Quick answers
- Does Brenda A. Sefton accept Medicare assignment?
- Yes. Medicare's clinician data says Brenda A. Sefton 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.
- What is Brenda A. Sefton's NPI number?
- 1215184080. 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 Brenda A. Sefton is enrolled with Medicare (CMS data updated October 2, 2026).
- 300 Longwood AveBoston, MA 02115 (617) 355‑6000
Group practices
Medicare enrollment lists Brenda A. Sefton as a member of this group (CMS data updated October 2, 2026).
- CHMC Cardiovascular Surgical Foundation Inc8 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Boston
Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.
Other clinicians in CHMC Cardiovascular Surgical Foundation Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | George Washington University School Of Medicine |
|---|---|
| Graduation year | 1995 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1215184080 |
| 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
- 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