#101 Knee
#163 Hip

Dr. John Sparks, M.D.

Orthopedic Surgery
78 procedures 4 hospitals Conroe, TX
Latest available Medicare data — updated April 2026
Rising Star
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 20 vs 36 avg (4,526 surgeons)
Knee 58 vs 45 avg (6,720 surgeons)

Dr. John Sparks is a board-certified orthopedic surgeon practicing in Conroe, Texas. Dr. Sparks has performed 58 Medicare-verified knee replacements (#101 in Texas) and 20 hip replacements, for a combined total of 78 procedures.

In Texas, Dr. Sparks performs above average in knee (58 vs 41 avg), below average in hip (20 vs 30 avg).

Dr. Sparks's reported Medicare volume is split between knee replacements (58 cases) and hip replacements (20 cases).

Dr. Sparks is the only orthopedic surgeon in Conroe represented in the current Medicare dataset, serving as the primary local option for patients considering joint replacement surgery in the area.

Medicare records for Dr. Sparks extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 50 to 78 in the most recent data, a 56% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Sparks's 58 verified procedures is above the national average of 45.

Verified Medicare Cases

Knee Replacement
58 verified cases
#101 in Texas
Hip Replacement
20 verified cases
#163 in Texas
Estimated total: 210 – 240 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. Sparks Compares

Procedure volume compared to the Texas state average.

Hip Below Avg
20 Avg: 30
Knee High
58 Avg: 41
Dr. Sparks Texas Average

Contact & Location

1020 Riverwood Ct.
Conroe, TX 77304
NPI: 1558353177
Credentials: M.D.
Active Medicare provider
Find Practice on Google Maps

Volume Trend Analysis

Dr. Sparks's Medicare-recorded procedure volume has trended upward over 11 years, increasing 56% from 50 procedures in 2013 to 78 in the most recent data.

Years of Data 11
2023 Volume 78
Peak Volume 78 (2023)
Trend Growing

Hospital Affiliations & Quality

H
St Lukes Lakeside Hospital
The Woodlands, TX
Low case volume
H
Aspire Hospital
Conroe, TX
H
Houston Methodist The Woodlands Hospital
★★★★★
The Woodlands, TX
Similar to national avg
H
Memorial Hermann Northeast Hospital
★★★☆☆
Humble, TX
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.

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. Sparks

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

Dr. Sparks has performed 78 Medicare-verified joint replacement procedures. This is in line with the Texas average of 56 procedures per surgeon. Dr. Sparks ranks #120 out of 573 orthopedic surgeons in Texas.

What types of joint replacement does Dr. Sparks perform?

Dr. Sparks's Medicare data shows procedures in knee replacement (58 cases) and hip replacement (20 cases).

Where is Dr. Sparks's practice located?

Dr. Sparks practices in Conroe, Texas. The office is located at 1020 Riverwood Ct., Conroe, TX 77304. Patients in the surrounding area can consult Dr. Sparks for joint replacement evaluation.

What does the Medicare data for Dr. Sparks 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. Sparks's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 78 procedures shown here.

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

Yes. Dr. Sparks's Medicare-recorded volume has increased from 50 procedures in 2013 to 78 in the most recent data, a 56% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 78 procedures in 2023.

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

Yes. Dr. Sparks's Medicare data shows procedures in knee replacement (58 cases), hip replacement (20 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Sparks affiliated with?

According to CMS facility affiliation data, Dr. Sparks is affiliated with St Lukes Lakeside Hospital, Aspire Hospital, Houston Methodist The Woodlands Hospital, Memorial Hermann Northeast Hospital.

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

St Lukes Lakeside Hospital (insufficient case volume for complication rate comparison); Houston Methodist The Woodlands Hospital (5 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.

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. John Sparks, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/tx/dr-john-sparks-conroe.html

Link: https://orthoprocedures.com/surgeons/tx/dr-john-sparks-conroe.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.