Diane Houlton
NPI 1861341174 · Addiction (Substance Use Disorder) Registered Nurse · Chehalis, WA
Diane Houlton is a Addiction (Substance Use Disorder) Registered Nurse provider in Chehalis, WA (NPI 1861341174).
Provider details
- NPI number
- 1861341174
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) Registered NurseNursing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- RN00166380 (WA)
Specialties & taxonomies
Nursing 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
- 2026-01-28
- Last updated
- 2026-01-28
- Certified
- 2026-01-28
Frequently asked questions
- What is Diane Houlton's NPI number?
- Diane Houlton's National Provider Identifier (NPI) is 1861341174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Houlton's specialty?
- Diane Houlton is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Registered Nurse (Nursing Service Providers).
- Where is Diane Houlton located?
- Diane Houlton's practice location on file with NPPES is 500 Se Washington Ave, Chehalis, WA 98532-3058.
- What is Diane Houlton's phone number?
- The practice phone number listed in the NPPES registry for Diane Houlton is (360) 266-5029.
- Is Diane Houlton's NPI active?
- Yes — Diane Houlton's NPI (1861341174) is active in the NPPES registry as of the last update on 2026-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.