Dr. John Kronick, M.D.
Dr. John Kronick is a board-certified orthopedic surgeon practicing in Walnut Creek, California. A Medicare provider since 2006, Dr. Kronick has performed 69 Medicare-verified knee replacements (#86 in California) and 27 hip replacements, for a combined total of 96 procedures.
In California, Dr. Kronick performs above average in knee (69 vs 45 avg), below average in hip (27 vs 41 avg).
Dr. Kronick's reported Medicare volume is split between knee replacements (69 cases) and hip replacements (27 cases).
Walnut Creek is home to 7 orthopedic surgeons in the current Medicare dataset. Patients in the Walnut Creek area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Kronick extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 80 to 96 in the most recent data, a 20% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Kronick's 69 verified procedures is above 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. Kronick Compares
Procedure volume compared to the California state average.
Contact & Location
Walnut Creek, CA 94598
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Kronick's Medicare-recorded procedure volume has trended upward over 11 years, increasing 20% from 80 procedures in 2013 to 96 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.
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.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
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.
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. Kronick
How does Dr. Kronick's procedure volume compare to other California surgeons?
Dr. Kronick has performed 96 Medicare-verified joint replacement procedures. This is in line with the California average of 65 procedures per surgeon. Dr. Kronick ranks #118 out of 608 orthopedic surgeons in California.
What types of joint replacement does Dr. Kronick perform?
Dr. Kronick's Medicare data shows procedures in knee replacement (69 cases) and hip replacement (27 cases).
Are there other orthopedic surgeons near Dr. Kronick in Walnut Creek?
Yes. There are 7 orthopedic surgeons in Walnut Creek 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 California surgeons.
What does the Medicare data for Dr. Kronick 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. Kronick's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 96 procedures shown here.
Has Dr. Kronick's procedure volume changed over time?
Yes. Dr. Kronick's Medicare-recorded volume has increased from 80 procedures in 2013 to 96 in the most recent data, a 20% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 101 procedures in 2019.
Does Dr. Kronick perform more than one type of joint replacement?
Yes. Dr. Kronick's Medicare data shows procedures in knee replacement (69 cases), hip replacement (27 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Kronick affiliated with?
According to CMS facility affiliation data, Dr. Kronick is affiliated with John Muir Medical Center - Walnut Creek Campus.
How does Dr. Kronick compare to other orthopedic surgeons in Walnut Creek?
Among the 7 orthopedic surgeons in Walnut Creek, Dr. Kronick ranks #3 by total Medicare procedure volume. Dr. Kronick is among the highest-volume surgeons in Walnut Creek.
What are the quality ratings for hospitals where Dr. Kronick practices?
John Muir Medical Center - Walnut Creek Campus (3 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 Walnut Creek, California
Dr. Kronick's 96 Medicare procedures are below the Walnut Creek average of 97. The table below compares verified procedure volumes for orthopedic surgeons practicing in Walnut Creek.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Louay Toma | 238 | Hip, Knee |
| Dr. Wendy Wong | 169 | Hip, Knee |
| Dr. Sean Griffiths | 90 | Hip, Knee |
| Dr. Craig Wiseman | 59 | Knee, Shoulder |
| Dr. William Workman | 15 | Knee |
| Dr. Michael Michlitsch | 15 | Shoulder |
Patient Reviews & Ratings
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