#73 in Texas
Knee

Dr. Robert Dennis, MD

Orthopedic Surgery
68 procedures 2 hospitals Tyler, TX
Latest available Medicare data — updated April 2026
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Knee 68 vs 45 avg (6,720 surgeons)

Dr. Robert Dennis is a board-certified orthopedic surgeon practicing in Tyler, Texas. Dr. Dennis has performed 68 Medicare-verified knee replacements, ranking #73 in Texas.

In Texas, Dr. Dennis performs above average in knee (68 vs 41 avg).

Dr. Dennis's Medicare data shows a focused knee replacement practice with 68 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.

Tyler is home to 15 orthopedic surgeons in the current Medicare dataset. Patients in the Tyler area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Dennis extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 57 to 68 in the most recent data, a 19% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Dennis's 68 verified procedures is above the national average of 45.

Verified Medicare Cases

Knee Replacement
68 verified cases
#73 in Texas
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. Dennis Compares

Procedure volume compared to the Texas state average.

Knee High
68 Avg: 41
Dr. Dennis Texas Average

Contact & Location

3414 Golden Rd
Tyler, TX 75701
NPI: 1467448159
Credentials: MD
Active Medicare provider
Find Practice on Google Maps

Volume Trend Analysis

Dr. Dennis's Medicare-recorded procedure volume has trended upward over 11 years, increasing 19% from 57 procedures in 2013 to 68 in the most recent data.

Years of Data 11
2023 Volume 68
Peak Volume 68 (2023)
Trend Growing

Hospital Affiliations & Quality

H
Baylor Scott & White Texas Spine & Joint Hospital
★★★★★
Tyler, TX
Similar to national avg
H
Christus Mother Frances Hospital
★★★★☆
Tyler, TX
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. Dennis

How does Dr. Dennis's procedure volume compare to other Texas surgeons?

Dr. Dennis has performed 68 Medicare-verified joint replacement procedures. This is in line with the Texas average of 56 procedures per surgeon. Dr. Dennis ranks #150 out of 573 orthopedic surgeons in Texas.

What types of joint replacement does Dr. Dennis perform?

Dr. Dennis's reported Medicare volume is focused on knee replacement, with 68 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Dennis in Tyler?

Yes. There are 15 orthopedic surgeons in Tyler 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 Texas surgeons.

What does the Medicare data for Dr. Dennis 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. Dennis's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 68 procedures shown here.

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

Yes. Dr. Dennis's Medicare-recorded volume has increased from 57 procedures in 2013 to 68 in the most recent data, a 19% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 68 procedures in 2023.

Which hospitals is Dr. Dennis affiliated with?

According to CMS facility affiliation data, Dr. Dennis is affiliated with Baylor Scott & White Texas Spine & Joint Hospital, Christus Mother Frances Hospital.

How does Dr. Dennis compare to other orthopedic surgeons in Tyler?

Among the 15 orthopedic surgeons in Tyler, Dr. Dennis ranks #8 by total Medicare procedure volume. The highest-volume surgeon in Tyler has 452 verified Medicare procedures.

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

Baylor Scott & White Texas Spine & Joint Hospital (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Christus Mother Frances 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 Tyler, Texas

Dr. Dennis's 68 Medicare procedures are below the Tyler average of 155. The table below compares verified procedure volumes for orthopedic surgeons practicing in Tyler.

SurgeonProceduresSpecialties
Dr. Kenneth Kaminski 452 Hip, Knee
Dr. Andrew Hester 157 Hip, Knee
Dr. Thomas Volatile 116 Hip, Knee
Dr. Roger McCown 111 Hip, Knee
Dr. Joseph Conflitti 94 Hip, Knee
Dr. William Phillips 90 Hip, Knee

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. Robert Dennis, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/tx/dr-robert-dennis-tyler.html

Link: https://orthoprocedures.com/surgeons/tx/dr-robert-dennis-tyler.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.