Mark Fairfield, LCSW
NPI 1861924045 · Clinical Social Worker · Los Angeles, CA
Mark Fairfield, LCSW is a Clinical Social Worker provider in Los Angeles, CA (NPI 1861924045).
Provider details
- NPI number
- 1861924045
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- LCS19969 (CA)
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
9 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
- 2017-03-28
- Last updated
- 2017-03-28
Frequently asked questions
- What is Mark Fairfield's NPI number?
- Mark Fairfield's National Provider Identifier (NPI) is 1861924045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Fairfield's specialty?
- Mark Fairfield is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Fairfield located?
- Mark Fairfield's practice location on file with NPPES is 2717 S Robertson Blvd, Los Angeles, CA 90034-2442.
- What is Mark Fairfield's phone number?
- The practice phone number listed in the NPPES registry for Mark Fairfield is (310) 339-0609.
- Is Mark Fairfield's NPI active?
- Yes — Mark Fairfield's NPI (1861924045) is active in the NPPES registry as of the last update on 2017-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.