303 West Alexander Avenue, Suite E | Greenwood, SC 29646

Phone: (864) 725-7900 , Fax: (864) 725-7910

Office Hours: Monday - Thursday, 8:30 a.m. - 1:00 p.m., 2:00 p.m. - 5:00 p.m.


Advanced Cardiothoracic Surgery opened in 2001 with a commitment to provide advanced care closer to the Lakelands region. Our team of board-certified professionals is bringing advanced technologies and state-of-the art equipment to Self Regional Healthcare, allowing patients to receive the very best care while remaining close to their home and family. Self-Referrals are accepted.

Our Physicians:

Claudio Guareschi, M.D.
Greg Mappin, M.D.
Michael Zhadkevich, M.D.

Additional Clinicians

  • Egbert, Aaron, PA-C
  • Penny Streby, PA-C

About Our Practice

Our providers work together with the area's largest network of physicians to provide a comprehensive, individualized, medical treatment plan for each patient. Advanced Cardiothoracic Surgery specializes in the following procedures:

  • Minimally invasive heart and valve surgery
  • Atrial fibrillation surgery
  • Aortic aneurysm repair including open, endovascular and hybrid interventions
  • Lung Surgery, including video assisted Thoracoscopy (VATS) and minimally invasive lung resections
  • Esophageal Surgery
  • Surgery of the trachea and bronchi to treat tumors, tracheal stenosis, bronchoplastic procedures and combined resections

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