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

Samuel L Mortimer, MD

Individual provider Orthopaedic Surgery Physician · NPI 1073727897

Samuel L Mortimer, MD practises Orthopedic Surgery in Rapid City, South Dakota. Graduated from Sanford School of Medicine of University of South Dakota in 2002, 24 years ago. Practices with Black Hills Orthopedic and Spine Center Inc, a 73-clinician group and accepts Medicare assignment. Licensed in South Dakota.

Years since qualifying
24
Trained at
Sanford School of Medicine of University of South Dakota
Licensed in
SD
In the registry since
2007
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

7220 Mount Rushmore Rd
Rapid City, SD 57702-8754
Phone: (605) 341-1414
Fax: (605) 341-7062
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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 7230 (SD)

Record details

NPI number1073727897
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 10, 2007
Last updated in NPPESJuly 22, 2024
Certification dateJuly 22, 2024

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolSANFORD SCHOOL OF MEDICINE OF UNIVERSITY OF SOUTH DAKOTA
Graduated 2002 (24 years in practice)
Group practice Black Hills Orthopedic And Spine Center Inc — 73 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 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 65 times · 85th percentile
Hip replacement 41 times · 83rd percentile
Upper limb (arm) arthroscopy (minimally invasive joint repair) 39 times · 81st percentile

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 patients338
Services billed 8,193 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.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Black Hills Orthopedic and Spine Center Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 73 clinicians in the practice; 5 are shown here.

Other providers in Rapid City