Claudia De La Ossa, AOD
NPI 1477433290 · Addiction (Substance Use Disorder) Counselor · Fairfield, CA
Claudia De La Ossa, AOD is a Addiction (Substance Use Disorder) Counselor provider in Fairfield, CA (NPI 1477433290).
Provider details
- NPI number
- 1477433290
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- AOD
- Sex
- Female
- Sole proprietor
- No
- License
- 1595200125 (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
- 2025-09-03
- Last updated
- 2025-10-24
- Certified
- 2025-09-03
Frequently asked questions
- What is Claudia De La Ossa's NPI number?
- Claudia De La Ossa's National Provider Identifier (NPI) is 1477433290, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Claudia De La Ossa's specialty?
- Claudia De La Ossa is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Claudia De La Ossa located?
- Claudia De La Ossa's practice location on file with NPPES is 1095 E Tabor Ave, Fairfield, CA 94533-4190.
- What is Claudia De La Ossa's phone number?
- The practice phone number listed in the NPPES registry for Claudia De La Ossa is (707) 435-9807.
- Is Claudia De La Ossa's NPI active?
- Yes — Claudia De La Ossa's NPI (1477433290) is active in the NPPES registry as of the last update on 2025-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.