Ryder Gwinn, MD
NPI 1700945607 · Neurological Surgery Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryder Gwinn, MD is a Neurological Surgery Physician provider in Seattle, WA (NPI 1700945607).
Provider details
- NPI number
- 1700945607
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00043991 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
189 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 80 | $150 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 45 | $188 |
| Insertion of Brain Neurostimulator Pulse Device With Connection to 2 Or More Electrode Arrays61886 | 27 | $976 |
| Removal of Skull Bone With Computer-Assisted Insertion of Neurostimulator Electrodes in Brain, First Array61863 | 24 | $1,621 |
| Removal of Skull Bone With Computer-Assisted Insertion of Neurostimulator Electrodes in Brain, Each Additional Array61864 | 13 | $292 |
Typical Medicare-allowed amounts for these services range $150–$1,621 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,738 across 20 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 550 17th Ave Ste 540Seattle, WA 98122-4470Phone: (206) 320-4145Fax: (206) 320-8149
Registry dates
- Enumerated
- 2006-12-06
- Last updated
- 2021-05-25
- Certified
- 2021-05-25
Frequently asked questions
- What is Ryder Gwinn's NPI number?
- Ryder Gwinn's National Provider Identifier (NPI) is 1700945607, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryder Gwinn's specialty?
- Ryder Gwinn is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Ryder Gwinn located?
- Ryder Gwinn's practice location on file with NPPES is 801 Broadway, Seattle, WA 98122-4396.
- What is Ryder Gwinn's phone number?
- The practice phone number listed in the NPPES registry for Ryder Gwinn is (206) 386-3880.
- Does Ryder Gwinn accept Medicare?
- Ryder Gwinn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryder Gwinn's NPI active?
- Yes — Ryder Gwinn's NPI (1700945607) is active in the NPPES registry as of the last update on 2021-05-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.