Dr. William Whang, MD
Contact & Location
Modesto, CA 95355
Dr. William Whang is a board-certified orthopedic surgeon practicing in Modesto, California. A Medicare provider since 2006, Dr. Whang has performed 98 Medicare-verified knee replacements (#52 in California) and 47 hip replacements, for a combined total of 145 procedures.
In California, Dr. Whang performs well above average in knee (98 vs 47 avg), near average in hip (47 vs 41 avg).
Dr. Whang's reported Medicare volume is split between knee replacements (98 cases) and hip replacements (47 cases).
Modesto is home to 10 orthopedic surgeons in the current Medicare dataset. Patients in the Modesto area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Whang extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 50 to 145 in the most recent data, a 190% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Whang's 98 verified procedures is more than 2x the national average of 45.
Verified Case Volume Trends (2013-Current)
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. Whang Compares
Procedure volume compared to the California state average.
Volume Trend Analysis
Dr. Whang's Medicare-recorded procedure volume has trended upward over 12 years, increasing 190% from 50 procedures in 2013 to 145 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.
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.
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. Whang
How does Dr. Whang's procedure volume compare to other California surgeons?
Dr. Whang has performed 145 Medicare-verified joint replacement procedures. This is more than 2x the California average of 68 procedures per surgeon. Dr. Whang ranks #74 out of 613 orthopedic surgeons in California.
What types of joint replacement does Dr. Whang perform?
Dr. Whang's Medicare data shows procedures in knee replacement (98 cases) and hip replacement (47 cases).
Are there other orthopedic surgeons near Dr. Whang in Modesto?
Yes. There are 10 orthopedic surgeons in Modesto 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. Whang 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. Whang's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 145 procedures shown here.
Has Dr. Whang's procedure volume changed over time?
Yes. Dr. Whang's Medicare-recorded volume has increased from 50 procedures in 2013 to 145 in the most recent data, a 190% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 145 procedures in 2024.
Does Dr. Whang perform more than one type of joint replacement?
Yes. Dr. Whang's Medicare data shows procedures in knee replacement (98 cases), hip replacement (47 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Whang affiliated with?
According to CMS facility affiliation data, Dr. Whang is affiliated with Memorial Medical Center, Adventist Health Sonora.
How does Dr. Whang compare to other orthopedic surgeons in Modesto?
Among the 10 orthopedic surgeons in Modesto, Dr. Whang ranks #2 by total Medicare procedure volume. Dr. Whang is among the highest-volume surgeons in Modesto.
What are the quality ratings for hospitals where Dr. Whang practices?
Memorial Medical Center (2 out of 5 CMS stars, hip/knee complication rate similar to national average); Adventist Health Sonora (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 Modesto, California
Dr. Whang's 145 Medicare procedures are above the Modesto average of 68. The table below compares verified procedure volumes for orthopedic surgeons practicing in Modesto.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Jonathon Staples | 150 | Hip, Knee |
| Dr. Wesley Kinzie | 46 | Hip, Knee |
| Dr. Jesua Law | 39 | Knee |
| Dr. William Pistel | 35 | Knee, Shoulder |
| Dr. Robert Cash | 33 | Hip, Knee |
| Dr. William Holmes | 26 | Hip, Knee |
Patient Resources & Verification
Research reviews, verify credentials, and check official quality data through these trusted sources:
Medicare Care Compare and NPI Registry are official U.S. government sources. Google reviews reflect user-submitted feedback. OrthoProcedures.com does not verify the accuracy of third-party review content.