IndividualActive
Landon Marriott
NPI 1104348200 · Social Worker · Berkeley, CA
Provider details
- NPI number
- 1104348200
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Student, Health Care
Profile Score
Established profile(68/100 index)
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
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
1255 Allston Way
Berkeley, CA 94702
Phone: (510) 845-9010
Street-level locationGet directions
Mailing address
515 3rd Ave
Seattle, WA 98104-2304
Additional practice locations (1)
- 515 3rd AveSeattle, WA 98104-2304Phone: (510) 320-7195
Registry dates
- Enumerated
- 2017-07-10
- Last updated
- 2026-02-16
- Certified
- 2026-02-16
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.