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Medical Services

We're excited to announce the addition of Gastroenterology as a service, providing comprehensive digestive health care. Our board-certified gastroenterologist surgeon, Yan Chen, MD, and nurse practitioner, Kristi Ott, FNP, offer advanced diagnostic and treatment services for conditions including GERD, IBS, Crohn's disease, ulcerative colitis, and liver disorders. From routine colonoscopies to complex endoscopic procedures, we utilize the latest technology in a comfortable, patient-centered environment. Our multidisciplinary team works closely with primary care physicians to ensure seamless, coordinated care. We accept most insurance plans and offer convenient scheduling options. Contact us today to schedule your consultation and take the first step toward better digestive health.

Yan Chen, MD, PhD

Yan Chen, MD, PhD
Gastorenterologist/Surgeon

To self-schedule your colonoscopy or endoscopy procedure with Dr. Chen, call (660)831-3208 or ask your Primary Care Provider for a referral to Marshall Surgical Associates inside the Fitzgibbon Medical Clinic.

 
Yan Chen, MD, PhD

Kristi Ott, FNP
Gi Nurse Practitioner

To schedule an appointment with Kristi Ott for your GI-related conditions, ask your provider for a referral to Marshall Surgical Associates inside the Fitzgibbon Medical Clinic (660) 886-7800 option 6.