Brian O'Quin
NPI 1477413359 · Addiction (Substance Use Disorder) Counselor · Grass Valley, CA
Brian O'Quin is a Addiction (Substance Use Disorder) Counselor provider in Grass Valley, CA (NPI 1477413359).
Provider details
- NPI number
- 1477413359
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 23407 (CA)
Specialties & taxonomies
Behavioral Health & Social 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
- 2025-11-13
- Last updated
- 2025-11-13
- Certified
- 2025-11-13
Frequently asked questions
- What is Brian O'Quin's NPI number?
- Brian O'Quin's National Provider Identifier (NPI) is 1477413359, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian O'Quin's specialty?
- Brian O'Quin is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Brian O'Quin located?
- Brian O'Quin's practice location on file with NPPES is 180 Sierra College Dr, Grass Valley, CA 95945-5768.
- What is Brian O'Quin's phone number?
- The practice phone number listed in the NPPES registry for Brian O'Quin is (530) 273-9541.
- Is Brian O'Quin's NPI active?
- Yes — Brian O'Quin's NPI (1477413359) is active in the NPPES registry as of the last update on 2025-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.