Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mark R Merrell, MD

Individual provider Orthopaedic Surgery Physician · NPI 1275552531

Mark R Merrell, MD is an Orthopedic Surgery in Kennewick, Washington. Graduated from University of Utah School of Medicine in 1990, 36 years ago. Practices with Tri-City Orthopaedic Clinic P S C, an 18-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
36
Trained at
University of Utah School of Medicine
Licensed in
WA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

6703 W Rio Grande Ave
Kennewick, WA 99336-2623
Phone: (509) 460-5588
Fax: (509) 783-5438
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence MD00033754 (WA)

Record details

NPI number1275552531
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 18, 2006
Last updated in NPPESJuly 16, 2019
Mailing address6703 W Rio Grande Ave, Kennewick, WA 99336-2623

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolUNIVERSITY OF UTAH SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Group practice Tri-City Orthopaedic Clinic P S C — 18 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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