Island Hospital
Island Surgeons

Island Surgeons specializes in general, thoracic, breast and laparoscopic-surgery services. The group also performs diagnostic and therapeutic endoscopies, colonoscopies and screening colonoscopies. Our clinic has earned a reputation for excellent service, exemplary patient relations and commitment to the health of our community. Surgeons and staff focus on providing personal service to each and every patient and their family. 

Surgical services performed by Island Surgeons include:
  • Colon
  • Rectal
  • Breast
  • Gallbladder
  • Hernia
  • Port-a-cath
  • Skin
  • And more
  Contact Us

Island Surgeons
Island Medical Center
1213 24th Street, Suite 700
Anacortes, WA 98221 

(360) 293-5142

FAX (360) 299-2043

Monday - Friday 
8:30 AM - 5:00 PM


Our Providers     
Dr. Mulcahy 

Joseph W. Mulcahy MD, FACS earned his BS in Biology, summa cum laude, from Saint Vincent College, Latrobe, PA, in 1980 and received his MD from Saint Louis University School of Medicine, St. Louis, MO, in 1984. He fulfilled his Internship and Residency training in General Surgery at the University of Illinois, Cook County Hospital, completing it in 1989. Dr. Mulcahy's professional appointments include Instructor in Surgery, University of Illinois. He was Attending Surgeon at the U.S. Naval Hospital, Yokosuka, Japan; Naval Hospital, Charleston, SC; Granville Medical Center, Oxford, NC, where he also served as Chief of Surgery; and Maria Parham Hospital, Henderson, NC, where he additionally served as Chief of Surgery and Chief of Staff.

Leah Oman MD  With an extensive background in general surgery and research, Mary Leah F. Oman MD brings expanded capabilities to the practice of Island Surgeons at Island Hospital.

Dr. Oman earned a Bachelor of Science degree in biochemistry from Texas A&M University, College Station, TX and a Medical Doctorate degree from Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX. She served a Residency in General Surgery at the University of South Carolina/Palmetto Richland Memorial Hospital and a Fellowship in Breast Disease at the hospital's Comprehensive Breast Center.

Before joining Island Surgeons, Dr. Oman was a General Surgeon at Northwest Arkansas Surgical Clinic, Springdale, AR; at Mercy Health Systems, Rogers, AR; and at Whidbey General Hospital, Coupeville, WA. She also served as Chief of Surgery at Willow Creek Women's Hospital, Johnson, AR and as a research technician at Texas Tech University Health Sciences Center's Departments of Surgery and Biochemistry.

Dr. Oman has been the recipient of numerous awards and research grants. She is affiliated with the American Medical Association, the Washington State Medical Association and the American Society of Breast Surgeons.

 Bryan Potter MD

Dr. Bryan Potter received his Doctorate of Medicine degree from University of Cincinnati, College of Medicine. He completed his internship at the Department of Surgery, Methodist Hospital, Indianapolis, IN; and his residency at the Department of Surgery, Jewish Hospital, Cincinnati – where he also served as chief resident. This was followed by a fellowship at the Department of Head and Neck Surgical Oncology, University of Texas MD Anderson Cancer Center in Houston, TX.

Dr. Potter began his career as a staff surgeon at Coshocton County Memorial Hospital, Coshocton, OH. From 2004 through 2011, he practiced in rural Oregon and Washington (including at Island Hospital as a locum tenens surgeon (2008-2009), where he provided a broad range of general, head and neck, trauma, thoracic, gynecologic and vascular surgical care. In 2012 Dr. Potter returned to the Midwest, having chosen to dedicate himself entirely to the management of varicose vein disease, and he has since earned certifications in diagnostic ultrasound of registered vascular technologist (RVT) and registered physician in vascular interpretation (RPVI). Dr. Potter comes to Island Surgeons from Rocky Mountain Vein Clinic, Billings, MT, where he specialized in phlebology.

Dr. Potter is a member of the American Board of Surgery and the American Board of Venous and Lymphatic Medicine.


Island Surgeons is an Island Hospital-affiliated clinic. Patients seeking care at this clinic may receive a separate billing for a facility fee. This fee could result in higher out-of-pocket expenses. Patients should contact their insurance company to determine coverage for hospital-based facility charges.