Marissa Fox, LCSW
NPI 1700553260 · Clinical Social Worker · La Mesa, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Fox, LCSW is a Clinical Social Worker provider in La Mesa, CA (NPI 1700553260).
Provider details
- NPI number
- 1700553260
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 118050 (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
4 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
- 2021-08-24
- Last updated
- 2024-05-16
- Certified
- 2024-05-16
Frequently asked questions
- What is Marissa Fox's NPI number?
- Marissa Fox's National Provider Identifier (NPI) is 1700553260, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Fox's specialty?
- Marissa Fox is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marissa Fox located?
- Marissa Fox's practice location on file with NPPES is 8881 Fletcher Pkwy Ste 350-360, La Mesa, CA 91942-3134.
- What is Marissa Fox's phone number?
- The practice phone number listed in the NPPES registry for Marissa Fox is (858) 279-1223.
- Does Marissa Fox accept Medicare?
- Marissa Fox is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Fox's NPI active?
- Yes — Marissa Fox's NPI (1700553260) is active in the NPPES registry as of the last update on 2024-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.