Summary

Dr. Christopher Marshall is a gastroenterologist with 22 years of experience treating digestive system disorders. He earned his medical degree from UMass Chan Medical School in Worcester, Massachusetts, where he also completed both his residency and fellowship training. Dr. Marshall holds certification in internal medicine from the American Board of Internal Medicine. He speaks English.

Dr. Marshall practices at UMass Memorial Medical Center in Worcester, Massachusetts, with locations at both the University Campus and Memorial Campus, as well as the UMass Memorial Health Endoscopy Center. He specializes in helping patients with nausea and vomiting, including those experiencing severe symptoms from cannabis use or cancer treatments. Dr. Marshall performs colonoscopies and other lower digestive tract procedures to diagnose and monitor conditions. Patients rate him 4.4 out of 5 stars on average.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.4
  • 22 years of experience
  • 22 insurance plans accepted
  • speaks English
  • UMass Chan Medical School
  • 4 written reviews
  • 1 specialty
  • 10 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Christopher A Marshall has 3 locations

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Christopher A Marshall, MDAshley Anderson, APRNTheresa Obonyano, APRNJan Seiler, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.4 
22 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English Speaks English
Worcester , MASACRAMENTO , CASACRAMENTO , CAMontgomery , AL
Med School: UMass Chan Medical School, Worcester, MA Med School: East Tennessee State University - Quillen College of Medicine Med School: The University of Texas Health Science Center at Houston Med School: Georgia State University
Current Profile
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Insurance Plans Accepted by Christopher A Marshall

  • AARP
  • Aetna
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Massachusetts
  • Cigna
  • Fallon Community Health Plan (FCHP)
  • Fallon Community Health Plan (FCHP) - Medicaid (Managed)
  • Harvard Pilgrim Health Care
  • Health New England
  • Humana
  • MassHealth - Medicaid
  • Medicaid - Medicaid
  • Medicaid - Medicaid (HMO Plans)
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • Meritain Health - HMO
  • Neighborhood Health Plan
  • Tufts Health Plan
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - PPO

Medical Specialties

Christopher A Marshall has the following specialty

Specialty Expertise

Christopher A Marshall has the following 10 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

22 Years Experience

Christopher A Marshall holds an expired medical license in the state of Massachusetts. They are board certified in Internal medicine by the American Board of Internal Medicine.

Board Certifications

Board certified in Internal medicine by the American Board of Internal Medicine.

Medical License

Medical Doctor with an expired medical license in the state of Massachusetts that expired in 2026.

Education & Training

Fellowship

Completed their fellowship at UMass Chan Medical School.

Residency

Completed their residency at UMass Chan Medical School.

Medical School

Graduated from UMass Chan Medical School, Worcester, MA in 2004.

NPI Number

Christopher A Marshall's NPI number is 1942306261.

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Frequently Asked Questions

What languages does Christopher Marshall speak?
Christopher Marshall speaks English.
Is Christopher Marshall accepting new patients?
Christopher Marshall is accepting new patients on Vitals. View Christopher Marshall's profile on Vitals to make an appointment.
Does Christopher Marshall accept virtual/telehealth appointments?
Christopher Marshall has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Christopher Marshall?
You can find contact information for Christopher Marshall here on Vitals.
Does Christopher Marshall accept my insurance?
You can see the insurance plans that Christopher Marshall accepts on their Vitals profile.

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