Arta Western California, Inc.
NPI 1770799629 · Health Maintenance Organization · Irvine, CA
Arta Western California, Inc. is a Health Maintenance Organization organization in Irvine, CA (NPI 1770799629).
Provider details
- NPI number
- 1770799629
- Entity type
- Organization
- Primary specialty
- Health Maintenance OrganizationManaged Care Organizations
- Organization subpart
- No
- Authorized official
- John Liethen, Secretary(952) 205-6262
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
19 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
- 2007-05-15
- Last updated
- 2019-08-19
Frequently asked questions
- What is Arta Western California, Inc.'s NPI number?
- Arta Western California, Inc.'s National Provider Identifier (NPI) is 1770799629, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Arta Western California, Inc.?
- Arta Western California, Inc. is classified in the NPPES registry as Health Maintenance Organization (Managed Care Organizations).
- Where is Arta Western California, Inc. located?
- Arta Western California, Inc.'s practice location on file with NPPES is 3333 Michelson Dr, Irvine, CA 92612-0625.
- What is Arta Western California, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Arta Western California, Inc. is (949) 260-6500.
- Who is the authorized official for Arta Western California, Inc.?
- The authorized official listed on Arta Western California, Inc.'s NPPES record is John Liethen, Secretary. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Arta Western California, Inc.'s NPI active?
- Yes — Arta Western California, Inc.'s NPI (1770799629) is active in the NPPES registry as of the last update on 2019-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.