#21 Knee
#42 Hip

Dr. Gregory Stocks, M.D.

Orthopedic Surgery
165 procedures 5 hospitals Houston, TX
Latest available Medicare data — updated April 2026
Top 10% Nationally
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 46 vs 36 avg (4,526 surgeons)
Knee 119 vs 45 avg (6,720 surgeons)

Dr. Gregory Stocks is a board-certified orthopedic surgeon practicing in Houston, Texas. Dr. Stocks has performed 119 Medicare-verified knee replacements (#21 in Texas) and 46 hip replacements, for a combined total of 165 procedures.

In Texas, Dr. Stocks performs well above average in knee (119 vs 41 avg), above average in hip (46 vs 30 avg).

Dr. Stocks's reported Medicare volume is split between knee replacements (119 cases) and hip replacements (46 cases).

Houston is home to 52 orthopedic surgeons in the current Medicare dataset. Patients in the Houston area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Stocks extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 142 to 165 in the most recent data, a 16% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Stocks's 119 verified procedures is more than 2x the national average of 45.

Verified Medicare Cases

Knee Replacement
119 verified cases
#21 in Texas
Hip Replacement
46 verified cases
#42 in Texas
Estimated total: 450 – 500 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. Stocks Compares

Procedure volume compared to the Texas state average.

Hip High
46 Avg: 30
Knee Very High
119 Avg: 41
Dr. Stocks Texas Average

Contact & Location

7401 South Main St
Houston, TX 77030
NPI: 1861480238
Credentials: M.D.
Active Medicare provider
Find Practice on Google Maps

Volume Trend Analysis

Dr. Stocks's Medicare-recorded procedure volume has trended upward over 11 years, increasing 16% from 142 procedures in 2013 to 165 in the most recent data.

Years of Data 11
2023 Volume 165
Peak Volume 190 (2019)
Trend Growing

Hospital Affiliations & Quality

H
Texas Orthopedic Hospital
Houston, TX
Better than national avg
H
Memorial Hermann Hospital System
★★★☆☆
Houston, TX
Similar to national avg
H
Houston Methodist The Woodlands Hospital
★★★★★
The Woodlands, TX
Similar to national avg
H
Houston Methodist Hospital
★★★★★
Houston, TX
Similar to national avg
H
Memorial Hermann Houston Physicians Hospital
Webster, 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. Stocks

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

Dr. Stocks has performed 165 Medicare-verified joint replacement procedures. This is more than 2x the Texas average of 56 procedures per surgeon. Dr. Stocks ranks #28 out of 573 orthopedic surgeons in Texas.

What types of joint replacement does Dr. Stocks perform?

Dr. Stocks's Medicare data shows procedures in knee replacement (119 cases) and hip replacement (46 cases).

Are there other orthopedic surgeons near Dr. Stocks in Houston?

Yes. There are 52 orthopedic surgeons in Houston 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. Stocks 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. Stocks's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 165 procedures shown here.

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

Yes. Dr. Stocks's Medicare-recorded volume has increased from 142 procedures in 2013 to 165 in the most recent data, a 16% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 190 procedures in 2019.

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

Yes. Dr. Stocks's Medicare data shows procedures in knee replacement (119 cases), hip replacement (46 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Stocks affiliated with?

According to CMS facility affiliation data, Dr. Stocks is affiliated with Texas Orthopedic Hospital, Memorial Hermann Hospital System, Houston Methodist The Woodlands Hospital, Houston Methodist Hospital, Memorial Hermann Houston Physicians Hospital.

How does Dr. Stocks compare to other orthopedic surgeons in Houston?

Among the 52 orthopedic surgeons in Houston, Dr. Stocks ranks #4 by total Medicare procedure volume. The highest-volume surgeon in Houston has 358 verified Medicare procedures.

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

Texas Orthopedic Hospital (hip/knee complication rate better than national average); Memorial Hermann Hospital System (3 out of 5 CMS stars, hip/knee complication rate similar to national average); 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.

Other Orthopedic Surgeons in Houston, Texas

Dr. Stocks's 165 Medicare procedures are below the Houston average of 187. The table below compares verified procedure volumes for orthopedic surgeons practicing in Houston.

SurgeonProceduresSpecialties
Dr. Stefan Kreuzer 358 Hip, Knee
Dr. Robin Goytia 198 Hip, Knee
Dr. Vasilios Mathews 182 Hip, Knee
Dr. Kenneth Mathis 147 Hip, Knee
Dr. Ugonna Ihekweazu 131 Hip, Knee
Dr. Anay Patel 127 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. Gregory Stocks, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/tx/dr-gregory-stocks-houston.html

Link: https://orthoprocedures.com/surgeons/tx/dr-gregory-stocks-houston.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.