Marissa Fitzgibbon
NPI 1255526356 · Clinical Social Worker · San Quentin, CA
Marissa Fitzgibbon is a Clinical Social Worker provider in San Quentin, CA (NPI 1255526356).
Provider details
- NPI number
- 1255526356
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Social Worker104100000X
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
18 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
- 2007-09-11
- Last updated
- 2022-04-21
- Certified
- 2022-04-21
Frequently asked questions
- What is Marissa Fitzgibbon's NPI number?
- Marissa Fitzgibbon's National Provider Identifier (NPI) is 1255526356, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Fitzgibbon's specialty?
- Marissa Fitzgibbon is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marissa Fitzgibbon located?
- Marissa Fitzgibbon's practice location on file with NPPES is 1 Main St, San Quentin, CA 94964-1000.
- What is Marissa Fitzgibbon's phone number?
- The practice phone number listed in the NPPES registry for Marissa Fitzgibbon is (415) 454-1460.
- Is Marissa Fitzgibbon's NPI active?
- Yes — Marissa Fitzgibbon's NPI (1255526356) is active in the NPPES registry as of the last update on 2022-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.