Riverside County Dept Mental Health
NPI 1386980555 · Health Maintenance Organization · Riverside, CA
Riverside County Dept Mental Health is a Health Maintenance Organization organization in Riverside, CA (NPI 1386980555).
Provider details
- NPI number
- 1386980555
- Entity type
- Organization
- Primary specialty
- Health Maintenance OrganizationManaged Care Organizations
- Organization subpart
- No
- Authorized official
- Nathaniel Tollefson, Supervisor(951) 778-3504
- License
- HO502091228 (CA)
Specialties & taxonomies
Managed Care Organizations
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
- 2012-12-17
- Last updated
- 2012-12-17
Frequently asked questions
- What is Riverside County Dept Mental Health's NPI number?
- Riverside County Dept Mental Health's National Provider Identifier (NPI) is 1386980555, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Riverside County Dept Mental Health?
- Riverside County Dept Mental Health is classified in the NPPES registry as Health Maintenance Organization (Managed Care Organizations).
- Where is Riverside County Dept Mental Health located?
- Riverside County Dept Mental Health's practice location on file with NPPES is 1777 Atlanta Ave Ste G1, Riverside, CA 92507-7417.
- What is Riverside County Dept Mental Health's phone number?
- The practice phone number listed in the NPPES registry for Riverside County Dept Mental Health is (951) 778-3504.
- Who is the authorized official for Riverside County Dept Mental Health?
- The authorized official listed on Riverside County Dept Mental Health's NPPES record is Nathaniel Tollefson, Supervisor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Riverside County Dept Mental Health's NPI active?
- Yes — Riverside County Dept Mental Health's NPI (1386980555) is active in the NPPES registry as of the last update on 2012-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.