Karen Johnson
NPI 1902104359 · Addiction (Substance Use Disorder) Counselor · Spring Valley, CA
Karen Johnson is a Addiction (Substance Use Disorder) Counselor provider in Spring Valley, CA (NPI 1902104359).
Provider details
- NPI number
- 1902104359
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
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
15 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
- 2011-03-09
- Last updated
- 2011-03-09
Frequently asked questions
- What is Karen Johnson's NPI number?
- Karen Johnson's National Provider Identifier (NPI) is 1902104359, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Johnson's specialty?
- Karen Johnson is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Karen Johnson located?
- Karen Johnson's practice location on file with NPPES is 2315 Bar Bit Rd, Spring Valley, CA 91978-1901.
- What is Karen Johnson's phone number?
- The practice phone number listed in the NPPES registry for Karen Johnson is (619) 337-3830.
- Is Karen Johnson's NPI active?
- Yes — Karen Johnson's NPI (1902104359) is active in the NPPES registry as of the last update on 2011-03-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.