#116 Knee
#265 Hip

Dr. James Heerwagen, MD

Orthopedic Surgery
66 procedures Flower Mound, 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
Hip 12 vs 36 avg (4,526 surgeons)
Knee 54 vs 45 avg (6,720 surgeons)

Dr. James Heerwagen is a board-certified orthopedic surgeon practicing in Flower Mound, Texas. Dr. Heerwagen has performed 54 Medicare-verified knee replacements (#116 in Texas) and 12 hip replacements, for a combined total of 66 procedures.

In Texas, Dr. Heerwagen performs above average in knee (54 vs 41 avg), below average in hip (12 vs 30 avg).

Dr. Heerwagen's practice is heavily focused on knee replacement surgery, which accounts for 82% of reported Medicare volume.

Flower Mound is home to 7 orthopedic surgeons in the current Medicare dataset. Patients in the Flower Mound area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Heerwagen's Medicare record spans 11 years from 2013 through 2023. Procedure volume has remained consistent during that period, ranging from 46 to 90 procedures per year, reflecting a steady joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Heerwagen's 54 verified procedures is above the national average of 45.

Verified Medicare Cases

Knee Replacement
54 verified cases
#116 in Texas
Hip Replacement
12 verified cases
#265 in Texas
Estimated total: 180 – 200 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. Heerwagen Compares

Procedure volume compared to the Texas state average.

Hip Below Avg
12 Avg: 30
Knee High
54 Avg: 41
Dr. Heerwagen Texas Average

Contact & Location

5000 Long Prairie Rd
Flower Mound, TX 75028
NPI: 1952359788
Credentials: MD
Active Medicare provider
Find Practice on Google Maps

Volume Trend Analysis

Dr. Heerwagen's procedure volume has been consistent across 11 years of Medicare data, ranging from 46 to 90 procedures per year. This stability suggests a well-established joint replacement practice.

Years of Data 11
2023 Volume 66
Peak Volume 90 (2017)
Trend Stable

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. Heerwagen

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

Dr. Heerwagen has performed 66 Medicare-verified joint replacement procedures. This is in line with the Texas average of 56 procedures per surgeon. Dr. Heerwagen ranks #157 out of 573 orthopedic surgeons in Texas.

What types of joint replacement does Dr. Heerwagen perform?

Dr. Heerwagen's Medicare data shows procedures in knee replacement (54 cases) and hip replacement (12 cases).

Are there other orthopedic surgeons near Dr. Heerwagen in Flower Mound?

Yes. There are 7 orthopedic surgeons in Flower Mound 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. Heerwagen 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. Heerwagen's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 66 procedures shown here.

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

Dr. Heerwagen's procedure volume has been relatively stable over 11 years of Medicare data, ranging from 46 to 90 procedures per year between 2013 and 2023. Consistent volume over multiple years reflects a steady joint replacement practice.

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

Yes. Dr. Heerwagen's Medicare data shows procedures in knee replacement (54 cases), hip replacement (12 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

How does Dr. Heerwagen compare to other orthopedic surgeons in Flower Mound?

Among the 7 orthopedic surgeons in Flower Mound, Dr. Heerwagen ranks #2 by total Medicare procedure volume. Dr. Heerwagen is among the highest-volume surgeons in Flower Mound.

Other Orthopedic Surgeons in Flower Mound, Texas

Dr. Heerwagen's 66 Medicare procedures are above the Flower Mound average of 40. The table below compares verified procedure volumes for orthopedic surgeons practicing in Flower Mound.

SurgeonProceduresSpecialties
Dr. John Evanich 68 Hip, Knee
Dr. Aaron Schrayer 53 Hip, Knee
Dr. Manuj Singhal 40 Knee
Dr. David Neal 25 Hip
Dr. Ian Wilkofsky 16 Shoulder
Dr. Jeffery Cantrell 12 Shoulder

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. James Heerwagen, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/tx/dr-james-heerwagen-flower-mound.html

Link: https://orthoprocedures.com/surgeons/tx/dr-james-heerwagen-flower-mound.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.