About
Dr. William Petty II credits his passion for primary care to his upbringing. His mother worked as a nurse in a small town, and the personal, attentive medicine he witnessed there shaped his approach. He earned his Bachelor of Arts in Chemistry from Wake Forest University in 1992, graduating Magna Cum Laude and as a Phi Beta Kappa honoree. He then earned his Doctorate of Medicine from the Medical University of South Carolina in 1996. Dr. Petty completed both his internship and Internal Medicine residency at Greenville Hospital System in Greenville, SC, finishing in 1999.
He holds certification from the American Board of Internal Medicine and Advanced Cardiac Life Support credentials. Dr. Petty has practiced internal medicine on Hilton Head Island for 17 years, building deep roots in the local medical community. He focuses on cardiovascular health, diabetes, hypertension, and preventive medicine. He holds an affiliation with Hilton Head Regional Medical Center and maintains relationships with many area specialists. His practice philosophy centers on cultivating a close doctor-patient relationship, delivering relaxed, individualized attention, and helping patients pursue a healthier, more active life. He offers house calls by boat when patients need it.
Education & Training
Undergraduate
Wake Forest University, Bachelor of Arts, Chemistry 1992, Magna Cum Laude, Phi Beta Kappa
Medical School
Medical University of South Carolina, Doctorate of Medicine 1996
Residency
Internal Medicine, Greenville Hospital System, Greenville, SC 1997-1999
Additional Training
Internship, Greenville Hospital System, Greenville, SC 1996-1997
Certifications
Conditions Treated
Who is Dr. Petty right for?
Dr. Petty is a strong fit for adults seeking a long-term relationship with an experienced internist. Patients managing cardiovascular disease, diabetes, or hypertension benefit directly from his clinical focus. He serves residents across Hilton Head, Bluffton, and Okatie who want same-day access and around-the-clock availability. His house call option by boat suits patients across the island's waterways. Those who want a physician to coordinate their full spectrum of care, from annual wellness screenings to specialist referrals, will find his approach a natural fit.
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Frequently Asked Questions
Dr. Petty focuses on cardiovascular disease, diabetes, and hypertension, alongside broad internal medicine and preventive care. He treats chronic conditions and also works proactively to help patients avoid future health complications. His MDVIP Wellness Program includes comprehensive screenings tailored to each patient's risk profile.
Yes. Dr. Petty holds certification from the American Board of Internal Medicine. He also maintains Advanced Cardiac Life Support credentials. He completed his Internal Medicine residency at Greenville Hospital System in Greenville, SC.
Dr. Petty earned his medical degree from the Medical University of South Carolina in 1996. He completed his internship and Internal Medicine residency at Greenville Hospital System, finishing in 1999. Before medical school, he studied Chemistry at Wake Forest University, graduating Magna Cum Laude.
Yes. Dr. Petty makes house calls by boat when patients need on-site care. This service reflects his commitment to accessible, patient-centered medicine across Hilton Head Island and surrounding waterway communities.
Yes. Dr. Petty is reachable by phone after hours and on weekends. Members can contact him directly for urgent concerns, and he returns calls promptly. This around-the-clock availability is a core benefit of his MDVIP-affiliated practice.
Dr. Petty has practiced internal medicine in the Hilton Head community for 17 years. He has served patients through Heritage Medical Partners and maintains an affiliation with Hilton Head Regional Medical Center. He has developed strong relationships with many local specialists over that time.
Dr. Petty prioritizes building a close, long-term doctor-patient relationship. He takes time with each patient to understand their individual health needs and anticipates problems before they escalate. His goal is to help patients live healthier, more active lives through both responsive treatment and proactive prevention.
Yes. Dr. Petty maintains relationships with many specialists in the Hilton Head area. He also works within the MDVIP network, which connects patients to specialists at leading Medical Centers of Excellence for care that exceeds what is available locally. Members describe him as their healthcare quarterback.
Doctor profile last updated April 4, 2026