Mark Merrell, MD


• Orthopedics
• Orthopedic Surgery


• Board Certified American Board of Orthopaedic Surgery
• Diplomate, National Board of Medical Examiners
• Diplomate, American Board of Orthopaedic Surgery
• Washington State Medical Association
• Fellow, American Academy of Orthopaedic Surgeons
• Benton-Franklin County Medical Society
• Western Orthopaedic Association


Maricopa Medical Center


Phoenix Integrated Orthopaedic Residency Program


Medical Degree – University of Utah, 1990
Undergraduate – Microbiology, Brigham Young University

Dr. Merrell can see you for:

• General Orthopaedics
• Sports Medicine
• Reconstructive Surgery
• Knee Replacement
• Hip Replacement
• Minimally Invasive Surgery (MIS)
• Computer Assisted Surgery (CAS)/Navigation
• Trauma

Dr. Merrell specializes in the surgical and nonsurgical treatment of most Orthopaedic disorders and injuries.

From the Patients



Kennewick, WA

"I love this clinic to death. I see Dr Merrill. He has done a great job with my knee surgeries and post op instructions."



Kennewick, WA

"I had seen another orthopaedic doctor about my hip problems, and he only wanted to try medication. Nothing helped, so I tried Dr. Merrell. He gave me options, explained the options, and we made a decision together. He performed hip replacement surgery on me six years ago. The surgery, recovery, and healing all went very well. I'm very pleased with Dr. Merrell and recommend him highly."



Richland, WA

"Dr. Merrell handles himself in a very professional manner. His staff strives to keep his appointments on time. The knee he replaced for me has been a God send. I have had zero problems since being discharged from therapy. I plan on getting the other knee done in the near future."



Richland, WA

"Dr. Merrell is the best doctor I've ever had, Drew is the best PT I've ever had. Staff is excellent, could not ask for a better experience."



Pasco, WA

"I have had a hip and knee replacement with Dr. Merrell and Dr. Higgs, respectively. Both of the doctors and their staff have been wonderful, friendly, courteous, and provide expert service.  I am impressed by the personnel as well as the results of the surgeries. PA Joe Webb has been especially helpful and the nurses have been wonderful. I can't say enough about the Tri-Cities Orthopedic Clinic. Making appointments is fast and easy and I don't have to wait. When my appointment time is at hand, so is the staff calling me in."


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Contact Info

  • 6703 W. Rio Grande Ave. Kennewick, WA 99336
  • 509.460.5588
  • 509.783.5438

Monday – Friday
7:30 am – 5:00 pm