CMS data updated October 2, 2026).
- 125 Underpass RdBrewster, MA 02631 (508) 876‑3777
- 71 Hospital AveNorth Adams, MA 01247 (413) 664‑5411
Group practices
Medicare enrollment lists Eleanor R. Sullivan as a member of this group (CMS data updated October 2, 2026).
- Berkshire Faculty Services Inc276 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Massachusetts →
Other cardiologists in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Other clinicians in Berkshire Faculty Services Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tufts University School Of Medicine |
| Graduation year | 1994 (32 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1518919836 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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