Meet Our Primary Care Team
Hamblen Primary Care provides complete medical care for pediatric to adult patients. Our office is led by board-certified internal medicine physician Dennis Rainwater, MD. With more than 35 years of medical experience, Dr. Rainwater is skilled in the prevention, diagnosis, and treatment of chronic and acute illnesses. They are supported by nurse practitioners who work closely with our doctors to provide excellent primary care for all of our patients. Thank you for learning more about our team.

Dennis Rainwater, MD
Board Certified in Internal Medicine
“I’ve provided compassionate, personalized care for three decades. I enjoy the healthcare partnership that I share with my patients and I’m grateful for the privilege to practice medicine. I look forward to serving the people of Morristown and the surrounding area.”
Clinical Interests:
- Chronic Disease Management
- COPD
- Diabetes
- Heart Disease
- Hypertension
- Preventative Medicine
- Thyroid Disease
- Wound Care
Medical School:
East Tennessee State University
Quillen College of Medicine
Johnson City, TN
Residency:
Internal Medicine,
East Tennessee State University
Quillen College of Medicine
Johnson City, TN

Tammy Ashburn, NP
Clinical Interests:
- Minor Emergencies
- Pediatric, Adolescent and Adult Primary Care
Education:
Master of Science in Nursing
Carson-Newman University
Jefferson City, TN
Associate Degree
Walters State Community College
Morristown, TN

Elizabeth Howard, FNP
Clinical Interests:
- Acute care
- Women’s health
- Pediatrics
Education:
Master of Science in Nursing,
Middle Tennessee State University
Bachelor of Science in Nursing,
East Tennessee State University