Michael Williamson, MD
Orthopaedic Surgery Physician · Kansas City, MO
Michael Williamson, MD is an orthopaedic surgery physician with a practice address in Kansas City, Missouri, and NPI 1285751859, issued on Mar 26, 2007. Check the license (Missouri 2011024871, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Michael Williamson
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- 2011024871 MO
MT186890 PA
Self-reported in NPPES; status is on the state search - Practice location
- 9411 N Oak Trfy, Kansas City, MO 64155
- Phone
- (816) 468-8632
- Enumerated
- Mar 26, 2007
- Record last updated
- Mar 29, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20111020000686); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 514 in Missouri → Look up another NPI →
Also registered at 9411 N Oak Trfy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Steven Ballard, DOFamily Medicine Physician1134357668
- Alejandra Beardman, MDPediatrics Physician1881668549
- Rebecca Bliss, MPTPhysical Therapist1295043610
- Daniel Boyce, DOFamily Medicine Physician1720024797
Verify Michael Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2011024871Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
230 Medicare Part D claims for 101 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 176 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen64 claims
- Oxycodone Hcl64 claims
- Oxycodone-Acetaminophen42 claims
- Clindamycin Hcl16 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 practice group's MIPS final score for 2023 (Medicare payment program): 77.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $388.41
7 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Saint Lukes Physician Group IncTrenton, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Williamson among 514 orthopaedic surgery physician records in Missouri
Michael Williamson, MD is one of 514 orthopaedic surgery physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 44% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2005 · median 2006 among the 302 with a school on file
- Record last updated2012 · 54% 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 Missouri 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 Missouri
There are 514 orthopaedic surgery physician records in Missouri.
All 514 in Missouri → Every provider in Kansas City → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Daniel Weed, M.D.Kansas City, MO 641541831167881
- Cody Harlan, M.D.Parkville, MO 641521104870054
- Ryan Swope, DOKansas City, MO 641581790975787
- John Swab, D.O.Kansas City, MO 641511881076198
- Thomas McCormack, M.D.Kansas City, MO 641391972581353
- David Noll, MDKansas City, MO 641321841490109
- Daniel Schaper, MDKansas City, MO 641311134112535
- Shannon Carpenter, M.D.Kansas City, MO 641281366762023
Common questions
What is Michael Williamson, MD's NPI number?
Michael Williamson, MD's National Provider Identifier (NPI) is 1285751859, issued on Mar 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael Williamson, MD located?
The NPPES record lists a practice address at 9411 N Oak Trfy, Kansas City, MO, 64155. Phone: (816) 468-8632. Providers update this record themselves, so call before visiting.
How can I verify Michael Williamson, MD's license?
NPPES lists Missouri license number 2011024871, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Williamson, MD prescribe under Medicare Part D?
In 2024, Michael Williamson, MD had 230 Medicare Part D claims for 101 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Michael Williamson, MD's MIPS final score?
The 2023 MIPS final score is 77.3 of 100, reported for the practice group. 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.