Dr. Vince Lai, MD

Orthopedic Surgery
20 procedures 1 hospital Saint Louis, MO

Contact & Location

314-567-5850
Phone: 314-567-5850
Practice phone listed in the NPI registry
621 S New Ballas Rd Ste 3005b
Saint Louis, MO 63141
NPI: 1669734851
Credentials: MD
Active Medicare provider (NPI verified)
14 years of practice experience
Licensed MD
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
National Comparison by Procedure
Knee 20 vs 45 national avg (6,599 surgeons)

About Dr. Lai

Dr. Vince Lai is a board-certified orthopedic surgeon practicing in Saint Louis, Missouri. A Medicare provider since 2012, Dr. Lai performed 20 Medicare-verified knee replacements in the latest annual CMS data, ranking #128 in Missouri.

In Missouri, Dr. Lai performs below the state average in knee (20 vs 42).

Dr. Lai's Medicare data shows a focused knee replacement practice with 20 verified procedures. Surgeons who concentrate on a single procedure type often develop deep procedural expertise, though total practice volume may include additional procedures not captured in Medicare fee-for-service data.

Beyond general orthopedic surgery, Dr. Lai holds additional credentials in Sports Medicine, reflecting subspecialty training that may benefit patients with complex joint conditions.

Saint Louis is home to 57 orthopedic surgeons in the current Medicare dataset. Patients in the Saint Louis area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Lai first appears in the Medicare dataset in 2023. With 2 years of recorded data, the longitudinal trend is still developing.

Dr. Lai's 20 knee replacement procedures is below the national average of 45 among 6,599 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Knee Replacement
20 verified cases
#128 in Missouri
Estimated total: 50 – 60 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. Lai Compares

Procedure volume compared to the Missouri state average.

Knee Below Avg
20 Avg: 42
Dr. Lai Missouri Average

Volume Trend Analysis

Dr. Lai has 2 years of Medicare procedure data beginning in 2023. Additional years of data will provide a clearer picture of volume trends.

Years of Data 2
2024 Volume 20
Peak Volume 20 (2024)
Trend Developing

Hospital Affiliations & Quality

H
Mercy Hospital St Louis
3/5
Saint Louis, 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.

Patient Resources: Preparing for Knee Replacement

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

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. Lai

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

Dr. Lai has performed 20 Medicare-verified joint replacement procedures. The Missouri average is 59 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Lai ranks #168 out of 204 orthopedic surgeons in Missouri.

What types of joint replacement does Dr. Lai perform?

Dr. Lai's reported Medicare volume is focused on knee replacement, with 20 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Lai in Saint Louis?

Yes. There are 57 orthopedic surgeons in Saint Louis 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. Lai 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. Lai's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 20 procedures shown here.

Which hospitals is Dr. Lai affiliated with?

According to CMS facility affiliation data, Dr. Lai is affiliated with Mercy Hospital St Louis.

How does Dr. Lai compare to other orthopedic surgeons in Saint Louis?

Among the 57 orthopedic surgeons in Saint Louis, Dr. Lai ranks #49 by total Medicare procedure volume. The highest-volume surgeon in Saint Louis has 279 verified Medicare procedures.

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

Mercy Hospital St Louis (3 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 Saint Louis, Missouri

Dr. Lai's 20 Medicare procedures are below the Saint Louis average of 144. The table below compares verified procedure volumes for orthopedic surgeons practicing in Saint Louis.

SurgeonProceduresSpecialties
Dr. Ryan Nunley 279 Hip, Knee
Dr. Christopher Palmer 160 Hip, Knee
Dr. Michael Hubbard 144 Hip, Knee, Shoulder
Dr. Coles L'hommedieu 139 Hip, Knee
Dr. Ilya Bendich 137 Hip, Knee
Dr. Christopher Mudd 132 Hip, Knee

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. Vince Lai, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/mo/dr-vince-lai-saint-louis.html

Link: https://orthoprocedures.com/surgeons/mo/dr-vince-lai-saint-louis.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.