Care Philosophy

To treat all patients with dignity and respect. Listen and understand my patient's medical problems, thoroughly explain diagnostic tests and management, and spend the time required to provide the best care possible for my patients.

About Mark D. Cumings, MD

Dr. Cumings is a retired United States Army Colonel and was Gastroenterology Services Chief at Madigan Army Medical Center before  joining our practice in 2015. His GI career began in 2002 and has taken him all over the world. Dr. Cumings enjoys spending free time boating, fishing, and shrimping on local waters.

Conditions & Procedures

  • Abdominal Pain
  • Acid Reflux & GERD
  • Colitis
  • Colon Cancer Screening
  • Colon Diseases & Polyps
  • Colorectal (Colon) Cancer
  • Constipation
  • Crohn’s & Ulcerative Colitis
  • Diarrhea
  • Hemorrhoids
  • Hepatitis
  • Indigestion
  • Inflammatory Bowel Disease
  • Irritable Bowel Syndrome
  • Swallowing Disorders
  • Anoscopy
  • Capsule Endoscopy (Pill Cam)
  • Colonoscopy (Screening & Diagnostic)
  • EGD (Upper Endoscopy)
  • Enteroscopy (Small & Large Bowel)
  • ERCP & Stents
  • Esophageal Dilation
  • Esophageal pH Testing (Breath Test)
  • Flexible Sigmoidoscopy
  • Hemorrhoid Treatment & Banding

Office Locations

Primary Location

Picture of the Olympia Office


209 Lilly Rd. NE
Suite B
Olympia, WA 98506

Phone: 360-413-8250
Fax: 360-413-8830

Procedure Locations

Having a procedure? It may not always be in the same location where you consulted with your doctor. Check with your doctor to make sure you’re headed to the right place.



Marshall University Joan C Edwards School of Medicine


Tripler Army Medical Center


National Capital Consortium Graduate Medical Education


Fitzsimons Army Medical Center

Professional Highlights


Board Certified in Gastroenterology

Awards & Recognitions

  • United States Army Bronze Star Service Medal
  • United States Army Meritorious Service Medal
  • United States Army Commendation Medal with 3rd OLC
  • United States Army Joint Service Commendation Medal
  • United States Army Achievement Medal with 3rd OLC
  • United States Army National Defense Service Medal with 1st OLC
  • United States Army Overseas Service Medal with 1st OLC
  • Iraq Campaign Medal
  • Global War on Terror Expeditionary Medal
  • Global War on Terror Service Medal
  • United States Army Service Ribbon
  • United States Army Combat Medical Badge
  • William Beaumont Eddy Palmer Endoscopic Award
  • Hugh Mahon Research Award, Fitzsimons Army Medical Center

Professional Memberships

  • American College of Gastroenterology
  • Alpha Omega Alpha Honor Medical Society