Arnold Baker, RN
NPI 1639725559 · Psychiatric/Mental Health Registered Nurse · Eureka, CA
Arnold Baker, RN is a Psychiatric/Mental Health Registered Nurse provider in Eureka, CA (NPI 1639725559).
Provider details
- NPI number
- 1639725559
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Male
- Sole proprietor
- Yes
- License
- 579461 (CA)
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
- 2019-08-15
- Last updated
- 2019-09-04
Frequently asked questions
- What is Arnold Baker's NPI number?
- Arnold Baker's National Provider Identifier (NPI) is 1639725559, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arnold Baker's specialty?
- Arnold Baker is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).
- Where is Arnold Baker located?
- Arnold Baker's practice location on file with NPPES is 720 Wood St, Eureka, CA 95501-4413.
- What is Arnold Baker's phone number?
- The practice phone number listed in the NPPES registry for Arnold Baker is (707) 268-2990.
- Is Arnold Baker's NPI active?
- Yes — Arnold Baker's NPI (1639725559) is active in the NPPES registry as of the last update on 2019-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.