Leanna Halvorsen
NPI 1871348326 · Addiction (Substance Use Disorder) Counselor · Santa Rosa, CA
Leanna Halvorsen is a Addiction (Substance Use Disorder) Counselor provider in Santa Rosa, CA (NPI 1871348326).
Provider details
- NPI number
- 1871348326
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
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
2 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2024-04-18
- Last updated
- 2024-04-18
- Certified
- 2024-04-12
Frequently asked questions
- What is Leanna Halvorsen's NPI number?
- Leanna Halvorsen's National Provider Identifier (NPI) is 1871348326, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leanna Halvorsen's specialty?
- Leanna Halvorsen is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Leanna Halvorsen located?
- Leanna Halvorsen's practice location on file with NPPES is 540 Middle Rincon Rd, Santa Rosa, CA 95409-3107.
- What is Leanna Halvorsen's phone number?
- The practice phone number listed in the NPPES registry for Leanna Halvorsen is (707) 981-2500.
- Is Leanna Halvorsen's NPI active?
- Yes — Leanna Halvorsen's NPI (1871348326) 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.