Mark R. Merrell, MD - Doctor in Kennewick, WA

Mark R. Merrell, MD

Doctor
4.9

349 reviews

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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)
Accepts Medicare

Source: NPPES NPI Registry (CMS) · CMS Doctors & Clinicians dataset · checked 2026-08-18

Address

6703 W Rio Grande Ave suite b
Kennewick, WA 99336

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Information last updated: September 7, 2026