Kirby Winfield, MD
NPI 1578599577 · Diagnostic Radiology Physician · Seattle, WA
Kirby Winfield, MD is a Diagnostic Radiology Physician provider in Seattle, WA (NPI 1578599577).
Provider details
- NPI number
- 1578599577
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00011937 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Registry dates
- Enumerated
- 2006-06-23
- Last updated
- 2008-02-14
Frequently asked questions
- What is Kirby Winfield's NPI number?
- Kirby Winfield's National Provider Identifier (NPI) is 1578599577, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kirby Winfield's specialty?
- Kirby Winfield is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Kirby Winfield located?
- Kirby Winfield's practice location on file with NPPES is 1229 Madison St, Seattle, WA 98104-3586.
- What is Kirby Winfield's phone number?
- The practice phone number listed in the NPPES registry for Kirby Winfield is (206) 292-6233.
- Is Kirby Winfield's NPI active?
- Yes — Kirby Winfield's NPI (1578599577) is active in the NPPES registry as of the last update on 2008-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.