0 reviews
Summary
Dr. Klaus Mergener is a gastroenterologist and internal medicine specialist who brings 37 years of medical expertise to patient care. He earned his medical degree from Medizinische Fakultaet Heidelberg Ruprecht-Karls-Universitaet Heidelberg in Germany and completed his residency training at Duke University Hospital. His extensive experience in digestive health allows him to provide comprehensive care for a wide range of gastrointestinal conditions. Dr. Mergener speaks Spanish and German in addition to English, helping him connect with patients from diverse backgrounds.
Dr. Mergener practices at multiple locations across Washington and South Dakota, with hospital affiliations including Swedish Edmonds Hospital, Multicare Tacoma General Hospital, and Avera McKennan Hospital. He specializes in treating conditions such as colon polyps, gastritis, and upper gastrointestinal bleeding. His procedural expertise includes performing colonoscopies and lower gastrointestinal endoscopy procedures …to help diagnose and treat digestive disorders. Dr. Mergener also conducts pathology tests to provide patients with accurate diagnoses and effective treatment plans.
Read More Read less Dr. Mergener practices at multiple locations across Washington and South Dakota, with hospital affiliations including Swedish Edmonds Hospital, Multicare Tacoma General Hospital, and Avera McKennan Hospital. He specializes in treating conditions such as colon polyps, gastritis, and upper gastrointestinal bleeding. His procedural expertise includes performing colonoscopies and lower gastrointestinal endoscopy procedures …to help diagnose and treat digestive disorders. Dr. Mergener also conducts pathology tests to provide patients with accurate diagnoses and effective treatment plans.
AI-generated from data on this provider profile.
Quick Facts
- accepting new patients
- 37 years of experience
- speaks Spanish, German
- Duke University Hospital
- 2 specialties
- 11 areas of expertise
- 2 board certifications
- 8 hospital affiliations
- 7 office locations
- Male
Office Locations
Dr. Klaus D Mergener has 7 locationsGastro Health Edmonds
21600 Highway 99 Ste 260Edmonds, WA 98026 Tel: (425) 774-2650
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
Edmonds Endoscopy Center
21600 Highway 99 Ste 220Edmonds, WA 98026Mon10:00 am - 5:00 pm
Tue10:00 am - 5:00 pm
Wed10:00 am - 5:00 pm
Thu10:00 am - 5:00 pm
Fri10:00 am - 5:00 pm
SatClosed
SunClosed
Avera Medical Group Gastroenterology
6100 S LOUISE AVE STE 3100SIOUX FALLS, SD 57108 Tel: (605) 799-2819
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. Klaus D Mergener, MD | Ji Soo Choi, APRN | Dr. Suzanne Gwen Watnick, MD | Dr. Syed Muhammad Tayyab, MD |
| Gastroenterology | Gastroenterology | Nephrology | Hospital Medicine |
| Accepts New Patients | Accepts New Patients | ||
| 37 Years of Experience | 31 Years of Experience | 18 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks Spanish, German | Speaks English | ||
| Edmonds , WA | SACRAMENTO , CA | Seattle , WA | Savannah , GA |
| Med School: Medizinische Fakultaet Heidelberg Ruprecht-Karls-Universitaet Heidelberg | Med School: New York University | Med School: University Of Massachusetts Medical School | Med School: Aga Khan University Medical College |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Klaus D Mergener
Medical Specialties
Dr. Klaus D Mergener has the following 2 specialties
Specialty Expertise
Dr. Klaus D Mergener has the following 11 areas of expertise
Certifications, License, & Education
37 Years Experience
MEDICAL LICENSE
Medical Doctor, South Dakota, 2027, Active
Medical Doctor, Washington, 2027, Active
EDUCATION & TRAINING
Residency
Duke University Hospital
Medical School
Medizinische Fakultaet Heidelberg Ruprecht-Karls-Universitaet HeidelbergGraduated in 1989
Similar doctors
Frequently Asked Questions
- What languages does Dr. Klaus Mergener speak?
- Dr. Klaus Mergener speaks Spanish and German.
- How can I make an appointment with Dr. Klaus Mergener?
- You can find contact information for Dr. Klaus Mergener here on Vitals.
- Does Dr. Klaus Mergener accept virtual/telehealth appointments?
- Dr. Klaus Mergener has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Klaus Mergener's office located?
- Dr. Klaus Mergener's office is located at 21600 Highway 99 Ste 260, Edmonds, WA, 98026.
- Which hospitals is Dr. Klaus Mergener affiliated with?
- Dr. Klaus Mergener is affiliated with Multicare Tacoma General Hospital, Multicare Allenmore Hospital, Swedish Edmonds Hospital, Samaritan Healthcare, Confluence Health Hospital Central Campus, Avera Mckennan Hospital And University Health Center, Confluence Health Wenatchee Valley Hospital, and Avera Specialty Hospital.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.







