For generations our staff at SJHS-SC has been providing the highest quality of medical care to residents throughout Sonoma County and the entire North Coast. Both Santa Rosa Memorial and Petaluma Valley Hospital offer comprehensive care with the highest caliber of physicians – having even been ranking in the top 10% of Northern California hospitals by PacifiCare.
At St. Joseph Health Sonoma County, we are proud to serve the healthcare and medical needs of people throughout Sonoma County, California.
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400 North McDowell Blvd.
Petaluma, CA 94954
1165 Montgomery Drive
Santa Rosa, CA 95405
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Dr. Schaefer is a board certified Internal Medicine physician, specializing in caring for adults of all ages.
Dr. Schaefer earned his medical degree from the University of Chicago Pritzker School of Medicine. After moving to Northern California and completing a medical internship at San Francisco General Hospital, Dr. Schaefer served in the U.S. Air Force from 1970 to 1972. After completing his service, Dr. Schaefer entered into an Internal Medicine residency at Children's Hospital of San Francisco.
In 1975, Dr. Schaefer joined the Emergency Department at Sonoma County Community Hospital before entering into private practice. He has practiced internal medicine in the region for more than 30 years.
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