Dr. Mark P. Gannon, MD


(1 review)
Accepting new patients 17 years of experience


Dr. Gannon has a special clinical interest in breast cancer and breast disease. He provides surgical treatment for breast cancer, benign breast disease, breast lumps or masses, and nipple discharge. He is skilled at performing partial mastectomy, lumpectomy, mastectomy, axillary dissection, sentinel lymph node biopsy, and skin sparing and nipple sparing mastectomies. He speaks English.

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Ductal Carcinoma in Situ
Appendectomy, Laparoscopic
Axillary Lymph Node Dissection
Ductal Carcinoma in Situ
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Appendectomy, Laparoscopic
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Treatment Frequency

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Axillary Lymph Node Dissection
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Treatment Frequency

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Patient Ratings (12)
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Patient Reviews (1)
Dec 13, 2017

Saved my life as that could be 10 stars. Having a cancer diagnosis is scary,unsettling and overwhelming. Fortunate to be guided to Dr. Mark Gannon for consultation and surgery. He is skilled,professional, takes his time to speak with you,and...

Patricia R.

About Dr. Mark P. Gannon, MD


  • Surgery

Years of Experience

17 years of experience

Languages Spoken

  • English



NPI Number


Education & Certifications

Medical Education



  • Geisinger Med Center
  • Geisinger Med Center

Board Certifications

  • General Surgery


Primary Location Pin Icon

Primary Location

Jefferson Hospital

565 Coal Valley Rd,

Clairton, PA 15025


1200 Brooks Ln Ste 170,

Clairton, PA 15025

Allegheny Health Network Surgery Ctr - Bethel Park

1000 Higbee Dr,

Bethel Park, PA 15102


Admitting Hospitals

  • Jefferson Hospital

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