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William Hazzard, MD
NPI 1609963073 · Internal Medicine Physician · Seattle, WA
William Hazzard, MD is a Internal Medicine Physician provider in Seattle, WA (NPI 1609963073).
Provider details
- NPI number
- 1609963073
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00009359 (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
S-Gec-182
Seattle, WA 98108-1532
Phone: (206) 764-2723
Fax: (206) 768-5309
Street-level locationGet directions
Mailing address
1660 S Columbian Way
Seattle, WA 98108-1532
Registry dates
- Enumerated
- 2006-10-06
- Last updated
- 2007-07-09
Frequently asked questions
- What is William Hazzard's NPI number?
- William Hazzard's National Provider Identifier (NPI) is 1609963073, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hazzard's specialty?
- William Hazzard is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Hazzard located?
- William Hazzard's practice location on file with NPPES is 1660 S Columbian Way, Seattle, WA 98108-1532.
- What is William Hazzard's phone number?
- The practice phone number listed in the NPPES registry for William Hazzard is (206) 764-2723.
- Is William Hazzard's NPI active?
- Yes — William Hazzard's NPI (1609963073) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.