Lehigh Valley Surgical Oncology

1240 S. Cedar Crest Blvd., Suite 205
Allentown, PA 18103
610-402-7884
Click here for directions

Office Hours

Mon., 8 a.m. - 4:30 p.m.
Tues., 8 a.m. - 4:30 p.m.
Wed., 8 a.m. - 4:30 p.m.
Thurs., 8 a.m. - 4:30 p.m.
Fri., 8 a.m. - 4:30 p.m.


2597 Schoenersville Road, Suite 201
Bethlehem, PA 18017
484-884-3024
Click here for directions

Office Hours

Mon., 8 a.m. - 4 p.m.
Tues., 8 a.m. - 4 p.m.
Wed., 8 a.m. - 4 p.m.
Thurs., 8 a.m. - 4 p.m.
Fri., 8 a.m. - 4 p.m.


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Lehigh Valley Surgical Oncology

Cancer surgery is a big decision.
We'll help you make the right one.

Why you'll choose us

  • We understand this is a frightening time for you, and we'll do our best to give you peace of mind.
  • Our doctors are experts in cancer (oncology) surgery, including cancers of the breast, esophagus, thyroid, liver and pancreas, melanoma and sarcoma.
  • We take the time to really listen to your questions, answer them clearly and make sure you have all the information you need.
  • We welcome friends and family members who come to your appointment, and we are glad to answer their questions, too.
  • Whether you need a first or second opinion about cancer surgery, we are here to help.



We don't just operate on the cancer. We try to remove the worry, too.

Get to know us

Aaron D. Bleznak, M.D.

Heiwon Chung, M.D.

Paul J. Mosca, M.D., Ph.D.

Gerald P. Sherwin, M.D.

Lehigh Valley Physician Group is affiliated with Lehigh Valley Health Network