• Gastroenterology

  • Centura Health Gastroenterology – Orchard

    At Centura Health Gastroenterology – Orchard, our expert physicians specialize in the diagnosis and treatment of digestive tract diseases including conditions of the colon, gallbladder, stomach, liver, esophagus and pancreas. From minimally invasive colonoscopy screenings to the complex management of liver disease, our physicians are experts in their field and dedicated to caring for the whole person.

    Centura Health Gastroenterology – Orchard physicians provide care to patients both in the hospital setting and through outpatient procedures.

    Our Gastroenterologists Perform the Following Procedures:

    • Colonoscopy
    • Endoscopy (Esophagus, Stomach, Small Intestine)
    • ERCP (Endoscopic Retrograde Cholangiopancreatography)
    • Flexible Sigmoidoscopy
    • Hemorrhoid Treatment & Banding
    • Proctosigmoidoscopy
    • Hemorrhoidectomy or Excision of Anal Tags
    • Liver Biopsy
    • Manometry
    • Colon Cancer Screening
    • Radiofrequency Ablation for Barrett's Esophagus

    Meet Our Gastroenterologists:

  • Paul Deneault, MDPaul D. Deneault, MD earned his medical degree from the University of Ottawa in Canada. He completed his internship at the University of Toronto and returned to the University of Ottawa to complete his internal medicine residency, serving as Chief Resident his final year. Dr. Deneault remained at the University of Ottawa to complete two fellowships, Gastroenterology and Therapeutic Endoscopy.

    Dedicated to sharing his knowledge with others, Dr. Deneault serves as an Assistant Clinical Professor at the University of Colorado. He is also a certified as a Fellow of the Royal College of Physicians and Surgeons of Canada for both Internal Medicine and Gastroenterology.

    When it comes to treating his patients, Dr. Deneault tries to “always deliver patient care in a friendly easy-going manner as if I were treating a friend or family member.” His particular clinical interests include: ulcerative colitis, crohn’s disease, irritable bowel syndrome (IBS), and diverticulitis.

    Dr. Deneault was born and raised in Canada, and spent 20 years as a navy carrier practicing throughout the world. He is married to a fellow Gastroenterology physician, and has 3 adult children – an engineer, a CPA accountant, and an attorney.

    Bruce Walker, MDBoard-certified in Internal Medicine and Gastroenterology, Dr. Walker earned his medical degree from the Medical College of Wisconsin in Milwaukee. He completed his Internal Medicine residency at the Good Samaritan Medical Center in Phoenix, Arizona.  Dr. Walker completed a Gastroenterology fellowship at a combined program with the University of Arizona and the Tucson VA Medical Center and finished the Advanced Training Fellowship in Therapeutic Endoscopy at the Phoenix VA Medical Center.

    Dr. Walker is devoted to the care of patients with diseases and disorders of the digestive tract. His particular clinical interests include celiac disease, Crohn’s disease, Gastroesophageal Reflux Disease (GERD), liver disease, ulcerative colitis and irritable bowl diseases. 

    Dr. Walker is an active medical leader and has previously served in an advisory capacity for numerous hospital committees, as an American Cancer Society volunteer lecturer and volunteer physician for the Phoenix Cardinals and Phoenix Formula I Grand Prix.

    Dr. Walker is married and has three children.

    Ashley Kramer, PA-CA Colorado native, Ashley Kramer, MMS, PA-C, received her bachelor’s degree in Biology from Metropolitan State University in Denver. Prior to attending graduate school, Ashley worked in laboratory medicine at Boulder Community Hospital for nearly seven years. She received her physician assistant certification from the Red Rocks Physician Assistant Program, in conjunction with a Master of Medical Science degree from St. Francis University.

    Ashley is certified with the National Commission on Certification of Physician Assistants and licensed with the Colorado Board of Medicine. Her special interests include inflammatory bowel disease and hepatitis.

    Brenda Sassen, NPBrenda Sassen, MSN, APRN, FNP-C, earned a Bachelor of Science degree in nursing from the University of Minnesota. Her nursing experience includes time spent as a travelling nurse with a variety of units before completing the nurse practitioner program at the University of Southern Indiana. Brenda is board certified through the American Academy of Nurse Practitioners and maintains Advanced Cardiac Life Support, Pediatric Advanced Life Support, and Basic Life Support certifications.

    She is a member of the American Academy of Nurse Practitioners.

  • Schedule an Appointment

    Centura Health Gastroenterology – Orchard 
    Orchard Neighborhood Health Center
    14300 Orchard Parkway, Floor 2
    Westminster, CO 80023
    Phone: 720-627-4310
    Fax: 720-627-4311

    Unsure if You Need a Gastroenterologist?

    Talk to your primary care physician to determine if you should see a gastroenterologist. If you don't have a primary care physician, visit our physician clinics page to find a primary care physician closest to you that will meet your needs.

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