Quick answers
- Does Sydney L. Marinelli accept Medicare assignment?
- Yes. Medicare's clinician data says Sydney L. Marinelli 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 Sydney L. Marinelli's NPI number?
- 1285583427. 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 Sydney L. Marinelli is enrolled with Medicare (CMS data updated October 2, 2026).
- 10845 Town Ctr Blvd, Suite 101Dunkirk, MD 20754 (410) 535‑1343
- 110 Hospital Rd, Suite 201Prince Frederick, MD 20678 (410) 535‑1343
- 86 Thomas Johnson CtFrederick, MD 21702 (301) 694‑8311
Group practices
Medicare enrollment lists Sydney L. Marinelli as a member of this group (CMS data updated October 2, 2026).
- Centers for Advanced Orthopaedics LLC604 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Dunkirk
Clinicians with the same Medicare primary specialty in Dunkirk, MD — not a recommendation.
Other clinicians in Centers for Advanced Orthopaedics LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2025 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285583427 |
| 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