NPPES file of Aug 9, 2026

Sean M. Marx, MD

Orthopaedic Surgery Physician · Columbia, MO

Sean M. Marx, MD is an orthopaedic surgery physician with a practice address in Columbia, Missouri, and NPI 1326458647, issued on May 8, 2014. Check the license (Missouri 2024041771, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326458647
Name
Sean M. Marx
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License numbers
2024041771 MO
20736 NH
T2209 TX
Self-reported in NPPES; status is on the state search
Practice location
1 S Keene St, Columbia, MO 65201
Phone
(573) 443-2402
Enumerated
May 8, 2014
Record last updated
Mar 17, 2025
Medicare enrollment
Enrolled (PECOS I20250124003329); accepts Medicare assignment
Medical or professional school
State University Of Ny Upstate Medical University, 2014
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1 S Keene St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dennis Abernathie, M.D.Orthopaedic Surgery of the Spine Physician1336140946
  2. Zaki Abou Zahr, M.D.Rheumatology Physician1457582108
  3. Elaina Adams, PA-C LAT ATCPhysician Assistant1134836406
  4. Mark Adams, M.D.Sports Medicine (Orthopaedic Surgery) Physician1275526865
  5. Nichole Adams, MED, ATC, LAT, OTCAthletic Trainer1043289259
  6. Thomas Aleto, MDAdult Reconstructive Orthopaedic Surgery Physician1881673549

Verify Sean M. Marx in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2024041771
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

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51% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

170 Medicare Part D claims for 104 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 23 claims were for opioids.

  1. Sean Marx170
  2. Specialty average346

Most prescribed

  1. Meloxicam103 claims
  2. Ibuprofen16 claims
  3. Oxycodone Hcl15 claims
  4. Methylprednisolone13 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.

Industry payments in 2024: $43.91

2 payments; by number, the most common kind was food and beverage; the largest payer was DePuy Synthes Sales Inc. 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.

  1. Sean Marx$44
  2. Specialty average$23,023

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

  1. Ssm Regional Health ServicesJefferson City, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sean M. Marx among 514 orthopaedic surgery physician records in Missouri

Sean M. Marx, 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 2014, is newer than 71% of them.

  • NPI issued2014 · 71% of these records are older, 26% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2014 · median 2006 among the 302 with a school on file
  • Record last updated2025 · 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.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. William Beckett, M.D.Columbia, MO 652011295728830
  2. Kurt Bormann, MDColumbia, MO 652011962615054
  3. Ronald Carter, M.D.Columbia, MO 652011912908559
  4. Kevin Gunter, MDColumbia, MO 652011992774269
  5. Charles Gusho, MDColumbia, MO 652011831729078
  6. Rown Parola, MDColumbia, MO 652011528792421
  7. Arpan Patel, MDColumbia, MO 652011346974607
  8. Michael Pompliano, MDColumbia, MO 652011225533862

Common questions

What is Sean M. Marx, MD's NPI number?

Sean M. Marx, MD's National Provider Identifier (NPI) is 1326458647, issued on May 8, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Sean M. Marx, MD located?

The NPPES record lists a practice address at 1 S Keene St, Columbia, MO, 65201. Phone: (573) 443-2402. Providers update this record themselves, so call before visiting.

How can I verify Sean M. Marx, MD's license?

NPPES lists Missouri license number 2024041771, 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 Sean M. Marx, MD prescribe under Medicare Part D?

In 2024, Sean M. Marx, MD had 170 Medicare Part D claims for 104 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.

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.