Gerald Johnsen
NPI 1992539753 · Addiction (Substance Use Disorder) Counselor · San Diego, CA
Gerald Johnsen is a Addiction (Substance Use Disorder) Counselor provider in San Diego, CA (NPI 1992539753).
Provider details
- NPI number
- 1992539753
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- 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
1 yr 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
- 2024-08-26
- Last updated
- 2024-08-26
- Certified
- 2024-08-26
Frequently asked questions
- What is Gerald Johnsen's NPI number?
- Gerald Johnsen's National Provider Identifier (NPI) is 1992539753, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Johnsen's specialty?
- Gerald Johnsen is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Gerald Johnsen located?
- Gerald Johnsen's practice location on file with NPPES is 4141 Pacific Hwy, San Diego, CA 92110-2030.
- What is Gerald Johnsen's phone number?
- The practice phone number listed in the NPPES registry for Gerald Johnsen is (619) 393-2000.
- Is Gerald Johnsen's NPI active?
- Yes — Gerald Johnsen's NPI (1992539753) is active in the NPPES registry as of the last update on 2024-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.