About Dr. Dr. William C. Grinstead III, MD

Welcome to the practice of Dr. Dr. William C. Grinstead III, MD, an experienced cardiologist serving Houston, Texas. We are committed to providing compassionate, evidence-based cardiovascular care with a focus on prevention, early detection, and personalized treatment plans.

Medical Disclaimer: The information on this website is for general informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.

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★★★★★

Dr. Grinstead is treating my husband who is suffering from early dementia. He refers to his notes and asks about previous complaints and will go over his ideas slowly so that my husband can understand. Dr Grinstead is not only thorough but patient with my husband. He willingly repeats himself and is generous with his time. He talked to my husband and to me--not just to me. A thoughtful person.

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