Knee
Dr. Allen Hershey, MD
Dr. Allen Hershey is a board-certified orthopedic surgeon practicing in Salinas, California. A Medicare provider since 2006, Dr. Hershey has performed 39 Medicare-verified knee replacements, ranking #185 in California.
In California, Dr. Hershey performs near average in knee (39 vs 45 avg).
Dr. Hershey's Medicare data shows a focused knee replacement practice with 39 verified procedures. Surgeons who concentrate on a single procedure type often develop deep procedural expertise, though total practice volume may include additional procedures not captured in Medicare fee-for-service data.
Salinas is home to 4 orthopedic surgeons in the current Medicare dataset. Patients in the Salinas area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Hershey extend back to 2015, covering 9 years of data. Over that period, recorded procedure volume increased from 28 to 39 in the most recent data, a 39% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Hershey's 39 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. Hershey Compares
Procedure volume compared to the California state average.
Contact & Location
Salinas, CA 93901
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Hershey's Medicare-recorded procedure volume has trended upward over 9 years, increasing 39% from 28 procedures in 2015 to 39 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.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
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. Hershey
How does Dr. Hershey's procedure volume compare to other California surgeons?
Dr. Hershey has performed 39 Medicare-verified joint replacement procedures. The California average is 65 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Hershey ranks #316 out of 608 orthopedic surgeons in California.
What types of joint replacement does Dr. Hershey perform?
Dr. Hershey's reported Medicare volume is focused on knee replacement, with 39 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Hershey in Salinas?
Yes. There are 4 orthopedic surgeons in Salinas 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. Hershey 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. Hershey's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 39 procedures shown here.
Has Dr. Hershey's procedure volume changed over time?
Yes. Dr. Hershey's Medicare-recorded volume has increased from 28 procedures in 2015 to 39 in the most recent data, a 39% increase over 9 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 40 procedures in 2018.
Which hospitals is Dr. Hershey affiliated with?
According to CMS facility affiliation data, Dr. Hershey is affiliated with Community Hospital Of The Monterey Peninsula, Salinas Valley Memorial Hospital.
How does Dr. Hershey compare to other orthopedic surgeons in Salinas?
Among the 4 orthopedic surgeons in Salinas, Dr. Hershey ranks #4 by total Medicare procedure volume. The highest-volume surgeon in Salinas has 154 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Hershey practices?
Community Hospital Of The Monterey Peninsula (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Salinas Valley Memorial 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 Salinas, California
Dr. Hershey's 39 Medicare procedures are below the Salinas average of 100. The table below compares verified procedure volumes for orthopedic surgeons practicing in Salinas.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. John Bonano | 154 | Hip, Knee |
| Dr. Stephen Gregorius | 119 | Hip, Knee |
| Dr. Bert Tardieu | 86 | Hip, Knee |
Patient Reviews & Ratings
OrthoProcedures.com focuses on verified Medicare procedure data. For patient reviews, ratings, and appointment scheduling, visit these trusted platforms:
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