Sierra Leonard
NPI 1669335550 · Speech-Language Pathologist · Oak Harbor, WA
Sierra Leonard is a Speech-Language Pathologist provider in Oak Harbor, WA (NPI 1669335550).
Provider details
- NPI number
- 1669335550
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- SLPI.SI.70023252 (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
Under 1 yr in 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
- 2025-12-08
- Last updated
- 2025-12-08
- Certified
- 2025-12-07
Frequently asked questions
- What is Sierra Leonard's NPI number?
- Sierra Leonard's National Provider Identifier (NPI) is 1669335550, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sierra Leonard's specialty?
- Sierra Leonard is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Sierra Leonard located?
- Sierra Leonard's practice location on file with NPPES is 1500 Nw 2nd Ave, Oak Harbor, WA 98277-8932.
- What is Sierra Leonard's phone number?
- The practice phone number listed in the NPPES registry for Sierra Leonard is (360) 279-5200.
- Is Sierra Leonard's NPI active?
- Yes — Sierra Leonard's NPI (1669335550) is active in the NPPES registry as of the last update on 2025-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.