Harolyn Toliver, SUDCC IV
NPI 1093991937 · Addiction (Substance Use Disorder) Counselor · Oakland, CA
Harolyn Toliver, SUDCC IV is a Addiction (Substance Use Disorder) Counselor provider in Oakland, CA (NPI 1093991937).
Provider details
- NPI number
- 1093991937
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- SUDCC IV
- Sex
- Female
- Sole proprietor
- No
- License
- 6816 (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
18 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
- 2008-01-10
- Last updated
- 2026-01-16
- Certified
- 2026-01-16
Frequently asked questions
- What is Harolyn Toliver's NPI number?
- Harolyn Toliver's National Provider Identifier (NPI) is 1093991937, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harolyn Toliver's specialty?
- Harolyn Toliver is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Harolyn Toliver located?
- Harolyn Toliver's practice location on file with NPPES is 1342 E 27th St, Oakland, CA 94606-3266.
- What is Harolyn Toliver's phone number?
- The practice phone number listed in the NPPES registry for Harolyn Toliver is (510) 535-0611.
- Is Harolyn Toliver's NPI active?
- Yes — Harolyn Toliver's NPI (1093991937) is active in the NPPES registry as of the last update on 2026-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.