#5 Hip
#20 Knee

Dr. Oliver Nikolaus, MD

Orthopedic Surgery
112 procedures 1 hospital Salt Lake City, UT
Latest available Medicare data — updated April 2026
Rising Star
Hip replacement recovery kit Essentials every patient wishes they bought first
National Comparison by Procedure
Hip 59 vs 36 avg (4,526 surgeons)
Knee 53 vs 45 avg (6,720 surgeons)

Dr. Oliver Nikolaus is a board-certified orthopedic surgeon practicing in Salt Lake City, Utah. Dr. Nikolaus has performed 59 Medicare-verified hip replacements (#5 in Utah) and 53 knee replacements, for a combined total of 112 procedures.

In Utah, Dr. Nikolaus performs above average in hip (59 vs 35 avg), above average in knee (53 vs 42 avg).

Dr. Nikolaus's reported Medicare volume is split between hip replacements (59 cases) and knee replacements (53 cases).

Salt Lake City is home to 19 orthopedic surgeons in the current Medicare dataset. Patients in the Salt Lake City area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Nikolaus extend back to 2017, covering 7 years of data. Over that period, recorded procedure volume increased from 64 to 112 in the most recent data, a 75% increase. This sustained growth reflects an expanding joint replacement practice.

Among 4,526 hip replacement surgeons tracked nationally, Dr. Nikolaus's 59 verified procedures is above the national average of 36.

Verified Medicare Cases

Hip Replacement
59 verified cases
#5 in Utah
Knee Replacement
53 verified cases
#20 in Utah
Estimated total: 300 – 340 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. Nikolaus Compares

Procedure volume compared to the Utah state average.

Hip High
59 Avg: 35
Knee High
53 Avg: 42
Dr. Nikolaus Utah Average

Contact & Location

1160 E 3900 S Ste 5000
Salt Lake City, UT 84124
NPI: 1700149572
Credentials: MD
Active Medicare provider
Find Practice on Google Maps

Volume Trend Analysis

Dr. Nikolaus's Medicare-recorded procedure volume has trended upward over 7 years, increasing 75% from 64 procedures in 2017 to 112 in the most recent data.

Years of Data 7
2023 Volume 112
Peak Volume 148 (2022)
Trend Growing

Hospital Affiliations & Quality

H
St Mark'S Hospital
★★★★☆
Salt Lake City, UT
Similar to national avg

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.

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. Nikolaus

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

Dr. Nikolaus has performed 112 Medicare-verified joint replacement procedures. This is significantly above the Utah average of 59 procedures per surgeon. Dr. Nikolaus ranks #13 out of 89 orthopedic surgeons in Utah.

What types of joint replacement does Dr. Nikolaus perform?

Dr. Nikolaus's Medicare data shows procedures in hip replacement (59 cases) and knee replacement (53 cases).

How experienced is Dr. Nikolaus with hip replacement surgery?

Dr. Nikolaus ranks #5 in Utah for hip replacement with 59 Medicare-verified procedures. This high ranking among 89 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Nikolaus in Salt Lake City?

Yes. There are 19 orthopedic surgeons in Salt Lake City 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. Nikolaus 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. Nikolaus's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 112 procedures shown here.

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

Yes. Dr. Nikolaus's Medicare-recorded volume has increased from 64 procedures in 2017 to 112 in the most recent data, a 75% increase over 7 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 148 procedures in 2022.

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

Yes. Dr. Nikolaus's Medicare data shows procedures in hip replacement (59 cases), knee replacement (53 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Nikolaus affiliated with?

According to CMS facility affiliation data, Dr. Nikolaus is affiliated with St Mark'S Hospital.

How does Dr. Nikolaus compare to other orthopedic surgeons in Salt Lake City?

Among the 19 orthopedic surgeons in Salt Lake City, Dr. Nikolaus ranks #2 by total Medicare procedure volume. Dr. Nikolaus is among the highest-volume surgeons in Salt Lake City.

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

St Mark'S Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.

Other Orthopedic Surgeons in Salt Lake City, Utah

Dr. Nikolaus's 112 Medicare procedures are above the Salt Lake City average of 91. The table below compares verified procedure volumes for orthopedic surgeons practicing in Salt Lake City.

SurgeonProceduresSpecialties
Dr. Jeremy Gililland 118 Hip, Knee
Dr. Christopher Peters 101 Hip, Knee
Dr. Christopher Pelt 92 Hip, Knee
Dr. Adam Bergeson 89 Hip, Knee
Dr. Russell Nelson 66 Hip, Knee
Dr. Robert Tashjian 61 Shoulder

Patient Reviews & Ratings

OrthoProcedures.com focuses on verified Medicare procedure data. For patient reviews, ratings, and appointment scheduling, visit these trusted platforms:

These links lead to third-party websites. OrthoProcedures.com is not affiliated with these platforms and cannot verify the accuracy of reviews.

Cite This Data

APA: OrthoProcedures. (2026). Dr. Oliver Nikolaus, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ut/dr-oliver-nikolaus-salt-lake-city.html

Link: https://orthoprocedures.com/surgeons/ut/dr-oliver-nikolaus-salt-lake-city.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.