Michael O'Brien, CADC II, NCAC I
NPI 1295173854 · Addiction (Substance Use Disorder) Counselor · Sonoma, CA
Michael O'Brien, CADC II, NCAC I is a Addiction (Substance Use Disorder) Counselor provider in Sonoma, CA (NPI 1295173854).
Provider details
- NPI number
- 1295173854
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CADC II, NCAC I
- Sex
- Male
- Sole proprietor
- No
- License
- AII058830618 (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
13 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
- 2013-06-05
- Last updated
- 2024-04-18
- Certified
- 2024-04-18
Frequently asked questions
- What is Michael O'Brien's NPI number?
- Michael O'Brien's National Provider Identifier (NPI) is 1295173854, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael O'Brien's specialty?
- Michael O'Brien is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Michael O'Brien located?
- Michael O'Brien's practice location on file with NPPES is 977 W Napa St # 1029, Sonoma, CA 95476-6422.
- What is Michael O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Michael O'Brien is (707) 812-2257.
- Is Michael O'Brien's NPI active?
- Yes — Michael O'Brien's NPI (1295173854) is active in the NPPES registry as of the last update on 2024-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.