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

Derek S. Day, MD

Individual provider Sports Medicine (Physical Medicine & Rehabilitation) Physician · NPI 1972131712

Derek S. Day, MD is registered under Physical Medicine and Rehabilitation in Salt Lake City, Utah. Graduated from Baylor College of Medicine in 2020, 6 years ago. Practices with University of Utah Specialty Services, a 92-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Utah.

Years since qualifying
6
Trained at
Baylor College of Medicine
Licensed in
UT
In the registry since
2020
Specialties on file
2
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

85 N Medical Dr
Salt Lake City, UT 84112-1100
Phone: (801) 581-2121
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 102 Irving St Nw Dept Of, Washington, DC 20010-2921 — (202) 877-1587

Specialties & licences

Physical Medicine & Rehabilitation Physician (primary) Taxonomy 208100000X · Licence 13877410-1205 (UT)
Sports Medicine (Physical Medicine & Rehabilitation) Physician Taxonomy 2081S0010X · Licence 13877410-1205 (UT)

Record details

NPI number1972131712
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 28, 2020
Last updated in NPPESMarch 17, 2025
Certification dateMarch 17, 2025

Medicare enrollment

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

Medicare specialtyPHYSICAL MEDICINE AND REHABILITATION
Medical schoolBAYLOR COLLEGE OF MEDICINE
Graduated 2020 (6 years in practice)
Group practice University Of Utah Specialty Services — 92 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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 patients35
Services billed 57 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

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.

Food and Beverage $128 2 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. Those with a page here are linked.

  • University Of Utah Hospital And Clinics Hospital · Salt Lake City, UT
  • Avera Dells Area Hospital - Cah Hospital · Dell Rapids, SD
  • Avera McKennan Hospital & University Health Center Hospital · Sioux Falls, SD

Colleagues at University of Utah Specialty Services

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 92 clinicians in the practice; 12 are shown here.

Other providers in Salt Lake City