Quick answers
- Which hospitals does Ryder P. Gwinn work at?
- Medicare's official clinician data lists Ryder P. Gwinn at 1 hospital: Evergreenhealth Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryder P. Gwinn see patients?
- Medicare's clinician data lists 2 practice locations, including Bellevue, WA and Kirkland, WA. Call before your visit to confirm the address.
- What is Ryder P. Gwinn's specialty?
- Medicare lists Neurosurgery as the primary specialty.
- Does Ryder P. Gwinn accept Medicare assignment?
- Yes. Medicare's clinician data says Ryder P. Gwinn 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 Ryder P. Gwinn?
- (425) 635-6560, as listed in official Medicare / NPI Registry data.
- What is Ryder P. Gwinn's NPI number?
- 1700945607. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ryder P. Gwinn works
Medicare's Facility Affiliation Data lists Ryder P. Gwinn at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Evergreenhealth Medical CenterKirkland, WA · Acute Care Hospital · CCN 500124
Practice locations
Addresses where Ryder P. Gwinn is enrolled with Medicare (CMS data updated 2026-10-02).
- 1135 116th Ave NE, Suite 500Bellevue, WA 98004 (425) 635‑6560
- 12039 NE 128th St, Suite 500Kirkland, WA 98034 (425) 899‑3139
Group practices
Medicare enrollment lists Ryder P. Gwinn as a member of these groups (CMS data updated 2026-10-02).
- King County Public Hospital District No 2608 clinicians in the group
- Overlake Medical Clinics LLC425 clinicians in the group
Specialties
- Neurosurgeryprimary
Other neurosurgeons in Bellevue
Clinicians with the same Medicare primary specialty in Bellevue, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Un Of California, Irvine, College Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700945607 |
| 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