Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Robert J. Wielenga, MD, a Professional Corporation

Organization Family Medicine Physician · NPI 1043363807

Robert J. Wielenga, MD, a Professional Corporation is a Family Medicine Physician in Downey, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007

Practice location Address checks out

10835 New St
Downey, CA 90241-3714
Phone: (562) 923-9100
Fax: (562) 923-9103
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence G81044 (CA)

Record details

NPI number1043363807
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Robert Wielenga — Ceo · (562) 923-9100
NPI enumeratedJanuary 18, 2007
Last updated in NPPESFebruary 26, 2020
Certification dateFebruary 26, 2020
Mailing address10835 New St, Downey, CA 90241-3714

Other providers in Downey