Tonia Holsten, CAS C052360518
NPI 1417238379 · Addiction (Substance Use Disorder) Counselor · Oakland, CA
Tonia Holsten, CAS C052360518 is a Addiction (Substance Use Disorder) Counselor provider in Oakland, CA (NPI 1417238379).
Provider details
- NPI number
- 1417238379
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CAS C052360518
- Sex
- Female
- Sole proprietor
- No
- License
- H0908201631 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
14 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
- 2011-09-06
- Last updated
- 2020-01-31
- Certified
- 2020-01-31
Frequently asked questions
- What is Tonia Holsten's NPI number?
- Tonia Holsten's National Provider Identifier (NPI) is 1417238379, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tonia Holsten's specialty?
- Tonia Holsten is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Tonia Holsten located?
- Tonia Holsten's practice location on file with NPPES is 1124 International Blvd, Oakland, CA 94606-4331.
- What is Tonia Holsten's phone number?
- The practice phone number listed in the NPPES registry for Tonia Holsten is (501) 533-0800.
- Is Tonia Holsten's NPI active?
- Yes — Tonia Holsten's NPI (1417238379) is active in the NPPES registry as of the last update on 2020-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.