Nicholas Johnston
NPI 1407344542 · Mental Health Counselor · Los Angeles, CA
Nicholas Johnston is a Mental Health Counselor provider in Los Angeles, CA (NPI 1407344542).
Provider details
- NPI number
- 1407344542
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- LCSW98260 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
8 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
- 2018-04-24
- Last updated
- 2023-06-08
- Certified
- 2023-06-08
Frequently asked questions
- What is Nicholas Johnston's NPI number?
- Nicholas Johnston's National Provider Identifier (NPI) is 1407344542, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Johnston's specialty?
- Nicholas Johnston is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Nicholas Johnston located?
- Nicholas Johnston's practice location on file with NPPES is 2116 Arlington Ave, Los Angeles, CA 90018-1353.
- What is Nicholas Johnston's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Johnston is (310) 264-6646.
- Is Nicholas Johnston's NPI active?
- Yes — Nicholas Johnston's NPI (1407344542) is active in the NPPES registry as of the last update on 2023-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.