Jill Williamson
NPI 1538403464 · Speech-Language Pathologist · Richland, WA
Jill Williamson is a Speech-Language Pathologist provider in Richland, WA (NPI 1538403464).
Provider details
- NPI number
- 1538403464
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- LL60301415 (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
13 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
- 2012-11-15
- Last updated
- 2012-11-15
Frequently asked questions
- What is Jill Williamson's NPI number?
- Jill Williamson's National Provider Identifier (NPI) is 1538403464, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jill Williamson's specialty?
- Jill Williamson is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Jill Williamson located?
- Jill Williamson's practice location on file with NPPES is 615 Snow Ave, Richland, WA 99352-3851.
- What is Jill Williamson's phone number?
- The practice phone number listed in the NPPES registry for Jill Williamson is (509) 967-6308.
- Is Jill Williamson's NPI active?
- Yes — Jill Williamson's NPI (1538403464) is active in the NPPES registry as of the last update on 2012-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.