Mark R. Merrell, MD
Orthopaedic Surgery Physician · Kennewick, WA
Mark R. Merrell, MD is an orthopaedic surgery physician with a practice address in Kennewick, Washington, and NPI 1275552531, issued on Jul 18, 2006. Check the license (Washington MD00033754, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Mark R. Merrell
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- MD00033754 WA
Self-reported in NPPES; status is on the state search - Practice location
- 6703 W Rio Grande Ave, Kennewick, WA 99336
- Phone
- (509) 460-5588
- Enumerated
- Jul 18, 2006
- Record last updated
- Jul 16, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (509) 783-5438
- Medicaid ID
- 8192569 WA
- Medicare enrollment
- Enrolled (PECOS I20111205000669); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 656 in Washington → Look up another NPI →
Also registered at 6703 W Rio Grande Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Alvarez, PA-CPhysician Assistant1578101374
- Edward Anderson, PTPhysical Therapist1508998931
- Loren Copeland, CRNACertified Registered Nurse Anesthetist1699798983
- Judd Fitzgerald, M.D.Sports Medicine (Orthopaedic Surgery) Physician1205125945
- Uel Hansen, M.D.Orthopaedic Surgery Physician1538215447
- Owen Higgs, MDOrthopaedic Surgery Physician1609891431
Verify Mark R. Merrell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00033754Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average orthopaedic surgery physician in 2024
1,056 Medicare Part D claims for 316 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 314 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen240 claims
- Ondansetron Odt198 claims
- Meloxicam197 claims
- Penicillin V Potassium140 claims
- Cephalexin39 claims
- Ibuprofen36 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 13.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Tri-City Orthopaedic Clinic P S CKennewick, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark R. Merrell among 656 orthopaedic surgery physician records in Washington
Mark R. Merrell, MD is one of 656 orthopaedic surgery physician records with a practice address in Washington. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 46% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1990 · median 2004 among the 385 with a school on file
- Record last updated2019 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Washington
There are 656 orthopaedic surgery physician records in Washington.
All 656 in Washington → Every provider in Kennewick → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Uel Hansen, M.D.Kennewick, WA 993361538215447
- Owen Higgs, MDKennewick, WA 993361609891431
- Shayne Kelly, DOKennewick, WA 993361841723582
- Christopher Kontogianis, M.D.Kennewick, WA 993361558308056
- Johnathan Perry, MDKennewick, WA 993361467433706
- Heather Phipps, D.O.Kennewick, WA 993361770521320
- Michael Sherfey, D.O.Kennewick, WA 993381487860946
- Thomas Halvorson, MDProsser, WA 993501578555264
Common questions
What is Mark R. Merrell, MD's NPI number?
Mark R. Merrell, MD's National Provider Identifier (NPI) is 1275552531, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark R. Merrell, MD located?
The NPPES record lists a practice address at 6703 W Rio Grande Ave, Kennewick, WA, 99336. Phone: (509) 460-5588. Providers update this record themselves, so call before visiting.
How can I verify Mark R. Merrell, MD's license?
NPPES lists Washington license number MD00033754, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark R. Merrell, MD prescribe under Medicare Part D?
In 2024, Mark R. Merrell, MD had 1,056 Medicare Part D claims for 316 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Mark R. Merrell, MD's MIPS final score?
The 2023 MIPS final score is 13.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.