Quick answers
- Does Elizabeth N. Alt accept Medicare assignment?
- Yes. Medicare's clinician data says Elizabeth N. Alt 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 Elizabeth N. Alt see?
- In 2024, CMS data shows 11 Original Medicare patients and 24 services for Elizabeth N. Alt. This counts Original Medicare only and measures volume, not quality.
- What is Elizabeth N. Alt's NPI number?
- 1356635916. 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 Elizabeth N. Alt, 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 | 11 |
|---|---|
| Services billed to Medicare | 24 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 68 |
Practice locations
Addresses where Elizabeth N. Alt is enrolled with Medicare (CMS data updated October 2, 2026).
- 1254 Boylston StBoston, MA 02215 (617) 892‑4827
- 186 Lincoln St, Fl 1Boston, MA 02111 (669) 231‑6870
- 80 Summer St, Suite 1Boston, MA 02110 (617) 865‑2749
Group practices
Medicare enrollment lists Elizabeth N. Alt as a member of these groups (CMS data updated October 2, 2026).
- Carbon Health Medical Group of Massachusetts PC30 clinicians in the group
- Pairtu Health Medical Group PA10 clinicians in the group
Specialties
- Family Practiceprimary
- Preventive Medicinealso
Other family doctors in Boston
Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.
Other clinicians in Carbon Health Medical Group of Massachusetts PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York Downstate Medical Center |
| Graduation year | 2006 (20 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1356635916 |
| 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