About John F. Grehan, MD, PhD
John F. Grehan, MD, PhD is a thoracic surgeon (cardiothoracic vascular surgeon). Dr. John F. Grehan has 18+ years of experience in thoracic / cardiothoracic vascular surgery.
Practice Locations
Dr. John F. Grehan may be affiliated with:
- Sanford Cardiovascular Institute in Sioux Falls, SD 57105
- Sanford Heart Hospital in Sioux Falls, SD 57105
- Sanford Clinic Cardiac,Thoracic & Vascular Surgery in Sioux Falls, SD 57105
- St. Paul Cardiovascular Surgical Services in Saint Paul, MN 55102
- Sanford Dermatology Clinic in Sioux Falls, SD 57105
Education
John F. Grehan, MD, PhD earned degrees of a Doctor of Medicine and Doctor of Philosophy.
Licenses
John F. Grehan, MD, PhD has been registered with the National Provider Identifier database since August 01, 2006, and his NPI number is 1275549784. Dr. Grehan certified his NPI information on 04/09/2022.
Book an Appointment
To schedule an appointment with Dr. John F. Grehan, please call (605) 312-2100.