Southwestern Surgery Associates Southwestern Sugery Associates

Welcome to Southwestern Surgery Associates!

Southwestern Surgery Associates is located in Tucson, Arizona. Our surgeons have a long history of providing the best-specialized surgical care in Southern Arizona. All of our Surgeons come from 1st rate training programs, exceeding credentialing criteria, and most have over 10 years of practical surgical experience.  In addition to performing general surgery, individual surgeons sub-specialize in area of expertise such as colorectal, thyroid, lung laparoscopic surgery, and cancer. When you come to Southwestern Surgery you benefit from the deep experience and combined talents of a group that has been in continuous practice for more than  40 years.  Good luck and thanks for visiting.

Thomas V. Harmon, MD, FACS


We strive to advance the art and science of medicine, adhering to the

principles of conscientious caring for our customers, cost awareness, and

effective communication while fulfilling our responsibilities to the community we serve.

Southwestern Surgery Associates News

You can now pay online by using the "PAY ONLINE" link located at the top of this page.

Our New Patient Forms are available for printing from this website.
Click here for forms


Dr. Artz, Dr. Balserak, Dr. Favre, Dr. Harmon, and Dr. Schluender have been recognized by the highly regarded Best Doctors in America® List.

Dr. Mohammad Khreiss Joining Southwestern Surgery Associates

Southwestern Surgery Associates is proud to welcome our newest surgeon,
Dr. Mohammad Khreiss. He is relocating from Pittsburgh where he finished surgery fellowship training in Surgical Oncology and Hepatobiliary. Dr. Khreiss also comes back to Tucson where he completed his surgical residency at the University of Arizona in General Surgery. He is a wonderful addition to the surgical team at Southwestern Surgery Associates and strives to provide the best specialty care to his patients.

Mohammad Khreiss, MD
Serving Southern Arizonans at the following locations:

1951 N. Wilmot, Bldg 2
Tucson, Arizona 85712

Main Office Hours:

M-F, 8:30am-5:00pm
(520) 795-5845
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Northwest Tucson

Dr. Katie Artz, Dr. Cybil Corning
and Dr. Stefanie Schluender

7390 N. La Cholla Blvd

Tucson, AZ 85741

Satellite clinic by appointment only

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