#19 in Montana
Knee

Dr. Colin Sherrill, M.D.

Orthopedic Surgery
36 procedures Missoula, MT
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
Knee 36 vs 45 avg (6,720 surgeons)

Dr. Colin Sherrill is a board-certified orthopedic surgeon practicing in Missoula, Montana. A Medicare provider since 2006, Dr. Sherrill has performed 36 Medicare-verified knee replacements, ranking #19 in Montana.

In Montana, Dr. Sherrill performs below average in knee (36 vs 58 avg).

Dr. Sherrill's Medicare data shows a focused knee replacement practice with 36 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.

Missoula is home to 9 orthopedic surgeons in the current Medicare dataset. Patients in the Missoula area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Sherrill extend back to 2014, covering 7 years of data. Over that period, recorded procedure volume increased from 13 to 36 in the most recent data, a 177% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Sherrill's 36 verified procedures is near the national average of 45.

Verified Medicare Cases

Knee Replacement
36 verified cases
#19 in Montana
Estimated total: 100 – 110 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. Sherrill Compares

Procedure volume compared to the Montana state average.

Knee Below Avg
36 Avg: 58
Dr. Sherrill Montana Average

Contact & Location

Phone: 406-721-4436
2360 Mullan Rd
Missoula, MT 59808
NPI: 1497734909
Credentials: M.D.
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Sports medicine specialist
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Sherrill's Medicare-recorded procedure volume has trended upward over 7 years, increasing 177% from 13 procedures in 2014 to 36 in the most recent data.

Years of Data 7
2023 Volume 36
Peak Volume 36 (2023)
Trend Growing

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. Sherrill

How does Dr. Sherrill's procedure volume compare to other Montana surgeons?

Dr. Sherrill has performed 36 Medicare-verified joint replacement procedures. The Montana average is 81 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Sherrill ranks #27 out of 45 orthopedic surgeons in Montana.

What types of joint replacement does Dr. Sherrill perform?

Dr. Sherrill's reported Medicare volume is focused on knee replacement, with 36 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

How experienced is Dr. Sherrill with knee replacement surgery?

Dr. Sherrill ranks #19 in Montana for knee replacement with 36 Medicare-verified procedures. This high ranking among 45 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Sherrill in Missoula?

Yes. There are 9 orthopedic surgeons in Missoula 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 Montana surgeons.

What does the Medicare data for Dr. Sherrill 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. Sherrill's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 36 procedures shown here.

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

Yes. Dr. Sherrill's Medicare-recorded volume has increased from 13 procedures in 2014 to 36 in the most recent data, a 177% increase over 7 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 36 procedures in 2023.

How does Dr. Sherrill compare to other orthopedic surgeons in Missoula?

Among the 9 orthopedic surgeons in Missoula, Dr. Sherrill ranks #8 by total Medicare procedure volume. The highest-volume surgeon in Missoula has 247 verified Medicare procedures.

Other Orthopedic Surgeons in Missoula, Montana

Dr. Sherrill's 36 Medicare procedures are below the Missoula average of 128. The table below compares verified procedure volumes for orthopedic surgeons practicing in Missoula.

SurgeonProceduresSpecialties
Dr. David Allmacher 247 Hip, Knee
Dr. Daniel Whiting 196 Hip, Knee
Dr. Mark Channer 176 Hip, Knee
Dr. Christopher Price 97 Hip, Knee, Shoulder
Dr. Gary Willstein 86 Hip, Knee, Shoulder
Dr. Justin Jacobson 55 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. Colin Sherrill, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/mt/dr-colin-sherrill-missoula.html

Link: https://orthoprocedures.com/surgeons/mt/dr-colin-sherrill-missoula.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.