Andrea Duffield
NPI 1174645691 · Speech-Language Pathologist · Bellevue, WA
Andrea Duffield is a Speech-Language Pathologist provider in Bellevue, WA (NPI 1174645691).
Provider details
- NPI number
- 1174645691
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- LL00003253 (WA)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-04-04
- Last updated
- 2012-06-26
Frequently asked questions
- What is Andrea Duffield's NPI number?
- Andrea Duffield's National Provider Identifier (NPI) is 1174645691, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrea Duffield's specialty?
- Andrea Duffield is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Andrea Duffield located?
- Andrea Duffield's practice location on file with NPPES is 13010 Ne 20th St, Bellevue, WA 98005-2034.
- What is Andrea Duffield's phone number?
- The practice phone number listed in the NPPES registry for Andrea Duffield is (425) 644-6328.
- Is Andrea Duffield's NPI active?
- Yes — Andrea Duffield's NPI (1174645691) is active in the NPPES registry as of the last update on 2012-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.