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Dr. Zachary Castle

About Dr. Castle

Dr. Zachary Castle is a board-certified family medicine physician. He sees patients 5 years and older in Plano, TX at West Plano Medical Village. He brings more than 8 years of experience as a family physician and is passionate about preventive medicine.

Dr. Castle strives to build a comfortable and trusting relationship with his patients. He wants to help patients prevent diseases before they develop, including through vaccination.

Dr. Castle takes a holistic approach to medicine, incorporating care for the mind, body and spirit. He encourages his patient to take care of their whole health – mental and physical – which includes taking time to destress, getting proper sleep, exercising regularly, and eating nutritious foods.

How Dr. Castle practices whole-person wellness

Dr. Castle lives in Plano with his wife and daughter. They’re excited to welcome another child in October! He enjoys cooking healthy meals at home and enjoys hiking, swimming or riding bicycles as part of an active lifestyle. He also enjoys golf and traveling with his family.


Doctor of Osteopathy, Midwestern University Arizona College of Osteopathic Medicine
Undergraduate Studies, Texas Tech University


Chief Resident (2016-2017), Mountain Vista Medical Center Family Medicine Residency Program
Magna Cum Laude, Texas Tech University


Dr. Castle sees patients at West Plano Medical Village. To schedule an appointment, please text (469) 382-4891 or click below.

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"I have been a patient with Dr. Castle for over a year. He is thorough, takes time to educate, follows up appropriately, and makes time to listen to my concerns. He includes my input regarding decisions concerning my plan of care."



"most wonderful doctor, caring, takes time to talk to you as patient and person explains everything, helps as much as he can."



"The more I see Dr.Castle the more I'm confident in his abilities to care for me. He listens to my concerns and my babbling he doesn't interrupt with makes me feel he really does care about me as a patient. I would highly recommend his care. There's not a lot of Doctors out there who practice what they preach but, Dr Castle is one."



"Dr. Castle is wonderful. He listens and explains."



"He was our doctor in West Texas. Terrific to each of us. Just wished Plano was closer to where we moved. Plano gained a jewel"