A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
Our records indicate this doctor is deceased.
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- Currently 4 of 4 stars
The overall average patient rating of Dr. Calvin Olson is Excellent.
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Specialties & Research
Dr. Calvin Olson, MD is board certified in Internal Medicine and Gastroenterology.
Education & Awards
Dr. Olson graduated from University of California at San Francisco.
Dr. Olson has 4 hospital affiliations:
- Memorial Medical Center Modesto
- Emanuel Medical Center
Accepted Insurance Plans
Dr. Olson accepts these health insurances in at least one office:
- United Healthcare - 24 plans
- Blue Shield of California - 3 plans
- Great-West Healthcare - 2 plans
- Unicare - 11 plans
- Anthem Blue Cross - 9 plans
- Humana - 2 plans
- Cigna - 5 plans
- Aetna - 3 plans