Melvern O'Brien, RN
NPI 1043855588 · Addiction (Substance Use Disorder) Registered Nurse · Chehalis, WA
Melvern O'Brien, RN is a Addiction (Substance Use Disorder) Registered Nurse provider in Chehalis, WA (NPI 1043855588).
Provider details
- NPI number
- 1043855588
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Male
- Sole proprietor
- No
- License
- RN00112727 (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
6 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
- 2019-11-07
- Last updated
- 2019-11-07
Frequently asked questions
- What is Melvern O'Brien's NPI number?
- Melvern O'Brien's National Provider Identifier (NPI) is 1043855588, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melvern O'Brien's specialty?
- Melvern O'Brien is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Registered Nurse (Nursing Service Providers).
- Where is Melvern O'Brien located?
- Melvern O'Brien's practice location on file with NPPES is 500 Se Washington Ave, Chehalis, WA 98532-3058.
- What is Melvern O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Melvern O'Brien is (509) 232-6755.
- Is Melvern O'Brien's NPI active?
- Yes — Melvern O'Brien's NPI (1043855588) is active in the NPPES registry as of the last update on 2019-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.