Robert J. Wielenga, MD, A Professional Corporation
About this NPIWhat this record shows.
NPI 1043363807 is registered to Robert J. Wielenga, MD, A Professional Corporation, a healthcare organisation classified as "Family Medicine" and located at 10835 New St in Downey, California. The organisation's authorised official is Robert Wielenga. The organisation has been enumerated in the NPI registry since 2007.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Part B Supplier
- O20100917000488Clinic/Group PracticeCA
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Robert J. Wielenga, MD, A Professional Corporation accepts. To confirm in-network status with your specific health plan, contact Robert J. Wielenga, MD, A Professional Corporation directly at (562) 923-9100.
Frequently asked
Yes. NPI 1043363807 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Family Medicine physicians provide comprehensive primary care for patients of all ages, including preventive care, chronic disease management, and acute illness treatment.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (562) 923-9100.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Robert J. Wielenga, MD, A Professional Corporation is a Type-2 organisational NPI.