Dr. John Mahajan, MD
Dr. John Mahajan is a board-certified orthopedic surgeon practicing in Grand Rapids, Michigan. A Medicare provider since 2012, Dr. Mahajan has performed 37 Medicare-verified knee replacements (#63 in Michigan) and 28 hip replacements, for a combined total of 65 procedures.
In Michigan, Dr. Mahajan performs near average in knee (37 vs 33 avg), near average in hip (28 vs 29 avg).
Dr. Mahajan's reported Medicare volume is split between knee replacements (37 cases) and hip replacements (28 cases).
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. Mahajan extend back to 2017, covering 7 years of data. Over that period, recorded procedure volume increased from 47 to 65 in the most recent data, a 38% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Mahajan's 37 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. Mahajan Compares
Procedure volume compared to the Michigan state average.
Contact & Location
Grand Rapids, MI 49525
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Mahajan's Medicare-recorded procedure volume has trended upward over 7 years, increasing 38% from 47 procedures in 2017 to 65 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.
Questions to Ask Your Surgeon Before Joint ReplacementA practical checklist of questions covering experience, technique, hospital choice, and recovery expectations to discuss during your surgical consultation.
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.
Outpatient Joint Replacement: A Medicare GuideHow outpatient joint replacement works under Medicare, including eligibility criteria, cost differences, and what to expect with same-day discharge.
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. Mahajan
How does Dr. Mahajan's procedure volume compare to other Michigan surgeons?
Dr. Mahajan has performed 65 Medicare-verified joint replacement procedures. This is in line with the Michigan average of 48 procedures per surgeon. Dr. Mahajan ranks #55 out of 272 orthopedic surgeons in Michigan.
What types of joint replacement does Dr. Mahajan perform?
Dr. Mahajan's Medicare data shows procedures in knee replacement (37 cases) and hip replacement (28 cases).
Are there other orthopedic surgeons near Dr. Mahajan 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. Mahajan 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. Mahajan's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 65 procedures shown here.
Has Dr. Mahajan's procedure volume changed over time?
Yes. Dr. Mahajan's Medicare-recorded volume has increased from 47 procedures in 2017 to 65 in the most recent data, a 38% increase over 7 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 92 procedures in 2018.
Does Dr. Mahajan perform more than one type of joint replacement?
Yes. Dr. Mahajan's Medicare data shows procedures in knee replacement (37 cases), hip replacement (28 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Mahajan affiliated with?
According to CMS facility affiliation data, Dr. Mahajan is affiliated with Corewell Health Grand Rapids Hospitals Butterworth, Corewell Health Big Rapids Hospital, Corewell Health United Hospital.
How does Dr. Mahajan compare to other orthopedic surgeons in Grand Rapids?
Among the 19 orthopedic surgeons in Grand Rapids, Dr. Mahajan ranks #3 by total Medicare procedure volume. Dr. Mahajan is among the highest-volume surgeons in Grand Rapids.
What are the quality ratings for hospitals where Dr. Mahajan practices?
Corewell Health Grand Rapids Hospitals Butterworth (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Corewell Health Big Rapids Hospital (3 out of 5 CMS stars); Corewell Health 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 Grand Rapids, Michigan
Dr. Mahajan's 65 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. Kory Johnson | 77 | 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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