Quick answers
- Which hospitals does Silas T. Marshall work at?
- Medicare's official clinician data lists Silas T. Marshall at 1 hospital: Overlake Hospital Medical Center & Clinics. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Silas T. Marshall see patients?
- Medicare's clinician data lists 2 practice locations, including Bellevue, WA and Issaquah, WA. Call before your visit to confirm the address.
- What is Silas T. Marshall's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Silas T. Marshall accept Medicare assignment?
- Yes. Medicare's clinician data says Silas T. Marshall accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Silas T. Marshall?
- (425) 455-3600, as listed in official Medicare / NPI Registry data.
- What is Silas T. Marshall's NPI number?
- 1225217011. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Silas T. Marshall works
Medicare's Facility Affiliation Data lists Silas T. Marshall at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Overlake Hospital Medical Center & ClinicsBellevue, WA · Acute Care Hospital · CCN 500051
Practice locations
Addresses where Silas T. Marshall is enrolled with Medicare (CMS data updated 2026-10-02).
- 1231 116th Ave NE, Suite 750Bellevue, WA 98004 (425) 455‑3600
- 510 8th Ave NE, Suite 200Issaquah, WA 98029 (425) 392‑3030
Group practices
Medicare enrollment lists Silas T. Marshall as a member of this group (CMS data updated 2026-10-02).
- Proliance Surgeons Inc P S397 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Bellevue
Clinicians with the same Medicare primary specialty in Bellevue, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225217011 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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