Nellie Johnston
NPI 1679102677 · Addiction (Substance Use Disorder) Counselor · Lemon Grove, CA
Nellie Johnston is a Addiction (Substance Use Disorder) Counselor provider in Lemon Grove, CA (NPI 1679102677).
Provider details
- NPI number
- 1679102677
- 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
6 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
- 2020-04-02
- Last updated
- 2020-04-02
- Certified
- 2020-04-02
Frequently asked questions
- What is Nellie Johnston's NPI number?
- Nellie Johnston's National Provider Identifier (NPI) is 1679102677, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nellie Johnston's specialty?
- Nellie Johnston is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Nellie Johnston located?
- Nellie Johnston's practice location on file with NPPES is 2049 Skyline Dr, Lemon Grove, CA 91945-4221.
- What is Nellie Johnston's phone number?
- The practice phone number listed in the NPPES registry for Nellie Johnston is (619) 465-7303.
- Is Nellie Johnston's NPI active?
- Yes — Nellie Johnston's NPI (1679102677) is active in the NPPES registry as of the last update on 2020-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.