#97 Hip
#120 Knee

Dr. Nicholas Wilson, M.D.

Orthopedic Surgery
31 procedures 3 hospitals O Fallon, MO
Latest available Medicare data — updated April 2026
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 12 vs 36 avg (4,526 surgeons)
Knee 19 vs 45 avg (6,720 surgeons)

Dr. Nicholas Wilson is a board-certified orthopedic surgeon practicing in O Fallon, Missouri. A Medicare provider since 2014, Dr. Wilson has performed 19 Medicare-verified knee replacements (#120 in Missouri) and 12 hip replacements, for a combined total of 31 procedures.

In Missouri, Dr. Wilson performs below average in knee (19 vs 43 avg), below average in hip (12 vs 30 avg).

Dr. Wilson's reported Medicare volume is split between knee replacements (19 cases) and hip replacements (12 cases).

O Fallon is home to 6 orthopedic surgeons in the current Medicare dataset. Patients in the O Fallon area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Wilson's Medicare data spans 5 years, beginning in 2019. Volume peaked at 87 procedures in 2020 before settling at 31 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Dr. Wilson's 19 knee replacement procedures is below the national average of 45 among 6,720 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Knee Replacement
19 verified cases
#120 in Missouri
Hip Replacement
12 verified cases
#97 in Missouri
Estimated total: 80 – 90 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. Wilson Compares

Procedure volume compared to the Missouri state average.

Hip Below Avg
12 Avg: 30
Knee Below Avg
19 Avg: 43
Dr. Wilson Missouri Average

Contact & Location

Phone: 636-561-0871
9323 Phoenix Village Pkwy
O Fallon, MO 63368
NPI: 1902225766
Credentials: M.D.
Active Medicare provider (NPI verified)
12 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Wilson's recorded volume peaked at 87 procedures in 2020 and stood at 31 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 5
2023 Volume 31
Peak Volume 87 (2020)
Trend Declining

Hospital Affiliations & Quality

H
Progress West Hospital
★★★☆☆
O Fallon, MO
Similar to national avg
H
Barnes-Jewish St Peters Hospital
★★★★☆
Saint Peters, MO
Similar to national avg
H
St Lukes Hospital
★★★★☆
Chesterfield, MO
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.

Knee Replacement Recovery Overview

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

Week 1-2 Walking with assistive device. Knee bending exercises begin immediately. Ice therapy and elevation for swelling control.
Week 3-6 Increased range of motion (target 90 degrees). Walking longer distances. Physical therapy intensifies with strengthening exercises.
Week 7-12 Most patients walk without assistive devices. Resume driving and desk work. Continue PT for strength and flexibility.
Month 4-6 Near-full recovery. Resume most recreational activities. Some swelling and stiffness may persist but continues improving.

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

Frequently Asked Questions About Dr. Wilson

How does Dr. Wilson's procedure volume compare to other Missouri surgeons?

Dr. Wilson has performed 31 Medicare-verified joint replacement procedures. The Missouri average is 56 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Wilson ranks #129 out of 199 orthopedic surgeons in Missouri.

What types of joint replacement does Dr. Wilson perform?

Dr. Wilson's Medicare data shows procedures in knee replacement (19 cases) and hip replacement (12 cases).

Are there other orthopedic surgeons near Dr. Wilson in O Fallon?

Yes. There are 6 orthopedic surgeons in O Fallon 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 Missouri surgeons.

What does the Medicare data for Dr. Wilson 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. Wilson's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 31 procedures shown here.

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

Dr. Wilson's Medicare-recorded volume peaked at 87 procedures in 2020 and was 31 in the most recent data. Volume fluctuations can reflect changes in payer mix, practice focus, or Medicare reporting rather than a change in overall surgical activity.

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

Yes. Dr. Wilson's Medicare data shows procedures in knee replacement (19 cases), hip replacement (12 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Wilson affiliated with?

According to CMS facility affiliation data, Dr. Wilson is affiliated with Progress West Hospital, Barnes-Jewish St Peters Hospital, St Lukes Hospital.

How does Dr. Wilson compare to other orthopedic surgeons in O Fallon?

Among the 6 orthopedic surgeons in O Fallon, Dr. Wilson ranks #4 by total Medicare procedure volume. The highest-volume surgeon in O Fallon has 104 verified Medicare procedures.

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

Progress West Hospital (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Barnes-Jewish St Peters Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average); St Lukes 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 O Fallon, Missouri

Dr. Wilson's 31 Medicare procedures are below the O Fallon average of 48. The table below compares verified procedure volumes for orthopedic surgeons practicing in O Fallon.

SurgeonProceduresSpecialties
Dr. Robert Sciortino 104 Hip, Knee
Dr. Anthony Berni 72 Hip, Knee
Dr. Kevin Quigley 43 Knee, Shoulder
Dr. Matthew Melander 20 Knee
Dr. Christine Piper 15 Shoulder

Patient Reviews & Ratings

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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. Nicholas Wilson, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/mo/dr-nicholas-wilson-o-fallon.html

Link: https://orthoprocedures.com/surgeons/mo/dr-nicholas-wilson-o-fallon.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.