IndividualActive
William Spain, MD
NPI 1457450322 · Neurology Physician · Seattle, WA
William Spain, MD is a Neurology Physician provider in Seattle, WA (NPI 1457450322).
Provider details
- NPI number
- 1457450322
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00016960 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
1660 S Columbian Way
Neurology 127
Seattle, WA 98108-1532
Phone: (206) 764-2021
Street-level locationGet directions
Mailing address
6737 57th Ave S
Seattle, WA 98118-3423
Registry dates
- Enumerated
- 2006-09-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Spain's NPI number?
- William Spain's National Provider Identifier (NPI) is 1457450322, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Spain's specialty?
- William Spain is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is William Spain located?
- William Spain's practice location on file with NPPES is 1660 S Columbian Way, Seattle, WA 98108-1532.
- What is William Spain's phone number?
- The practice phone number listed in the NPPES registry for William Spain is (206) 764-2021.
- Is William Spain's NPI active?
- Yes — William Spain's NPI (1457450322) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.