Summary

Dr. Grehan graduated from the Georgetown University School of Medicine in 1988. He works in Hilton Head Island, SC and 2 other locations and specializes in Anesthesiology. Dr. Grehan is affiliated with Gottlieb Memorial Hospital.

Quick Facts

  • 4
  • 38 years of experience
  • 22 insurance plans accepted
  • speaks English
  • Georgetown University School Of Medicine
  • 1 specialty
  • 1 board certification
  • 1 hospital affiliation
  • 3 office locations
  • Male

Office Locations

Dr. William Gerard Grehan has 3 locations

Cardiovascular And Thoracic Surgery Associates

25 Hospital Center Blvd Ste 306Hilton Head Island, SC 29926
Mon7:30 am - 3:30 pm
Tue7:30 am - 3:30 pm
Wed7:30 am - 3:30 pm
Thu7:30 am - 3:30 pm
Fri7:30 am - 3:30 pm
SatClosed
SunClosed

Hilton Head Hospital

25 Hospital Center BlvdHilton Head Island, SC 29926

Uchicago Medicine Adventhealth La Grange

5101 Willow Springs RdLa Grange, IL 60525

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Dr. William Gerard Grehan, MDDr. Samuel Adekunkle Adefeyisan, MDDr. Krushikkumar Patel, DODr. Margaret Moore Faenza, MD
AnesthesiologyCritical Care MedicineAnesthesiologyAnesthesiology
4.4 
38 Years of Experience 40 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English
Hilton Head Island , SCSylva , NCReidsville , GASavannah , GA
Med School: Georgetown University School Of Medicine Med School: University Of Ibadan College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. William Gerard Grehan

  • Aetna
  • Aetna Better Health
  • Blue Choice Health Plan
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of South Carolina
  • Cigna
  • Cigna-HealthSpring
  • ESSENCE Healthcare
  • Healthlink
  • Healthlink - PPO
  • Humana
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Meridian Health Plan - Medicaid (Managed)
  • Molina Healthcare
  • Select Health of South Carolina
  • Select Health of South Carolina - Medicaid (Managed)
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - Medicare

Medical Specialties

Dr. William Gerard Grehan has the following specialty

Certifications, License, & Education

38 Years Experience

MEDICAL LICENSE

Medical Doctor, South Carolina, 2027, Active
Medical Doctor, Illinois, 2026, Active

EDUCATION & TRAINING

Medical School

Georgetown University School Of MedicineGraduated in 1988

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Frequently Asked Questions

Is Dr. William Grehan accepting new patients?
Dr. William Grehan has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. William Grehan accept my insurance?
You can see the insurance plans that Dr. William Grehan accepts on their Vitals profile.
Which hospitals is Dr. William Grehan affiliated with?
Dr. William Grehan is affiliated with Gottlieb Memorial Hospital.
Where is Dr. William Grehan's office located?
Dr. William Grehan's office is located at 25 Hospital Center Blvd Ste 306, Hilton Head Island, SC, 29926.
Does Dr. William Grehan accept virtual/telehealth appointments?
Dr. William Grehan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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