Michael James Krier, MD
Gastroenterology • Fairfield, CA
About
Dr. Michael James Krier, MD is a gastroenterologist in Fairfield, CA who treats adults and older adults with digestive and liver conditions including GERD, dysphagia, colorectal cancer screening, and inflammatory bowel disease. He is accepting new patients and offers video visits through NorthBay Healthcare Group.
Clinic Type
Gastroenterology
Address
4520 Business Center Drive, Suite 180, Fairfield, CA 94534
Phone
(707) 646-3555
dfowler@northbay.org
Opening Hours
Not published — contact the clinic to confirm hours.
Telehealth
Video Visits Available
Services Offered
Team
Insurance & Payment
Languages Spoken
—
FAQs
Is the clinic accepting new patients?
Yes, accepting new patients.
Are video visits available?
Video visits available.
Photos
What Patients Say
Overall sentiment across review platforms: very positive
- US News Doctors: 5/5 (90)
- Healthgrades: 5.0/5.0 (53)
- Yelp: Not explicitly rated/star-scored as an aggregate (3)
Patients praise
- Highly recommended by patients
- Thorough, professional, and empathetic care
- Comfortable and successful procedures (endoscopy/colonoscopy)
- Clear and insightful communication
Common complaints
- Limited review volume on some platforms
"I can report that Dr. Krier performed the most comfortable and thorough upper and lower scopes of the five procedures I had undergone... I could see that he was concerned about my welfare and comfort. I offer my highest recommendation to any patients seeking a skilled and empathetic gastroenterologist."
— Healthgrades"Dr. Krier is my one of my absolute Favorite folks on this earth. He actually saved my life."
— YelpSynthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].
In the News
- Dr. Michael Koss, MD - Peoria, AZ - Gastroenterology — Mar 25, 2026
- Dr. Philip Y. Wong, MD - Gastroenterologist in Vallejo, CA — May 14, 2026
- Dr. Maria R Saavedra | Family Doctor in Fairfield, CA | Sutter Health — May 4, 2026
- Dr. Michael James Sass, Jr, DO - Danville, PA - Internal Medicine - Book an Appointment — May 1, 2026
- Dr. Roger E. Mendis, MD - Gastroenterologist in Sacramento, CA — May 14, 2026
Information sourced from the clinic's website as of July 10, 2026.
More gastroenterology clinics in Fairfield
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