About
Dr. Linda Gerrits earned her Bachelor of Science in Biology from Creighton University in 1972. She then completed her entire medical training at the University of Michigan. She received her MD in 1976, finished her internship in 1977, and completed her residency in internal medicine in 1979. She went on to complete a fellowship in nephrology at the University of Michigan Medical Center in 1981. The American Board of Internal Medicine has certified her in both internal medicine and nephrology.
Dr. Gerrits has served on the staff of Los Robles Regional Medical Center in Thousand Oaks for more than two decades. She was the first woman elected chief of internal medicine there. She chairs the CME Committee at Westlake Medical Center and directs medical education for the American Heart Association, Las Virgenes Chapter. Her philosophy centers on the Hippocratic principle of primum non nocere. She listens carefully to each patient as her primary tool for customized preventive care, sound diagnosis, and appropriate treatment. Her memberships span the International Society of Nephrology, the National Kidney Foundation, the American College of Physicians, and several regional and state medical associations.
Education & Training
Undergraduate
Creighton University — Bachelor of Science, Biology (1972)
Medical School
University of Michigan — Doctorate of Medicine (1976)
Residency
University of Michigan — Residency in Internal Medicine (1977-1979)
Fellowship
University of Michigan Medical Center — Fellowship in Nephrology (1980-1981)
Additional Training
University of Michigan — Internship (1976-1977)
Certifications
Conditions Treated
Who is Dr. Gerrits right for?
Dr. Gerrits is a strong fit for adults seeking a highly experienced primary care physician with specialty depth in nephrology. Patients managing chronic conditions such as kidney disease, hypertension, or metabolic disorders benefit from her dual board certification. She works well with patients who value a direct relationship with their physician, as she personally sees every patient. Those looking for thorough preventive screenings and advanced diagnostic workups will find her approach well matched to their needs.
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Frequently Asked Questions
Dr. Gerrits specializes in internal medicine and preventive medicine, with additional board certification in nephrology. She manages chronic diseases, performs comprehensive health screenings, and guides patients through advanced diagnostic testing. Her dual certification makes her particularly well suited for patients with kidney-related conditions alongside primary care needs.
Yes. Dr. Gerrits holds Diplomate certification from the American Board of Internal Medicine in both internal medicine and nephrology. She earned these certifications after completing her fellowship training at the University of Michigan Medical Center.
Dr. Gerrits completed her entire medical training at the University of Michigan. She earned her MD in 1976, finished her internship in 1977, completed her residency in internal medicine in 1979, and finished her nephrology fellowship in 1981.
Yes. Dr. Gerrits personally provides all primary care visits. She does not use nurse practitioners or nurse assistants to see her patients. Every visit involves direct, one-on-one time with Dr. Gerrits herself.
Dr. Gerrits holds staff privileges at HCA Los Robles Hospital and Mercy Hospital. She has served on the staff of Los Robles Regional Medical Center for more than two decades and was the first woman elected chief of internal medicine there.
Dr. Gerrits holds memberships in the International Society of Nephrology, the National Kidney Foundation, and the American College of Physicians. She also participates in several regional and state medical associations. She currently directs medical education for the American Heart Association, Las Virgenes Chapter.
Dr. Gerrits treats a wide range of conditions, including kidney disease, hypertension, diabetes, and other chronic illnesses. She also focuses on preventive care and comprehensive wellness, using advanced diagnostic testing to identify and address health risks early.
Dr. Gerrits centers her practice on the Hippocratic principle of primum non nocere, or first, do no harm. She treats careful listening as her most important clinical tool. She uses that attentiveness to guide customized preventive care, sound diagnosis, and appropriate treatment for each patient.
Doctor profile last updated March 21, 2026