Doctor and Patient

Family Practice

One Hour Initial Diabetic Assessment | CDC-Certified Diabetes Care | Insurance Accepted

Caring Family Practice

You can count on the providers at US Diabetes Care for your family medical needs. We provide primary medical care, wellness checkups, maintenance visit, urgent care visit and other medical appointments to patients of all age groups, including children and newborns. We accept most insurance. Call us today!

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Daniel Castro

Medical Director

Internal Medicine / Lifestyle Medicine


Born in New York and raised in California and Chile has given Dr. Castro the ability to adapt to multiple cultures. Completing his undergraduate study at California State University, Northridge with a double bachelor's degree in Biology and Chemistry. His medical education was at Loma Linda University, continuing his residency program specializing in Internal Medicine. Once this program was completed, he became Chief Resident and then joined the Internal Medicine and Family Medicine faculty. This is where he developed his passion for teaching and working with students and residents. 


Dr. Castro held multiple leadership roles over the years, both in his Church as well as his professional career. For many years, he served as co-host of a Spanish radio show on health-related topics in Southern California. He and his wife are very involved locally with Church and teaching health seminars and cooking classes for the community. Highlights of his professional roles include Chief of General Internal Medicine at Loma Linda Veterans Administration Medical Center, working as overseer for the physicians in the clinics and hospital settings. Most recently, the Lead Medical Officer for the Morristown Veterans Administration Clinic and is now transitioning as Medical Director for US Diabetes Care.


Over the last several years, Dr. Castro has developed a growing interest in diet, lifestyle, and health outcomes. He completed Board Certifications in Lifestyle Medicine in 2019 to complement his Board Certifications in Internal Medicine and Geriatric Medicine. He wishes to integrate his Internal Medicine skills with Lifestyle Medicine with those patents that desire to work towards better health by making wise lifestyle choices. 


Dr. Castro, his wife, and their children enjoy spending time outdoors in the garden, on his farm, hiking, traveling, and camping.


Wendy Houseright



Wendy Houseright is an ANCC board certified Family Nurse Practitioner. She completed her Associate’s degree in nursing at Midlands Technical College in Columbia, SC, and her Bachelor’s degree in nursing from King College in Bristol, TN. Wendy completed her Master’s degree in nursing from Carson-Newman University in Jefferson City, TN.

Wendy joins the team at U.S. Primary Care & U.S. Diabetes Care with over 28 years experience in the medical field. Wendy spent much of her career in nursing primarily in Intensive Care and Emergency Department nursing. After earning her Master’s Wendy has spent her time providing care as a nurse practitioner to patients for primary care and also urgent care.

Wendy brings a hometown quality to the practice living and working in the area most of her life. Wendy has many ties to the medical community locally. As a Family Nurse Practitioner, she provides care to patients of all ages. This allows patients and their families to have the opportunity to see the same provider throughout their entire life span.

She is married to her husband, Danny, and has 3 sons. She enjoys spending time with her family and their rescue dog, Copper.

Wendy looks forward to meeting you, building a strong relationship and providing you quality health care!


2231 Sand Stone Dr

Morristown, TN 37814


MON - THURS: 8 AM - 6:30 PM



P: (423) 616-0635