Dr. Jaharris Collier, MD
Dr. Jaharris Collier is a board-certified orthopedic surgeon practicing in Sun City, Arizona. A Medicare provider since 2016, Dr. Collier has performed 25 Medicare-verified knee replacements (#106 in Arizona) and 19 hip replacements, for a combined total of 44 procedures.
In Arizona, Dr. Collier performs below average in knee (25 vs 49 avg), below average in hip (19 vs 37 avg).
Dr. Collier's reported Medicare volume is split between knee replacements (25 cases) and hip replacements (19 cases).
Beyond general orthopedic surgery, Dr. Collier holds additional credentials in Adult Reconstructive Orthopaedic Surgery, reflecting subspecialty training that may benefit patients with complex joint conditions.
Sun City is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Sun City area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Collier first appears in the Medicare dataset in 2023. With 1 year of recorded data, the longitudinal trend is still developing.
Dr. Collier's 25 knee replacement procedures is below the national average of 45 among 6,720 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
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. Collier Compares
Procedure volume compared to the Arizona state average.
Contact & Location
Sun City, AZ 85351
Verified Case Volume Trends (2013-Current)
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 Knee Replacement
If you are considering knee replacement surgery, these evidence-based guides can help you prepare and recover:
An overview of current surgical approaches including robotic-assisted and minimally invasive techniques, implant options, and expected outcomes.
Prehabilitation: Preparing Your Body for SurgeryEvidence-based exercises and lifestyle adjustments that can improve surgical outcomes and speed recovery when started weeks before your procedure.
Rehabilitation Roadmap: Your Complete Recovery GuideA structured physical therapy progression from the first post-op exercises through full strength and mobility restoration over 3 to 6 months.
Medicare Bundled Payment Programs for Joint ReplacementHow bundled payment models affect your joint replacement costs and care coordination, and what it means for hospital and surgeon selection.
Knee Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after knee replacement surgery:
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. Collier
How does Dr. Collier's procedure volume compare to other Arizona surgeons?
Dr. Collier has performed 44 Medicare-verified joint replacement procedures. The Arizona average is 68 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Collier ranks #100 out of 193 orthopedic surgeons in Arizona.
What types of joint replacement does Dr. Collier perform?
Dr. Collier's Medicare data shows procedures in knee replacement (25 cases) and hip replacement (19 cases).
Are there other orthopedic surgeons near Dr. Collier in Sun City?
Yes. There are 3 orthopedic surgeons in Sun City 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 Arizona surgeons.
What does the Medicare data for Dr. Collier 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. Collier's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 44 procedures shown here.
Does Dr. Collier perform more than one type of joint replacement?
Yes. Dr. Collier's Medicare data shows procedures in knee replacement (25 cases), hip replacement (19 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Collier affiliated with?
According to CMS facility affiliation data, Dr. Collier is affiliated with The Core Institute Specialty Hospital, Banner Estrella Medical Center.
How does Dr. Collier compare to other orthopedic surgeons in Sun City?
Among the 3 orthopedic surgeons in Sun City, Dr. Collier ranks #1 by total Medicare procedure volume. Dr. Collier has the highest verified Medicare volume in the city.
What are the quality ratings for hospitals where Dr. Collier practices?
The Core Institute Specialty Hospital (hip/knee complication rate similar to national average); Banner Estrella Medical Center (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 Sun City, Arizona
Dr. Collier's 44 Medicare procedures are above the Sun City average of 36. The table below compares verified procedure volumes for orthopedic surgeons practicing in Sun City.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. John Thompson | 35 | Hip, Knee |
| Dr. Theresa Pak | 30 | Shoulder |
Patient Reviews & Ratings
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