Rosaasen Family Medicine, Inc.
NPI 1841636198 · Primary Care Clinic/Center · Thousand Oaks, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rosaasen Family Medicine, Inc. is a Primary Care Clinic/Center organization in Thousand Oaks, CA (NPI 1841636198).
Provider details
- NPI number
- 1841636198
- Entity type
- Organization
- Primary specialty
- Primary Care Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Jonathan Rosaasen, President(805) 492-1015
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
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
- Rosaasen Family Medicine, Inc.
Additional practice locations (1)
- 430 E Avenida De Los ArbolesSuite 204Thousand Oaks, CA 91360-3003Phone: (805) 492-1015Fax: (805) 492-2035
Registry dates
- Enumerated
- 2013-05-14
- Last updated
- 2020-10-13
- Certified
- 2020-10-13
Frequently asked questions
- What is Rosaasen Family Medicine, Inc.'s NPI number?
- Rosaasen Family Medicine, Inc.'s National Provider Identifier (NPI) is 1841636198, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Rosaasen Family Medicine, Inc.?
- Rosaasen Family Medicine, Inc. is classified in the NPPES registry as Primary Care Clinic/Center (Ambulatory Health Care Facilities).
- Where is Rosaasen Family Medicine, Inc. located?
- Rosaasen Family Medicine, Inc.'s practice location on file with NPPES is 187 E Wilbur Rd # 100, Thousand Oaks, CA 91360-5572.
- What is Rosaasen Family Medicine, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Rosaasen Family Medicine, Inc. is (805) 492-1015.
- Does Rosaasen Family Medicine, Inc. accept Medicare?
- Rosaasen Family Medicine, Inc. 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 Rosaasen Family Medicine, Inc.?
- The authorized official listed on Rosaasen Family Medicine, Inc.'s NPPES record is Jonathan Rosaasen, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Rosaasen Family Medicine, Inc.'s NPI active?
- Yes — Rosaasen Family Medicine, Inc.'s NPI (1841636198) is active in the NPPES registry as of the last update on 2020-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.