Gilbert Arellano, RN
NPI 1801745989 · Addiction (Substance Use Disorder) Registered Nurse · San Francisco, CA
Gilbert Arellano, RN is a Addiction (Substance Use Disorder) Registered Nurse provider in San Francisco, CA (NPI 1801745989).
Provider details
- NPI number
- 1801745989
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Male
- Sole proprietor
- No
- License
- 95343037 (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
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
- 2026-01-22
- Last updated
- 2026-01-22
- Certified
- 2026-01-22
Frequently asked questions
- What is Gilbert Arellano's NPI number?
- Gilbert Arellano's National Provider Identifier (NPI) is 1801745989, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gilbert Arellano's specialty?
- Gilbert Arellano is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Registered Nurse (Nursing Service Providers).
- Where is Gilbert Arellano located?
- Gilbert Arellano's practice location on file with NPPES is 995 Potrero Ave Bldg 90, San Francisco, CA 94110-2859.
- What is Gilbert Arellano's phone number?
- The practice phone number listed in the NPPES registry for Gilbert Arellano is (415) 206-8412.
- Is Gilbert Arellano's NPI active?
- Yes — Gilbert Arellano's NPI (1801745989) is active in the NPPES registry as of the last update on 2026-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.