Mason Clinic - General Surgery

Surgery is something that no one should take lightly. To help you through this uncertain time, however, you can rest assured that at Mason Clinic - General Surgery, you will receive care beyond expectation.

  • Mon - Fri: 7:30 a.m. - 5 p.m.

About General Surgery

Patients at Mason Clinic - General Surgery are treated like family in the comfort and convenience of Mason Clinic. Being close to home is important to patients, and a warm, caring environment where the staff is considerate of your questions and concerns about your procedure is vital to your preparation and recovery. The staff at Mason Clinic - General Surgery are true medical professionals, giving you total peace of mind and reassurance regarding your surgical procedure. Board-certified surgeons and quality care are not the only reasons to visit Mason Clinic - Surgery Clinic, because here, you truly are treated like family.

Arriving on time for your scheduled appointment is important in addressing your health care needs. Please notify Mason Health as soon as you know you will need to change or cancel your appointment. You are required to cancel your appointment at least one business day prior to your scheduled appointment because of high patient demands. Your ability to schedule future appointments will change because of missed appointments or cancellations.

If you have questions about our No-Show and Cancellation policy, please call the clinic or download a copy of the No-Show and Cancellation Policy as indicated below.

If you have questions about our No-Show and Cancellation policy, please call the clinic or download a copy of the No-Show and Cancellation Policy as indicated below.

Mason Health COVID Clinic Closure and Testing Updates

As of Monday, July 12, Mason Health COVID Clinic, Testing, and Triage Call Line will be closed.

COVID testing will be located at the MGH Anticoagulation/Vaccine Clinic for pre-surgical patients only.

COVID pre-surgery testing will be available on Mondays/Wednesdays/Fridays 1 p.m. – 4 p.m. By appointments only.

COVID Testing Map July 2021 Updates

A Caring Team

The staff at Mason Clinic -- General Surgery are friendly, compassionate, and most of all, caring. They will help you get back on your feet while keeping you close to home, family, and friends.

Some of the surgeries performed in the comfort of Mason General Hospital's Surgery Department include gastrointestinal tract, colon, hernia, thyroid, breast disease and cancer surgeries, and laparoscopic procedures.

Clinic Providers

John E. Clayton, D.O.
General Surgery

John E. Clayton, D.O., board-certified in general surgery, specializes in men’s and women’s breast health, hernia, gallbladder, and other types of general surgery.

Andrew J Pelczar, M.D.
General Surgery

Andrew Pelczar, M.D., joined the medical staff at Mason Health in 2017. His special interests include minimally invasive, laparoscopic surgery; upper and lower endoscopies.

Ross E. Vogelgesang, MD

Joined Mason Health's team in June 2021 to provide pain management service across the District to all service lines! Dr. Vogelgesang obtained his medical degree at University of Texas Medical School at San Antonio, 1988. He specializes in chronic and acute pain management services for the entire District. Please contact your provider for a referral.

Frequently Asked Questions