4
31 Ratings with 7 written Reviews
Summary
Dr. Frederick Ruymann is a gastroenterologist and internal medicine physician who brings nearly four decades of medical expertise to his practice. He earned his medical degree from Case Western Reserve University School of Medicine and completed his residency at Massachusetts General Hospital. With 39 years of experience treating digestive system disorders and providing comprehensive internal medicine care, Dr. Ruymann has developed extensive knowledge in managing complex gastrointestinal conditions. He is fluent in Portuguese and Spanish, allowing him to serve diverse patient populations.
Dr. Ruymann practices at Cape Cod Hospital and provides care through Cape Cod Healthcare General and Specialty Surgery in Hyannis, Massachusetts. He specializes in treating various forms of pancreatitis, including both acute and chronic conditions affecting the pancreas. His expertise helps patients navigate these serious digestive disorders with comprehensive treatment approaches. Patients rate Dr. …Ruymann 4.0 out of 5 stars on Vitals, reflecting his commitment to quality gastroenterological care.
Read More Read less Dr. Ruymann practices at Cape Cod Hospital and provides care through Cape Cod Healthcare General and Specialty Surgery in Hyannis, Massachusetts. He specializes in treating various forms of pancreatitis, including both acute and chronic conditions affecting the pancreas. His expertise helps patients navigate these serious digestive disorders with comprehensive treatment approaches. Patients rate Dr. …Ruymann 4.0 out of 5 stars on Vitals, reflecting his commitment to quality gastroenterological care.
Overview based on verified provider data
Quick Facts
- 39 years of experience
- speaks Portuguese, Spanish
- Massachusetts General Hospital
- 7 written reviews
- 2 specialties
- 11 areas of expertise
- 1 hospital affiliation
- 2 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Frederick W Ruymann has 2 locationsCape Cod Healthcare General And Specialty Surgery
105 Park StHyannis, MA 02601 Tel: (508) 862-5565
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Frederick W Ruymann, MD | Jan Seiler, APRN | Theresa Obonyano, APRN | Ashley Anderson, APRN |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 39 Years of Experience | |||
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks Portuguese, Spanish | Speaks English | Speaks English | Speaks English |
| Hyannis , MA | Montgomery , AL | Sacramento , CA | Sacramento , CA |
| Med School: Case Western Reserve University School Of Medicine | Med School: Georgia State University | Med School: The University of Texas Health Science Center at Houston | Med School: East Tennessee State University - Quillen College of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Frederick W Ruymann
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Frederick W Ruymann has the following 2 specialties
Specialty Expertise
Dr. Frederick W Ruymann has the following 11 areas of expertise
Certifications, License, & Education
39 Years Experience
Dr. Frederick W Ruymann holds an expired medical license in the state of Massachusetts.
Medical License
Medical Doctor with an expired medical license in the state of Massachusetts that expired in 2026.
Education & Training
Residency
Completed their residency at Massachusetts General Hospital.
Medical School
Graduated from Case Western Reserve University School Of Medicine in 1987.
NPI Number
Dr. Ruymann's NPI number is 1568466316.
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Frequently Asked Questions
- What languages does Dr. Frederick Ruymann speak?
- Dr. Frederick Ruymann speaks Portuguese and Spanish.
- Does Dr. Frederick Ruymann accept my insurance?
- You can see the insurance plans that Dr. Frederick Ruymann accepts on their Vitals profile.
- Where is Dr. Frederick Ruymann's office located?
- Dr. Frederick Ruymann's office is located at 105 Park St, Hyannis, MA, 02601.
- Is Dr. Frederick Ruymann accepting new patients?
- Dr. Frederick Ruymann has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. Frederick Ruymann accept virtual/telehealth appointments?
- Dr. Frederick Ruymann has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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