Dr. Spencer Amundsen, M.D.

Orthopedic Surgery
68 procedures 1 hospital Draper, UT
Latest available Medicare data — updated April 2026
Growing Volume

Contact & Location

Phone: 801-576-2300
Practice phone listed in the NPI registry
96 E Kimballs Ln Ste 207
Draper, UT 84020
NPI: 1841517257
Credentials: M.D.
Active Medicare provider (NPI verified)
16 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
Hip replacement recovery kit Essentials every patient wishes they bought first
National Comparison by Procedure
Hip 36 vs 36 avg (4,532 surgeons)
Knee 32 vs 45 avg (6,599 surgeons)

Dr. Spencer Amundsen is a board-certified orthopedic surgeon practicing in Draper, Utah. A Medicare provider since 2010, Dr. Amundsen has performed 36 Medicare-verified hip replacements (#14 in Utah) and 32 knee replacements, for a combined total of 68 procedures.

In Utah, Dr. Amundsen performs above average in hip (36 vs 30 avg), below average in knee (32 vs 42 avg).

Dr. Amundsen's reported Medicare volume is split between hip replacements (36 cases) and knee replacements (32 cases).

Draper is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Draper area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Amundsen extend back to 2017, covering 8 years of data. Over that period, recorded procedure volume increased from 35 to 68 in the most recent data, a 94% increase. This sustained growth reflects an expanding joint replacement practice.

Among 4,532 hip replacement surgeons tracked nationally, Dr. Amundsen's 36 verified procedures is near the national average of 36.

Verified Medicare Cases

Hip Replacement
36 verified cases
#14 in Utah
Knee Replacement
32 verified cases
#35 in Utah
Estimated total: 180 – 210 procedures (all insurers)
Based on Medicare FFS representing 33–37% of national joint replacement volume
How is this estimated?

Medicare Part B fee-for-service claims represent approximately 33–37% of all joint replacements performed nationally (source: CMS data, AJRR). This range estimates the surgeon's total practice volume across all payers. The verified Medicare count above is the definitive, audited figure.

How Dr. Amundsen Compares

Procedure volume compared to the Utah state average.

Hip High
36 Avg: 30
Knee Below Avg
32 Avg: 42
Dr. Amundsen Utah Average

Volume Trend Analysis

Dr. Amundsen's Medicare-recorded procedure volume has trended upward over 8 years, increasing 94% from 35 procedures in 2017 to 68 in the most recent data.

Years of Data 8
2024 Volume 68
Peak Volume 75 (2022)
Trend Growing

Hospital Affiliations & Quality

H
Lone Peak Hospital
5/5
Draper, UT
Low case volume

Quality ratings and complication rates are hospital-level metrics from CMS Hospital Compare and do not reflect individual surgeon performance. Star ratings updated quarterly. Complication data covers a rolling 3-year period.

Patient Resources: Preparing for Hip Replacement

If you are considering hip replacement surgery, these evidence-based guides can help you prepare and recover:

Hip Replacement Recovery Overview

Recovery timelines vary by patient, but here is a general overview of what to expect after hip replacement surgery:

Week 1-2 Walking with assistive device (walker or cane). Gentle range-of-motion exercises begin. Most patients can manage basic self-care.
Week 3-6 Transition to walking independently. Resume driving short distances. Physical therapy focuses on strength and balance.
Week 7-12 Return to most daily activities and light exercise. Stair climbing improves. Many patients return to desk work.
Month 4-6 Full recovery for most patients. Resume recreational activities, golf, swimming, and low-impact exercise.

Individual recovery varies based on overall health, age, and adherence to physical therapy. View full hip replacement recovery guide and product recommendations

Frequently Asked Questions About Dr. Amundsen

How does Dr. Amundsen's procedure volume compare to other Utah surgeons?

Dr. Amundsen has performed 68 Medicare-verified joint replacement procedures. This is in line with the Utah average of 58 procedures per surgeon. Dr. Amundsen ranks #28 out of 88 orthopedic surgeons in Utah.

What types of joint replacement does Dr. Amundsen perform?

Dr. Amundsen's Medicare data shows procedures in hip replacement (36 cases) and knee replacement (32 cases).

How experienced is Dr. Amundsen with hip replacement surgery?

Dr. Amundsen ranks #14 in Utah for hip replacement with 36 Medicare-verified procedures. This high ranking among 88 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Amundsen in Draper?

Yes. There are 3 orthopedic surgeons in Draper in the current Medicare dataset. Patients can compare procedure volumes and specializations to choose the surgeon who best fits their needs. Use the state page to view all Utah surgeons.

What does the Medicare data for Dr. Amundsen represent?

The procedure counts shown are based on the most recent Medicare Part B fee-for-service claims data, published by the Centers for Medicare and Medicaid Services (CMS). This captures approximately 33–37% of all joint replacements performed nationally. Dr. Amundsen's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 68 procedures shown here.

Has Dr. Amundsen's procedure volume changed over time?

Yes. Dr. Amundsen's Medicare-recorded volume has increased from 35 procedures in 2017 to 68 in the most recent data, a 94% increase over 8 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 75 procedures in 2022.

Does Dr. Amundsen perform more than one type of joint replacement?

Yes. Dr. Amundsen's Medicare data shows procedures in hip replacement (36 cases), knee replacement (32 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Amundsen affiliated with?

According to CMS facility affiliation data, Dr. Amundsen is affiliated with Lone Peak Hospital.

How does Dr. Amundsen compare to other orthopedic surgeons in Draper?

Among the 3 orthopedic surgeons in Draper, Dr. Amundsen ranks #1 by total Medicare procedure volume. Dr. Amundsen has the highest verified Medicare volume in the city.

What are the quality ratings for hospitals where Dr. Amundsen practices?

Lone Peak Hospital (5 out of 5 CMS stars, insufficient case volume for complication rate comparison). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.

Other Orthopedic Surgeons in Draper, Utah

Dr. Amundsen's 68 Medicare procedures are above the Draper average of 45. The table below compares verified procedure volumes for orthopedic surgeons practicing in Draper.

SurgeonProceduresSpecialties
Dr. Stuart Marshall 57 Hip, Knee, Shoulder
Dr. Paul Fenton 11 Shoulder

Patient Resources & Verification

Research reviews, verify credentials, and check official quality data through these trusted sources:

Medicare Care Compare and NPI Registry are official U.S. government sources. Google reviews reflect user-submitted feedback. OrthoProcedures.com does not verify the accuracy of third-party review content.

Cite This Data

APA: OrthoProcedures. (2026). Dr. Spencer Amundsen, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ut/dr-spencer-amundsen-draper.html

Link: https://orthoprocedures.com/surgeons/ut/dr-spencer-amundsen-draper.html

Data source: CMS Medicare Part B Provider Utilization & Payment Data. Full methodology | Open Data API

Important: Rankings are based solely on Medicare procedure volume and do not reflect quality of care, patient outcomes, or procedures covered by private insurance. This data represents approximately one-third to 40% of all joint replacement procedures nationwide. Always consult with healthcare providers to make informed decisions about your care.