Dr. David Allmacher, MD

Orthopedic Surgery
231 procedures 5 hospitals Missoula, MT
Latest available Medicare data — updated April 2026
Growing Volume Top 10% Nationally

Contact & Location

Phone: 406-721-4436
Practice phone listed in the NPI registry
2360 Mullan Rd Ste C
Missoula, MT 59808
NPI: 1295878890
Credentials: MD
Active Medicare provider (NPI verified)
19 years of practice experience
Licensed MD
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 77 vs 36 avg (4,532 surgeons)
Knee 154 vs 45 avg (6,599 surgeons)

Dr. David Allmacher is a board-certified orthopedic surgeon practicing in Missoula, Montana. A Medicare provider since 2007, Dr. Allmacher has performed 154 Medicare-verified knee replacements (#3 in Montana) and 77 hip replacements, for a combined total of 231 procedures.

In Montana, Dr. Allmacher performs well above average in knee (154 vs 61 avg), above average in hip (77 vs 51 avg).

Dr. Allmacher's reported Medicare volume is split between knee replacements (154 cases) and hip replacements (77 cases).

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. Allmacher extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 149 to 231 in the most recent data, a 55% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,599 knee replacement surgeons tracked nationally, Dr. Allmacher's 154 verified procedures is more than 3x the national average of 45, ranking #157 nationally.

Verified Medicare Cases

Knee Replacement
154 verified cases
#3 in Montana
Hip Replacement
77 verified cases
#4 in Montana
Estimated total: 620 – 700 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. Allmacher Compares

Procedure volume compared to the Montana state average.

Hip High
77 Avg: 51
Knee Very High
154 Avg: 61
Dr. Allmacher Montana Average

Volume Trend Analysis

Dr. Allmacher's Medicare-recorded procedure volume has trended upward over 12 years, increasing 55% from 149 procedures in 2013 to 231 in the most recent data.

Years of Data 12
2024 Volume 231
Peak Volume 247 (2023)
Trend Growing

Hospital Affiliations & Quality

H
St Patrick Hospital
5/5
Missoula, MT
Similar to national avg
H
Community Medical Center
4/5
Missoula, MT
Low case volume
H
St Luke Community Hospital
Ronan, MT
Low case volume
H
Providence St Joseph Medical Center
Polson, MT
Low case volume
H
St Peters Health
4/5
Helena, MT
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.

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. Allmacher

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

Dr. Allmacher has performed 231 Medicare-verified joint replacement procedures. This is more than 2x the Montana average of 81 procedures per surgeon. Dr. Allmacher ranks #3 out of 39 orthopedic surgeons in Montana.

What types of joint replacement does Dr. Allmacher perform?

Dr. Allmacher's Medicare data shows procedures in knee replacement (154 cases) and hip replacement (77 cases).

How experienced is Dr. Allmacher with knee replacement surgery?

Dr. Allmacher ranks #3 in Montana for knee replacement with 154 Medicare-verified procedures. This high ranking among 39 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Allmacher 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. Allmacher 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. Allmacher's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 231 procedures shown here.

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

Yes. Dr. Allmacher's Medicare-recorded volume has increased from 149 procedures in 2013 to 231 in the most recent data, a 55% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 247 procedures in 2023.

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

Yes. Dr. Allmacher's Medicare data shows procedures in knee replacement (154 cases), hip replacement (77 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Allmacher affiliated with?

According to CMS facility affiliation data, Dr. Allmacher is affiliated with St Patrick Hospital, Community Medical Center, St Luke Community Hospital, Providence St Joseph Medical Center, St Peters Health.

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

Among the 9 orthopedic surgeons in Missoula, Dr. Allmacher ranks #1 by total Medicare procedure volume. Dr. Allmacher has the highest verified Medicare volume in the city.

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

St Patrick Hospital (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Community Medical Center (4 out of 5 CMS stars, insufficient case volume for complication rate comparison); St Luke Community Hospital (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 Missoula, Montana

Dr. Allmacher's 231 Medicare procedures are above the Missoula average of 121. The table below compares verified procedure volumes for orthopedic surgeons practicing in Missoula.

SurgeonProceduresSpecialties
Dr. Mark Channer 181 Hip, Knee
Dr. Daniel Whiting 167 Hip, Knee
Dr. Gary Willstein 97 Hip, Knee, Shoulder
Dr. Christopher Price 80 Hip, Knee, Shoulder
Dr. Larry Stayner 49 Knee, Shoulder
Dr. Justin Jacobson 44 Shoulder

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. David Allmacher, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/mt/dr-david-allmacher-missoula.html

Link: https://orthoprocedures.com/surgeons/mt/dr-david-allmacher-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.