#453 in Texas
Knee

Dr. Galen Mills, MD

Orthopedic Surgery
13 procedures 4 hospitals San Antonio, 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 13 vs 45 avg (6,720 surgeons)

Dr. Galen Mills is a board-certified orthopedic surgeon practicing in San Antonio, Texas. Dr. Mills has performed 13 Medicare-verified knee replacements, ranking #453 in Texas.

In Texas, Dr. Mills performs below average in knee (13 vs 41 avg).

Dr. Mills's Medicare data shows a focused knee replacement practice with 13 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.

San Antonio is home to 46 orthopedic surgeons in the current Medicare dataset. Patients in the San Antonio area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs. Dr. Mills also maintains hospital privileges in WY and MT, indicating a regional practice that extends beyond Texas.

Dr. Mills first appears in the Medicare dataset in 2023. With 1 year of recorded data, the longitudinal trend is still developing.

Dr. Mills's 13 knee replacement procedures is below the national average of 45 among 6,720 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Knee Replacement
13 verified cases
#453 in Texas
Estimated total: 40 – 40 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. Mills Compares

Procedure volume compared to the Texas state average.

Knee Below Avg
13 Avg: 41
Dr. Mills Texas Average

Contact & Location

7703 Floyd Curl Dr
San Antonio, TX 78229
NPI: 1528565561
Credentials: MD
Active Medicare provider
Find Practice on Google Maps

Hospital Affiliations & Quality

H
Powell Valley Hospital
Powell, WY
Similar to national avg
H
Billings Clinic Hospital
★★★★☆
Billings, MT
Similar to national avg
H
Cody Regional Health
Cody, WY
Low case volume
H
North Big Horn Hospital District
Lovell, WY
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. Mills

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

Dr. Mills has performed 13 Medicare-verified joint replacement procedures. The Texas average is 56 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Mills ranks #525 out of 573 orthopedic surgeons in Texas.

What types of joint replacement does Dr. Mills perform?

Dr. Mills's reported Medicare volume is focused on knee replacement, with 13 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Mills in San Antonio?

Yes. There are 46 orthopedic surgeons in San Antonio 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. Mills 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. Mills's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 13 procedures shown here.

Which hospitals is Dr. Mills affiliated with?

According to CMS facility affiliation data, Dr. Mills is affiliated with Powell Valley Hospital, Billings Clinic Hospital, Cody Regional Health, North Big Horn Hospital District. Dr. Mills maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.

How does Dr. Mills compare to other orthopedic surgeons in San Antonio?

Among the 46 orthopedic surgeons in San Antonio, Dr. Mills ranks #40 by total Medicare procedure volume. The highest-volume surgeon in San Antonio has 350 verified Medicare procedures.

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

Powell Valley Hospital (hip/knee complication rate similar to national average); Billings Clinic Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Cody Regional Health (insufficient case volume for complication rate comparison). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.

Other Orthopedic Surgeons in San Antonio, Texas

Dr. Mills's 13 Medicare procedures are below the San Antonio average of 165. The table below compares verified procedure volumes for orthopedic surgeons practicing in San Antonio.

SurgeonProceduresSpecialties
Dr. Christopher Phelps 350 Hip, Knee, Shoulder
Dr. Bryan Kaiser 221 Hip, Knee
Dr. Richard Ursone 210 Hip, Knee, Shoulder
Dr. Robert Girling 141 Hip, Knee
Dr. Casey Taber 121 Hip, Knee
Dr. Sergio Viroslav 97 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. Galen Mills, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/tx/dr-galen-mills-san-antonio.html

Link: https://orthoprocedures.com/surgeons/tx/dr-galen-mills-san-antonio.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.