Marissa Ryan
NPI 1881890382 · Community Health Worker · San Luis Obispo, CA
Marissa Ryan is a Community Health Worker provider in San Luis Obispo, CA (NPI 1881890382).
Provider details
- NPI number
- 1881890382
- Entity type
- Individual
- Primary specialty
- Community Health WorkerOther Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
- Mental Health Counselor101YM0800X
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
19 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
- 2007-06-22
- Last updated
- 2018-05-15
Frequently asked questions
- What is Marissa Ryan's NPI number?
- Marissa Ryan's National Provider Identifier (NPI) is 1881890382, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Ryan's specialty?
- Marissa Ryan is listed in the NPPES registry with a primary specialty of Community Health Worker (Other Service Providers).
- Where is Marissa Ryan located?
- Marissa Ryan's practice location on file with NPPES is 3765 S Higuera St Ste 100, San Luis Obispo, CA 93401.
- What is Marissa Ryan's phone number?
- The practice phone number listed in the NPPES registry for Marissa Ryan is (805) 781-3535.
- Is Marissa Ryan's NPI active?
- Yes — Marissa Ryan's NPI (1881890382) is active in the NPPES registry as of the last update on 2018-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.