Dr. Ontjes' Experience
Research training, expertise and qualifications
- Geriatric Medicine
- Endocrinology & Metabolism
- Endocrinology, Diabetes & Metabolism
- Diabetes, Metabolism & Endocrinology, 1972
- Geriatric Medicine, 1988
- Internal Medicine, 1980
Procedures Dr. Ontjes Performs
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Conditions Dr. Ontjes Treats
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Background Check for Dr. Ontjes
Awards & Recognitions
Education & Training
Languages Spoken by Dr. Ontjes & Staff