William M. Johnstone IIIMD

  • FirstHealth Physician Group Clinics
Specialties:
Family Medicine and Hospice and Palliative Medicine
Patient Rating
4.9 / 5 (Based on 198 Reviews)

Accepts Medicare Insurance: Yes

Accepts Tricare Insurance: Yes

Schedule an Appointment

Call 910-684-5499

Hours of Operation

Sunday: Closed
Monday: 8:00 AM - 5:00 PM
Tuesday: 8:00 AM - 5:00 PM
Wednesday: 8:00 AM - 5:00 PM
Thursday: 8:00 AM - 5:00 PM
Friday: 8:00 AM - 12:00 PM
Saturday: Closed

William "Miller" Johnstone, III, cares for patients at FirstHealth Concierge Medicine, providing personalized, patient-centered primary care with a focus on wellness, prevention and chronic disease management. 

Dr. Johnstone is board certified in geriatric medicine and family medicine and an adjunct assistant professor of medicine at the Campbell University School of Osteopathic Medicine. In addition to practicing as a concierge medicine physician he also provides geriatric medicine consultations for FirstHealth of the Carolinas.

He has a keen interest in understanding patients’ stories to help formulate treatment plans that make sense for each individual patient, placing an emphasis on disease prevention, wellness and management of chronic disease. Dr. Johnstone treats a wide age range of patients from adolescents through older adults and enjoys the opportunity to treat families as well.

Dr. Johnstone is also certified by the Titleist Performance Institute as a Level 1 Certification. With this expertise in golf fitness, he can evaluate and optimize a golfer's performance by understanding the critical connection between body movement and swing efficiency. 

A Moore County native, Dr. Johnstone lives in Southern Pines with his wife, son, and daughter. Outside of medicine, he is actively involved in the community serving on the board of the Weymouth Center for the Arts & Humanities and offering his expertise as a speaker for numerous civic and community organizations.  

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Provider

Overview

Profile

Gender:

Male

Medical

Education & Credentials

Medical School

East Carolina University School of Medicine

Internship

University at Buffalo Obstetrics/Gynecology Reside

Residency

East Carolina University Brody School of Medicine

Fellowship

East Carolina University Brody School of Medicine

Professional Memberships

Board Certified

Reviews

What Patients Are Saying

5
April 21, 2026
Great!
5
April 17, 2026
Dr, Johnstone is THE best. We are so happy that we found him and his practice
5
April 14, 2026
There couldn't be any finer or more dedicated doctor than Dr. Johnstone! Thank you!
5
April 13, 2026
Always a great experience
5
April 13, 2026
Best doctor I've ever had!
5
March 16, 2026
Dr Johnstone and the whole concierge medicine staff are terrific. We are so pleased First Health established this group
5
March 12, 2026
Wonderful experience!
5
March 11, 2026
Great DOC. , PLACE, and Staff. Keep up the good work. !!
5
March 10, 2026
Exceptional care from a highly professional care team
5
March 10, 2026
Dr Johnstone is the most positive doctor experience I've ever had. Highly recommend him and his office!
5
March 03, 2026
This is the model of what health care should be like.
5
March 02, 2026
I appreciate the professionalism of Dr. Johnstone and staff. It eases any discomfort or anxiety. He provides clear explanations for any questions or diagnoses. He is very willing to help a patient achieve better health outcomes. I like the Concierge Group.
5
February 25, 2026
Dr. Johnstone is extremely thorough, listens patiently and intently to every concern and detail. I felt as though I was the only patient being seen for the day.
5
February 23, 2026
I always receive the utmost courtesy and assistance at Furst Health Conciege. Dr Johnstone and his staff are wonderful , caring and knowledgeable !
5
February 19, 2026
Great experience
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