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Wielenga Medical Group

Robert J. Wielenga, M.D.

Geriatric Physician & Family Practice Physician located in Downey, CA

COVID-19 Update:

Due to COVID-19 we are offering Telehealth (phone/video) appointments. 

If you have an existing appointment, please call us first, to confirm how your visit will best be done for your safety.

If you are experiencing a cough, fever, sore throat , have traveled out of the country or been exposed to someone with these symptoms please call before coming in the office so we can schedule you in

Dr. Robert J. Wielenga is a board-certified physician who specializes in family medicine and geriatrics. At Wielenga Medical Group, Dr. Wielenga and his staff offer effective treatment options for many health conditions, including:

  • Diabetes
  • Senior Care
  • High Blood Pressure
  • Preventative Care
  • Lower Back Pain
  • High Cholesterol
  • Alzheimer's
  • COPD
  • Thyroid Disorders

Although Dr. Wielenga treats patients of all ages, his primary area of practice revolves around his geriatric patients and their individualized needs. His 20 years of experience provide him useful insights into several geriatric issues.

After graduating from the University of Southern California School of Medicine with his medical degree, he began working at the USC-PIH Family Practice Residency Program. He completed both his internship and residency at the facility where he also served as the Chief Resident until 1996. In 1997, he moved to the Downey community where he signed on with Gallatin Medical Group. He decided to open his practice in 2001. Dr. Wielenga lives with his wife and children in Yorba Linda, California, where he's an active member of the community.

We Love Our Seniors


Wielenga Medical is Multilingual! Se Habla Español!

Wielenga Medical is Multilingual! Se Habla Español!

Our Office

Most Major Insurances Accepted

Wielenga Medical accepts most major insurances. Dr. Wielenga and his staff make every effort to provide you with the finest care and the most convenient financial options. Please contact our office if you do not see your insurance provider listed and bring your insurance information with you to your appointment.

Alignment Health Plan
Anthem Blue Cross
Easy Choice Health Plan (California)
Health Net
L.A. Care Health Plan
Molina Healthcare
SCAN Health Plan
United Healthcare

Words from our patients

  • Yelp

    "We have been going to Dr. Wielenga's office for 5 years and we are so grateful to have such a knowledgeable and caring physician on our community."

    Ethan R.
  • Yelp

    "I would definitely recommend this office for your medical care. Everyone goes above beyond to help you. Thank you Dr. Wielenga and staff for be so amazing."

    Rose S.
  • Yelp

    "I am very happy to have found a doctor that really listens to my symptoms. He calls me with results and always goes the extra mile."

    Rene D.
  • Yelp

    "I am a new patient to Dr. Wielenga's office I have to say the care from the staff and Dr. Wielenga was great. They answered all my questions and concerns."

    Ron M.
  • Healthgrades

    "My family has been going to Dr. Wielenga for many years. He is an outstanding doctor and very kind to his patients. Highly recommend him to all."

    Verified Patient
  • Vitals

    "Have been going to him for years, we moved and tried other doctors, they did not work out, we now drive 70 miles to see Dr. Wielenga, great doctor."

    Verified Patient
  • Healthgrades

    "We have went to Dr. Wielenga for years and he is a great Doctor and we feel very comfortable talking about anything. He has always taken good care of our family."

    Verified Patient
  • Healthgrades

    "He's a caring doctor who takes time to here your needs and is very thorough to make sure you are getting the best care for your needs!!!"

    Wendy C.