Dr. John Sparks, M.D.

Orthopedic Surgery
52 procedures 4 hospitals Conroe, TX
Latest available Medicare data — updated April 2026

Contact & Location

Phone: 936-539-2663
Practice phone listed in the NPI registry
1020 Riverwood Ct.
Conroe, TX 77304
NPI: 1558353177
Credentials: M.D.
Active Medicare provider (NPI verified)
21 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety, all under $50
National Comparison by Procedure
Hip 17 vs 36 avg (4,532 surgeons)
Knee 35 vs 45 avg (6,599 surgeons)

Dr. John Sparks is a board-certified orthopedic surgeon practicing in Conroe, Texas. A Medicare provider since 2005, Dr. Sparks has performed 35 Medicare-verified knee replacements (#209 in Texas) and 17 hip replacements, for a combined total of 52 procedures.

In Texas, Dr. Sparks performs near average in knee (35 vs 42 avg), below average in hip (17 vs 31 avg).

Dr. Sparks's reported Medicare volume is split between knee replacements (35 cases) and hip replacements (17 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.

Dr. Sparks's Medicare record spans 12 years from 2013 through 2024. Procedure volume has remained consistent during that period, ranging from 28 to 78 procedures per year, reflecting a steady joint replacement practice.

Dr. Sparks's 35 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
35 verified cases
#209 in Texas
Hip Replacement
17 verified cases
#196 in Texas
Estimated total: 140 – 160 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
17 Avg: 31
Knee Average
35 Avg: 42
Dr. Sparks Texas Average

Volume Trend Analysis

Dr. Sparks's procedure volume has been consistent across 12 years of Medicare data, ranging from 28 to 78 procedures per year. This stability suggests a well-established joint replacement practice.

Years of Data 12
2024 Volume 52
Peak Volume 78 (2023)
Trend Stable

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
5/5
The Woodlands, TX
Similar to national avg
H
Memorial Hermann Northeast Hospital
3/5
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.

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. Sparks

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

Dr. Sparks has performed 52 Medicare-verified joint replacement procedures. This is in line with the Texas average of 57 procedures per surgeon. Dr. Sparks ranks #227 out of 582 orthopedic surgeons in Texas.

What types of joint replacement does Dr. Sparks perform?

Dr. Sparks's Medicare data shows procedures in knee replacement (35 cases) and hip replacement (17 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 52 procedures shown here.

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

Dr. Sparks's procedure volume has been relatively stable over 12 years of Medicare data, ranging from 28 to 78 procedures per year between 2013 and 2024. Consistent volume over multiple years reflects a steady joint replacement practice.

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

Yes. Dr. Sparks's Medicare data shows procedures in knee replacement (35 cases), hip replacement (17 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 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. 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.