Quick answers
- Where does Greyson L. Mitchell see patients?
- Medicare's clinician data lists 8 practice locations, including Seattle, WA. Call before your visit to confirm the address.
- What is Greyson L. Mitchell's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Greyson L. Mitchell accept Medicare assignment?
- Yes. Medicare's clinician data says Greyson L. Mitchell 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 Greyson L. Mitchell?
- (206) 254-1400, as listed in official Medicare / NPI Registry data.
- What is Greyson L. Mitchell's NPI number?
- 1578284329. 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 Greyson L. Mitchell is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 116 Fairview Ave N, MirabellaSeattle, WA 98109 (206) 254‑1400
- 1701 Columbia RdSeattle, WA 98195 (206) 598‑3100
- 1959 NE Pacific StSeattle, WA 98195 (206) 598‑4333
- 2717 Dexter Ave NSeattle, WA 98109 (206) 284‑7012
- 3800 Montlake Blvd NESeattle, WA 98195 (206) 598‑1534
Group practices
Medicare enrollment lists Greyson L. Mitchell as a member of this group (CMS data updated 2026-10-02).
- The Association of University Physicians3,535 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Seattle
Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2025 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578284329 |
| 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 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