Dr. Charles Crellin, M.D.
Dr. Charles Crellin is a board-certified orthopedic surgeon practicing in Billings, Montana. A Medicare provider since 2016, Dr. Crellin has performed 36 Medicare-verified hip replacements (#14 in Montana) and 32 knee replacements, for a combined total of 68 procedures.
In Montana, Dr. Crellin performs below average in hip (36 vs 54 avg), below average in knee (32 vs 58 avg).
Dr. Crellin's reported Medicare volume is split between hip replacements (36 cases) and knee replacements (32 cases).
Billings is home to 10 orthopedic surgeons in the current Medicare dataset. Patients in the Billings area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Crellin first appears in the Medicare dataset in 2022. With 2 years of recorded data, the longitudinal trend is still developing.
Among 4,526 hip replacement surgeons tracked nationally, Dr. Crellin's 36 verified procedures is near the national average of 36.
Verified Medicare Cases
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. Crellin Compares
Procedure volume compared to the Montana state average.
Contact & Location
Billings, MT 59101
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Crellin has 2 years of Medicare procedure data beginning in 2022. Additional years of data will provide a clearer picture of volume trends.
Hospital Affiliations & Quality
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 Hip Replacement
If you are considering hip replacement surgery, these evidence-based guides can help you prepare and recover:
Understanding the progression from conservative treatments to surgical intervention, and how to determine when hip replacement becomes the right choice.
What to Expect on the Day of SurgeryA step-by-step walkthrough of your surgical day, from pre-op preparation through anesthesia, the procedure itself, and the first hours of recovery.
Home Safety: Creating Your Recovery SanctuaryRoom-by-room modifications, equipment recommendations, and fall-prevention strategies to prepare your home for a safe post-surgical recovery.
Medicare Coverage for Joint ReplacementWhat Medicare Part A and Part B cover for joint replacement surgery, including hospital stays, surgeon fees, anesthesia, and physical therapy.
Hip Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after hip replacement surgery:
Individual recovery varies based on overall health, age, and adherence to physical therapy. View full hip replacement recovery guide and product recommendations
Frequently Asked Questions About Dr. Crellin
How does Dr. Crellin's procedure volume compare to other Montana surgeons?
Dr. Crellin has performed 68 Medicare-verified joint replacement procedures. This is in line with the Montana average of 81 procedures per surgeon. Dr. Crellin ranks #19 out of 45 orthopedic surgeons in Montana.
What types of joint replacement does Dr. Crellin perform?
Dr. Crellin's Medicare data shows procedures in hip replacement (36 cases) and knee replacement (32 cases).
How experienced is Dr. Crellin with hip replacement surgery?
Dr. Crellin ranks #14 in Montana for hip 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. Crellin in Billings?
Yes. There are 10 orthopedic surgeons in Billings 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. Crellin 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. Crellin's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 68 procedures shown here.
Does Dr. Crellin perform more than one type of joint replacement?
Yes. Dr. Crellin's Medicare data shows procedures in hip replacement (36 cases), knee replacement (32 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Crellin affiliated with?
According to CMS facility affiliation data, Dr. Crellin is affiliated with Corewell Health Grand Rapids Hospitals Butterworth, Corewell Health Pennock Hospital. Dr. Crellin maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.
How does Dr. Crellin compare to other orthopedic surgeons in Billings?
Among the 10 orthopedic surgeons in Billings, Dr. Crellin ranks #6 by total Medicare procedure volume. The highest-volume surgeon in Billings has 263 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Crellin practices?
Corewell Health Grand Rapids Hospitals Butterworth (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Corewell Health Pennock Hospital (3 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 Billings, Montana
Dr. Crellin's 68 Medicare procedures are below the Billings average of 141. The table below compares verified procedure volumes for orthopedic surgeons practicing in Billings.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Michael Groover | 263 | Hip, Knee |
| Dr. Zachary Scheer | 256 | Hip, Knee |
| Dr. Matthew Kopplin | 143 | Hip, Knee |
| Dr. Steven Fischer | 117 | Hip, Knee |
| Dr. Steven Klepps | 78 | Shoulder |
| Dr. Whitney Robinson | 60 | Hip, Knee |
Patient Reviews & Ratings
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