Dr. Aaron Baxter, M.D.

Orthopedic Surgery

55 procedures2 hospitalsThornton, COUpdated May 2026

Contact & Location

303-453-2997
Phone: 303-453-2997
Practice phone listed in the NPI registry
9195 Grant St, Suite 120
Thornton, CO 80229
Current practice address per the CMS NPPES registry (self-reported to the registry, last updated April 2012). Registry checked August 2026.
NPI: 1174557318
Credentials: M.D.
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
National Comparison by Procedure
Hip 15 vs 36 national avg 0.4x
avg
Knee 40 vs 45 national avg 0.9x
avg

Compared with 4,542 hip surgeons and 6,612 knee surgeons in the 2024 Medicare dataset.

Dr. Baxter performs more knee replacement procedures than 52% of orthopedic surgeons in Colorado, based on 2024 Medicare claims volume.Derived from the state ranking shown on this page: #56 of 118 ranked knee surgeons in Colorado.

About Dr. Baxter

Practice. Dr. Aaron Baxter is a board-certified orthopedic surgeon practicing in Thornton, Colorado. The latest annual CMS data records 40 knee replacements and 15 hip replacements, 55 procedures in all. That is #56 in Colorado for knee replacement. A Medicare provider since 2006.

Trend. Medicare records run from 2015 to 2024, 10 years. Volume rose from 29 procedures a year to 55, up 90%.

National context. Among 6,612 knee replacement surgeons tracked nationally, 40 procedures is near the national average of 45.

Local context. Thornton has 2 orthopedic surgeons in the current Medicare data. Comparing volume and procedure mix across them is one way to narrow a shortlist.

Verified Medicare Cases

Knee Replacement
40 verified cases
#56 in Colorado
Hip Replacement
15 verified cases
#78 in Colorado
Estimated 2024 total: 190 – 230 procedures (all insurers)
Medicare fee-for-service share of national volume in 2024: 23% to 28% for knee replacement, 25% to 33% for hip replacement
How is this estimated?

Medicare Part B fee-for-service claims are one payer stream among several, and the share they represent differs by procedure. In 2024 it was 23% to 28% for knee replacement, 25% to 33% for hip replacement. Each verified count above is divided by its own procedure's range, and the results are added, to estimate total practice volume across all payers. The verified Medicare count is the definitive, audited figure; this is a range derived from published national volume projections, not a measurement, and an individual practice can sit well outside it: how these ranges are derived, and their sources.

How Dr. Baxter Compares

Procedure volume compared to the Colorado state average.

Hip Below Avg
15 Avg: 38
Knee Average
40 Avg: 48
Dr. Baxter Colorado Average

Volume Trend Analysis

Dr. Baxter's Medicare-recorded procedure volume has trended upward over 10 years, increasing 90% from 29 procedures in 2015 to 55 in the most recent data.

Years of Data 10
2024 Volume 55
Peak Volume 55 (2024)
Trend Growing

Hospital Affiliations & Quality

H
Intermountain Health Platte Valley Hospital
3/5
Brighton, CO
Low case volume
H
Longmont United Hospital
4/5
Longmont, CO
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.

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. Baxter

How does Dr. Baxter's procedure volume compare to other Colorado surgeons?

Dr. Baxter has performed 55 Medicare-verified joint replacement procedures. This is in line with the Colorado average of 64 procedures per surgeon. Dr. Baxter ranks #75 out of 169 orthopedic surgeons in Colorado.

What types of joint replacement does Dr. Baxter perform?

Dr. Baxter's Medicare data shows procedures in knee replacement (40 cases) and hip replacement (15 cases).

Are there other orthopedic surgeons near Dr. Baxter in Thornton?

Yes. There are 2 orthopedic surgeons in Thornton 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 Colorado surgeons.

What does the Medicare data for Dr. Baxter represent?

The procedure counts shown are based on 2024 Medicare Part B fee-for-service claims data, published by the Centers for Medicare and Medicaid Services (CMS). Medicare fee-for-service is only one payer stream, and the share of national volume it represents differs by procedure. In 2024 the share was 23% to 28% for knee replacement, 25% to 33% for hip replacement, which puts Dr. Baxter's total volume across all insurers at roughly 190 to 230 procedures against the 55 verified here. Those shares are derived from published national volume projections rather than quoted from a single publication, and they are estimates with real uncertainty. The OrthoProcedures methodology page shows the full derivation, the sources, and the limits at orthoprocedures.com/data-methodology.html.

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

Yes. Dr. Baxter's Medicare-recorded volume has increased from 29 procedures in 2015 to 55 in the most recent data, a 90% increase over 10 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 55 procedures in 2024.

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

Yes. Dr. Baxter's Medicare data shows procedures in knee replacement (40 cases), hip replacement (15 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Baxter affiliated with?

According to CMS facility affiliation data, Dr. Baxter is affiliated with Intermountain Health Platte Valley Hospital, Longmont United Hospital.

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

Intermountain Health Platte Valley Hospital (3 out of 5 CMS stars, insufficient case volume for complication rate comparison); Longmont United Hospital (4 out of 5 CMS stars, 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 Thornton, Colorado

Dr. Baxter's 55 Medicare procedures are above the Thornton average of 34. The table below compares verified procedure volumes for orthopedic surgeons practicing in Thornton.

SurgeonProceduresSpecialties
Dr. Oscar Noel 13 Knee

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. Aaron Baxter, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/co/dr-aaron-baxter-thornton.html

Link: https://orthoprocedures.com/surgeons/co/dr-aaron-baxter-thornton.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.