Reviews reflect patients' level of satisfaction with the care they received from this provider. Dr. Frederick Ruymann xhas an overall rating of 4.1.
Dr. Frederick Ruymann, MD is a Doctor primarily located in Cambridge, MA. He has 30 years of experience. His specialties include Gastroenterology and Internal Medicine. Dr. Ruymann is affiliated with Mount Auburn Hospital, Pulmonary Critical Care & Sleep Medicine and Brigham & Women's Hospital. He speaks English.
Find out the languages this doctor/ or staff may speak.
Learn where this doctor attended medical school.
Specialties & Expertise
Dr. Frederick Ruymann has the following 10 areas of expertise and 2 specialties.
For the best health care, select a doctor who specializes in your medical condition.
See areas of expertise for treating specific conditions, procedures and surgeries for this doctor.
Get the facts about colonoscopy, including how and why it's done and doctors who perform the procedure.
Locations & Directions
Dr. Frederick Ruymann, MD is similar to these 3 Doctors near Cambridge, MA.
Dr. Daniel Zandman
Dr. Pablo Guevara
Dr. Michael Kjelsberg