Mark Twain Medical Center
NPI 1790846301 · Rural Health Clinic/Center · Arnold, CA
Enrolled with Medicare as Part a Provider - Rural Health Clinic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Twain Medical Center is a Rural Health Clinic/Center organization in Arnold, CA (NPI 1790846301).
Provider details
- NPI number
- 1790846301
- Entity type
- Organization
- Primary specialty
- Rural Health Clinic/CenterAmbulatory Health Care Facilities
- Parent organization
- Mark Twain Medical Center
- Organization subpart
- Yes
- Authorized official
- Chris Roberts, Chief Financial Officer(209) 754-2614
- License
- 030000058 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
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
Other names (DBA / former)
- Doing business as
- Family Medical Center - Arnold
Registry dates
- Enumerated
- 2006-12-13
- Last updated
- 2016-05-12
Frequently asked questions
- What is Mark Twain Medical Center's NPI number?
- Mark Twain Medical Center's National Provider Identifier (NPI) is 1790846301, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark Twain Medical Center?
- Mark Twain Medical Center is classified in the NPPES registry as Rural Health Clinic/Center (Ambulatory Health Care Facilities).
- Where is Mark Twain Medical Center located?
- Mark Twain Medical Center's practice location on file with NPPES is 2182 Highway 4, Arnold, CA 95223-9908.
- What is Mark Twain Medical Center's phone number?
- The practice phone number listed in the NPPES registry for Mark Twain Medical Center is (209) 795-4193.
- Does Mark Twain Medical Center accept Medicare?
- Mark Twain Medical Center is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Mark Twain Medical Center?
- The authorized official listed on Mark Twain Medical Center's NPPES record is Chris Roberts, Chief Financial Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark Twain Medical Center's NPI active?
- Yes — Mark Twain Medical Center's NPI (1790846301) is active in the NPPES registry as of the last update on 2016-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.