Dr. Dee McCrary, Jr., M.D.

Board Certified in Family Practice Medicine since 1978. Dr. Dee McCrary is dedicated to patient advocacy. He graduated with a Masters of Science in Physics with Honors from the University of Texas in Austin and then received his medical degree from the University of Texas Southwestern Medical School in Dallas.

A few of Dr. McCrary’s qualifications include President of the Hunt County Medical Society from 1993 to present, Board Certified for additional qualifications in Geriatric Medicine since 1992, and he has been a Licensed Federal Aviation Administration Medical Examiner since 1987. His special interests are Electronic Medical Records, teaching trainees in the medical field and clinical trials in various aspects of medicine. A resident of McKinney, Dr. McCrary is happily married with three children and his hobbies include running and golf.

Howard E. Kweller, M.D.

Greenville Healthcare Associates is pleased to welcome Howard E. Kweller MD to its staff. Dr. Kweller is a general practitioner and graduated from Mount Sinai School of Medicine in 1978. He has practiced in Hunt county for over 30 years, and is no stranger to our area. He has served area patients since 1982, and is active in his community. He enjoys spending time with his wife and family.

In addition to his general medical practice, Dr. Kweller has a particular interest in skin rejuvenation and aesthetics. He is certified to deliver BOTOX and Dermal Fillers (Juvederm) by Aesthetic Skin Institute.

Dr. Kweller accepts Medicare and most major insurance plans.

Krystal Lowry, APRN, FNP-C

Krystal Lowry is a Board Certified Family Nurse Practitioner with a Master of Science in Nursing degree from University of Texas Arlington. She started her nursing career over 12 years ago in skilled nursing as a Licensed Vocational Nurse. She has worked in post-acute care, primary care with pediatrics, and community nursing. Over 9 years of her nursing career, she has served the people in and around Hunt County.

Krystal is a member of American Academy of Nurse Practitioners. She believes in developing strong relationships to help with providing personalized care. She places importance on a healthy lifestyle, education and a patient centered approach for disease prevention. In her spare time she enjoys being active outdoors and baking.

Molly Ingargiola, APRN, FNP-C

Molly is a dedicated Family Nurse Practitioner with over six years of nursing experience, specializing in pediatrics and family medicine. She began her career after earning an Associate Degree in Nursing from Fortis Institute in 2018. Her commitment to advancing her knowledge and skills led her to complete a Bachelor of Science in Nursing in 2021 and a Master’s program in 2024.

Recently relocating to the area, Molly is excited to bring her expertise to the community and provide high-quality healthcare to families. As a mother of two small children, she understands the unique needs of families and is passionate about promoting wellness across all age groups.

Outside of her professional pursuits, Molly enjoys baking and reading, finding joy in both creative expressions and the exploration of new ideas. With her extensive background and compassionate approach, Molly is committed to making a positive impact in the lives of her patients and their families.

Sadie McCrary, APRN, AGNP‐C

Sadie is a Board Certified Nurse Practitioner specializing in the treatment of Adult and Geriatric patients. Sadie comes from a medical family and is eager to continue that legacy. Her nursing experience lies exclusively in outpatient clinical medicine and she holds a particular interest in preventative healthcare.

A graduate of Texas Woman’s University with a Masters in Nursing Practice, she also holds a Bachelor of Arts in Communications degree from Austin College in Sherman, Texas and a Bachelor of Science in Nursing from Texas A&M University‐Commerce where she graduated Cum Laude. She also is a member of Sigma Theta Tau International Honor Society of Nursing. The perpetual student, Sadie plans to return to school in the future to pursue her Doctorate Degree in Nursing Practice and perhaps obtain a Masters of Business Administration.

When she is not studying something new, Sadie enjoys watching movies (spouting movie trivia!) and running. She completed her first marathon at age 40, competing in the 49th BMW Dallas Marathon Festival and plans to complete many more before she hangs up her shoes.