Quick answers
- Does Stephanie Von Csiky-Sessoms accept Medicare assignment?
- Yes. Medicare's clinician data says Stephanie Von Csiky-Sessoms 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 Stephanie Von Csiky-Sessoms's NPI number?
- 1780212795. 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 Stephanie Von Csiky-Sessoms is enrolled with Medicare (CMS data updated October 2, 2026).
- 485 Arsenal StWatertown, MA 02472 (617) 972‑5100
- 5 Neponset StWorcesteer, MA 01606 (508) 595‑2300
Group practices
Medicare enrollment lists Stephanie Von Csiky-Sessoms as a member of these groups (CMS data updated October 2, 2026).
- Atrius Health Inc1,222 clinicians in the group
- Reliant Medical Group Inc640 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Watertown
Clinicians with the same Medicare primary specialty in Watertown, MA — not a recommendation.
Other clinicians in Atrius Health Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Icahn School Of Medicine At Mount Sinai |
| Graduation year | 2020 (6 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780212795 |
| 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