Quick answers
- Does Elena S. Mascarenhas accept Medicare assignment?
- Yes. Medicare's clinician data says Elena S. Mascarenhas 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 Elena S. Mascarenhas see?
- In 2024, CMS data shows 46 Original Medicare patients and 200 services for Elena S. Mascarenhas. This counts Original Medicare only and measures volume, not quality.
- What is Elena S. Mascarenhas's NPI number?
- 1467854406. 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 Elena S. Mascarenhas, 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 | 46 |
|---|---|
| Services billed to Medicare | 200 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 57 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)183 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).
- Anxiety75%
- Depression74%
- High blood pressure63%
- High cholesterol50%
- Diabetes35%
- Arthritis35%
Practice locations
Addresses where Elena S. Mascarenhas is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 20 Winter St, 1st FloorPembroke, MA 02359 (781) 312‑1393
- 231 Main St, Fl 3Brockton, MA 02301 (508) 586‑2660
- 259 A N St, Suite 1 and 2nd FloorHyannis, MA 02601 (508) 862‑0514
- 310 Barnstable Rd, Suite 201Hyannis, MA 02601 (508) 862‑0514
- 59 Lowes WayLowell, MA 01851 (978) 565‑0569
Group practices
Medicare enrollment lists Elena S. Mascarenhas as a member of this group (CMS data updated October 2, 2026).
- Northeast Health Services LLC479 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Pembroke
Clinicians with the same Medicare primary specialty in Pembroke, MA — not a recommendation.
Other clinicians in Northeast Health Services LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2014 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1467854406 |
| 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 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