Dr. Kory Johnson, D.O.
Dr. Kory Johnson is a board-certified orthopedic surgeon practicing in Grand Rapids, Michigan. A Medicare provider since 2009, Dr. Johnson has performed 43 Medicare-verified knee replacements (#51 in Michigan) and 34 hip replacements, for a combined total of 77 procedures.
In Michigan, Dr. Johnson performs above average in knee (43 vs 33 avg), near average in hip (34 vs 29 avg).
Dr. Johnson's reported Medicare volume is split between knee replacements (43 cases) and hip replacements (34 cases).
Beyond general orthopedic surgery, Dr. Johnson holds additional credentials in Adult Reconstructive Orthopaedic Surgery, reflecting subspecialty training that may benefit patients with complex joint conditions.
Grand Rapids is home to 19 orthopedic surgeons in the current Medicare dataset. Patients in the Grand Rapids area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Johnson extend back to 2016, covering 8 years of data. Over that period, recorded procedure volume increased from 44 to 77 in the most recent data, a 75% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Johnson's 43 verified procedures is near the national average of 45.
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. Johnson Compares
Procedure volume compared to the Michigan state average.
Contact & Location
Grand Rapids, MI 49503
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Johnson's Medicare-recorded procedure volume has trended upward over 8 years, increasing 75% from 44 procedures in 2016 to 77 in the most recent data.
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.
Recovery Timeline: Week-by-Week ExpectationsA detailed week-by-week guide covering pain levels, mobility milestones, physical therapy progression, and when to expect a return to daily activities.
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. Johnson
How does Dr. Johnson's procedure volume compare to other Michigan surgeons?
Dr. Johnson has performed 77 Medicare-verified joint replacement procedures. This is significantly above the Michigan average of 48 procedures per surgeon. Dr. Johnson ranks #45 out of 272 orthopedic surgeons in Michigan.
What types of joint replacement does Dr. Johnson perform?
Dr. Johnson's Medicare data shows procedures in knee replacement (43 cases) and hip replacement (34 cases).
Are there other orthopedic surgeons near Dr. Johnson in Grand Rapids?
Yes. There are 19 orthopedic surgeons in Grand Rapids 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 Michigan surgeons.
What does the Medicare data for Dr. Johnson 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. Johnson's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 77 procedures shown here.
Has Dr. Johnson's procedure volume changed over time?
Yes. Dr. Johnson's Medicare-recorded volume has increased from 44 procedures in 2016 to 77 in the most recent data, a 75% increase over 8 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 103 procedures in 2019.
Does Dr. Johnson perform more than one type of joint replacement?
Yes. Dr. Johnson's Medicare data shows procedures in knee replacement (43 cases), hip replacement (34 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Johnson affiliated with?
According to CMS facility affiliation data, Dr. Johnson is affiliated with University Of Michigan Health - West.
How does Dr. Johnson compare to other orthopedic surgeons in Grand Rapids?
Among the 19 orthopedic surgeons in Grand Rapids, Dr. Johnson ranks #2 by total Medicare procedure volume. Dr. Johnson is among the highest-volume surgeons in Grand Rapids.
What are the quality ratings for hospitals where Dr. Johnson practices?
University Of Michigan Health - West (4 out of 5 CMS stars, hip/knee complication rate similar to national average). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
Other Orthopedic Surgeons in Grand Rapids, Michigan
Dr. Johnson's 77 Medicare procedures are above the Grand Rapids average of 60. The table below compares verified procedure volumes for orthopedic surgeons practicing in Grand Rapids.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Charles Sherry | 101 | Hip, Knee |
| Dr. John Mahajan | 65 | Hip, Knee |
| Dr. Thomas Malvitz | 52 | Hip, Knee |
| Dr. Benjamin Strong | 44 | Hip, Knee |
| Dr. Peter Ugolini | 43 | Shoulder |
| Dr. Clayton Perry | 40 | Hip, Knee |
Patient Reviews & Ratings
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