Mark R. Merrell, MD
About This Business
Mark R. Merrell, MD, is an orthopaedic surgeon in Kennewick, Washington, with 36 years of experience since graduating from the University of Utah School of Medicine in 1990, above the 22-year average among the 84 Kennewick physicians in our directory. He is one of two orthopaedic surgeons in our listings. His Medicare profile lists knee replacement, hip replacement, and lower limb arthroscopy among his most frequent procedures. He is affiliated with Lourdes Medical Center, Kadlec Regional Medical Center, St Anthony Hospital, and Trios Health. In MIPS, the federal program scoring Medicare clinicians on quality and cost, he holds 88.4 out of 100. He accepts Medicare; telehealth is not currently listed among his services. Patient sentiment is exceptional: a 4.9 rating across 349 reviews.
Verified Provider Info
- Specialty (per registry)
- Orthopaedic Surgery
- NPI Number
- 1275552531
- Medical school graduate
- 1990 (36+ years of practice)
- Medical school
- UNIVERSITY OF UTAH SCHOOL OF MEDICINE
- State license
- MD00033754 (WA)
- Hospital affiliations
- Lourdes Medical Center · Kadlec Regional Medical Center · St Anthony Hospital
- Quality score (CMS MIPS)
- 88.4/100
- Common services (Medicare data)
- Knee replacement · Hip replacement · Lower limb (leg) arthroscopy (minimally invasive joint repair)
Source: NPPES NPI Registry (CMS) · CMS Doctors & Clinicians dataset · checked 2026-08-18
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Information last updated: September 7, 2026
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