Astra Medical Group in Orange, CA
This organization bills under NPI 1336368422, an organization record issued on Apr 25, 2007 with the primary taxonomy Health Maintenance Organization. Each clinician who works there has their own NPI and license.
Organization recordNPPES, Aug 2026
1336368422
- Legal name
- Astra Medical Group
- Entity
- Type 2 · organization
- Primary taxonomy
- Health Maintenance Organization 302R00000X
- Practice location
- 2617 E CHAPMAN AVE STE 205, Orange, CA 92869
- Phone
- 714-538-6822
- Enumerated
- Apr 25, 2007
- Record updated
- Aug 24, 2009
- Authorized official
- Supervisor (title as filed)
2 clinicians CMS lists with Astra Medical Group in Orange
- Graciela Imbastari, MDInternal Medicine Physician1801809983
- Janja Viltuznik, MDAdult Medicine Physician1639182702
Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.
Checking an organization
- Confirm the business with the California secretary of state.
- Check the HHS-OIG exclusion list for the organization.
- Verify each clinician on their own record and the state license search.
Common questions
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.