
Area of Focus:
- Fellowship-trained in Foregut and Minimally Invasive Surgery
- Advanced laparoscopic and robotic surgery
- Gastroesophageal reflux disease and anti-reflux surgery
- Stomach and esophageal cancer
- Esophageal motility disorders such as achalasia
- Stomach disorders such as gastroparesis
- Zenker’s diverticulum
- Advanced endoscopic procedures, including POEM, EMR, and ESD
- Hernia, colon and gallbladder surgery
- Surgery resident education and surgical skills training
Certifications:
- Board Certified, Surgery, American Board of Surgery
- ACT Seal for Advanced Flexible Endoscopy by the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES)
- Certificate of Training in Robotic Surgery for the Da Vinci Xi platform by Intuitive
- LINX Certification by Ethicon
Education/Professional Training:
- Fellowship (Advanced Laparoscopic, Robotic, Minimally Invasive and Foregut Surgery): Allegheny Health Network, Pittsburgh, Pennsylvania
- Resident (General Surgery): St. Joseph Hospital, Denver, Colorado
- Medical School: MD, University of Buffalo, New York
- Masters of Business Administration: University of Buffalo, New York
- Undergraduate: Bachelor of Science in Biology, University of California, Santa Barbara, CA
Memberships/Professional Societies:
- American Foregut Society (AFS)
- Society of American Gastrointestinal and Endoscopic Surgeons (SAGES)
- American College of Surgeons (ACS)
About
Dr. MacLellan grew up in Southern California, where he was exposed to the medical system, volunteering for patient transport services and working in a research lab at UCLA. He went on to study biology and economics at UCSB before receiving a combined MD/MBA from the University of Buffalo. He fell in love with the city of Denver and the people of Colorado during his residency training at St Joseph Hospital. He had the opportunity to care for patients with diverse ethnic and socioeconomic backgrounds across many hospitals in the area, including Denver Health, Presbyterian St. Luke’s, University of Colorado, and Medical Center of the Rockies. During his training, he also developed a passion for minimally invasive surgery, which led him to pursue a fellowship in Foregut surgery and become an expert in the diagnosis and treatment of diseases of the stomach and esophagus.
Throughout his training, Dr. MacLellan observed how the personal needs of the patient could often become lost in the machinery of the health care system. Today, he strives to deliver quality surgical care to patients with an intentional focus on creating a doctor-patient partnership centered on communication, trust, and mutual respect. “Even though each patient comes to me with a medical problem I’ve encountered many times before, they also come to me with a unique perspective and set of priorities that will dictate how we, together, form an individualized and tailored care plan that optimizes their outcome.”
In his free time, Dr. MacLellan enjoys reading science fiction, lifting weights practicing yoga, skiing and snowboarding, and seeing live music. Outside of the hospital, he can be found spending time with his wife as they enjoy everything Denver has to offer.