Summary

Dr. John Williams is a thoracic surgeon with five decades of experience treating complex heart and chest conditions. He earned his medical degree from Duke University School of Medicine and has built an extensive career specializing in thoracic surgery and general surgery. Dr. Williams speaks both Spanish and English, allowing him to serve a diverse patient population.

Dr. Williams practices at ECU Health Roanoke Chowan Hospital and maintains multiple locations throughout Greenville, North Carolina. His expertise includes treating serious conditions such as aortic arch aneurysms and ascending aortic aneurysms. He also performs diagnostic procedures like colonoscopies and lower gastrointestinal endoscopies to help identify and address health concerns. Patients have given Dr. Williams an average rating of 4.6 stars, reflecting their confidence in his care.

AI-generated from data on this provider profile.

Quick Facts

  • 4.6
  • 50 years of experience
  • 7 insurance plans accepted
  • speaks Spanish, English
  • Duke University School Of Medicine
  • 7 written reviews
  • 2 specialties
  • 2 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 5 office locations
  • Male

Patients’ Perspective

  • Flexible scheduling

Office Locations

Dr. John Mark Williams has 5 locations

East Carolina Heart Institute At East Carolina University

115 Heart DrGreenville, NC 27834
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

East Carolina Heart Institute at East Carolina University

1000 E 10th StGreenville, NC 27858

ECU Health Medical Center

2100 Stantonsburg RdGreenville, NC 27834

ECU Health Medical Center

845 Johns Hopkins Dr Ste AGreenville, NC 27834

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Dr. John Mark Williams, MD
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Dr. John Mark Williams, MDDr. Lahiru Ranasinghe, MDDr. Harold Dietsch O'Camb Jr, MDDr. Louis-Mathieu Stevens, MD
Thoracic SurgerySurgerySurgerySurgery
4.6 
3.7 
50 Years of Experience 7 Years of Experience 71 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, English
Greenville , NCGreenville , NCWilliamston , NCGreenville , NC
Med School: Duke University School Of Medicine Med School: Tulane University School Of Medicine Med School: University of Colorado
Current Profile
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Insurance Plans Accepted by Dr. John Mark Williams

  • Aetna
  • AmeriHealth - Medicaid (Managed)
  • Blue Cross Blue Shield
  • Cigna
  • Medicare - Medicare
  • STLDentalPlan| LLC
  • UnitedHealthcare

Medical Specialties

Dr. John Mark Williams has the following 2 specialties

Specialty Expertise

Dr. John Mark Williams has the following 2 areas of expertise

  • Arthritis
  • Surgery

Certifications, License, & Education

50 Years Experience

MEDICAL LICENSE

Medical Doctor, North Carolina, 2026, Active

EDUCATION & TRAINING

Medical School

Duke University School Of MedicineGraduated in 1976

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Frequently Asked Questions

Which hospitals is Dr. John Williams affiliated with?
Dr. John Williams is affiliated with Ecu Health Roanoke Chowan Hospital.
Does Dr. John Williams accept my insurance?
You can see the insurance plans that Dr. John Williams accepts on their Vitals profile.
Does Dr. John Williams accept virtual/telehealth appointments?
Dr. John Williams has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. John Williams?
You can find contact information for Dr. John Williams here on Vitals.
Is Dr. John Williams accepting new patients?
Dr. John Williams has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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