#14 Hip
#22 Knee

Dr. Charles Crellin, M.D.

Orthopedic Surgery
68 procedures 2 hospitals Billings, MT
Latest available Medicare data — updated April 2026
Hip replacement recovery kit Essentials every patient wishes they bought first
National Comparison by Procedure
Hip 36 vs 36 avg (4,526 surgeons)
Knee 32 vs 45 avg (6,720 surgeons)

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

Hip Replacement
36 verified cases
#14 in Montana
Knee Replacement
32 verified cases
#22 in Montana
Estimated total: 180 – 210 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. Crellin Compares

Procedure volume compared to the Montana state average.

Hip Below Avg
36 Avg: 54
Knee Below Avg
32 Avg: 58
Dr. Crellin Montana Average

Contact & Location

Phone: 616-267-8860
2900 12th Ave N Ste 140w
Billings, MT 59101
NPI: 1053773507
Credentials: M.D.
Active Medicare provider (NPI verified)
10 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

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.

Years of Data 2
2023 Volume 68
Peak Volume 68 (2023)
Trend Developing

Hospital Affiliations & Quality

H
Corewell Health Grand Rapids Hospitals Butterworth
★★★★★
Grand Rapids, MI
Similar to national avg
H
Corewell Health Pennock Hospital
★★★☆☆
Hastings, MI
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.

Hip Replacement Recovery Overview

Recovery timelines vary by patient, but here is a general overview of what to expect after hip replacement surgery:

Week 1-2 Walking with assistive device (walker or cane). Gentle range-of-motion exercises begin. Most patients can manage basic self-care.
Week 3-6 Transition to walking independently. Resume driving short distances. Physical therapy focuses on strength and balance.
Week 7-12 Return to most daily activities and light exercise. Stair climbing improves. Many patients return to desk work.
Month 4-6 Full recovery for most patients. Resume recreational activities, golf, swimming, and low-impact exercise.

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.

SurgeonProceduresSpecialties
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

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. Charles Crellin, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/mt/dr-charles-crellin-billings.html

Link: https://orthoprocedures.com/surgeons/mt/dr-charles-crellin-billings.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.