Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Stuart C Marshall Jr., MD

Individual provider Orthopaedic Surgery Physician · NPI 1447204821

Stuart C Marshall Jr., MD practises Orthopedic Surgery in Draper, Utah. Graduated from Loyola University of Chicago, Stritch School of Medicine in 2000, 26 years ago. Practices with Mountainstar Specialty Services LLC, a 29-clinician group and accepts Medicare assignment. Licensed in Utah.

Years since qualifying
26
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
UT
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

96 E Kimballs Ln Ste 207
Draper, UT 84020-5025
Phone: (801) 576-2300
Fax: (844) 249-1746
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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 5846455-1205 (UT)

Record details

NPI number1447204821
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 20, 2006
Last updated in NPPESFebruary 9, 2022
Certification dateJanuary 20, 2020

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Mountainstar Specialty Services Llc — 29 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Knee replacement 24 times · 57th percentile
Upper limb (arm) arthroscopy (minimally invasive joint repair) 15 times · 54th percentile
Hip replacement 1–10 times
Lower limb (leg) arthroscopy (minimally invasive joint repair) 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients231
Services billed 2,279 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Travel and Lodging $1,705 4 payments · travel or lodging paid or reimbursed, such as to attend a conference
Food and Beverage $503 10 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Lone Peak Hospital Hospital · Draper, UT · listed as Lone Peak Hospital, Inc
  • Applegate Homecare Home health agency · South Ogden, UT · listed as Applegate Homecare & Hospice, LLC

Colleagues at Mountainstar Specialty Services LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 29 clinicians in the practice; 12 are shown here.

Other providers in Draper