OrganizationActive
San Joaquin County
NPI 1558619270 · Health Maintenance Organization · Stockton, CA
San Joaquin County is a Health Maintenance Organization organization in Stockton, CA (NPI 1558619270).
Provider details
- NPI number
- 1558619270
- Entity type
- Organization
- Primary specialty
- Health Maintenance OrganizationManaged Care Organizations
- Organization subpart
- No
- Authorized official
- Michelle Warthan, Msw Intern(209) 406-1757
Specialties & taxonomies
Managed Care Organizations
Profile Score
Detailed profile(79/100 index)
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
1414 N California St
Stockton, CA 95202-1515
Phone: (209) 468-2385
Fax: (209) 468-8024
Street-level locationGet directions
Mailing address
1414 N California St
Stockton, CA 95202-1515
Registry dates
- Enumerated
- 2012-08-28
- Last updated
- 2012-08-28
Frequently asked questions
- What is San Joaquin County's NPI number?
- San Joaquin County's National Provider Identifier (NPI) is 1558619270, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is San Joaquin County?
- San Joaquin County is classified in the NPPES registry as Health Maintenance Organization (Managed Care Organizations).
- Where is San Joaquin County located?
- San Joaquin County's practice location on file with NPPES is 1414 N California St, Stockton, CA 95202-1515.
- What is San Joaquin County's phone number?
- The practice phone number listed in the NPPES registry for San Joaquin County is (209) 468-2385.
- Who is the authorized official for San Joaquin County?
- The authorized official listed on San Joaquin County's NPPES record is Michelle Warthan, Msw Intern. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is San Joaquin County's NPI active?
- Yes — San Joaquin County's NPI (1558619270) is active in the NPPES registry as of the last update on 2012-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.