Shoulder
Dr. Mark Schamblin, M.D.
Dr. Mark Schamblin is a board-certified orthopedic surgeon practicing in Van Nuys, California. A Medicare provider since 2006, Dr. Schamblin has performed 11 Medicare-verified shoulder replacements, ranking #116 in California.
In California, Dr. Schamblin performs below average in shoulder (11 vs 30 avg).
Dr. Schamblin's Medicare data shows a focused shoulder replacement practice with 11 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.
Van Nuys is home to 10 orthopedic surgeons in the current Medicare dataset. Patients in the Van Nuys area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Schamblin's Medicare record spans 4 years from 2018 through 2023. Procedure volume has remained consistent during that period, ranging from 11 to 14 procedures per year, reflecting a steady joint replacement practice.
Dr. Schamblin's 11 shoulder replacement procedures is below the national average of 28 among 2,092 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
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. Schamblin Compares
Procedure volume compared to the California state average.
Contact & Location
Van Nuys, CA 91405
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Schamblin's procedure volume has been consistent across 4 years of Medicare data, ranging from 11 to 14 procedures per year. This stability suggests a well-established joint replacement practice.
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 Shoulder Replacement
If you are considering shoulder replacement surgery, these evidence-based guides can help you prepare and recover:
A practical checklist of questions covering experience, technique, hospital choice, and recovery expectations to discuss during your surgical consultation.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
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.
Shoulder Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after shoulder replacement surgery:
Individual recovery varies based on overall health, age, and adherence to physical therapy. View full shoulder replacement recovery guide and product recommendations
Frequently Asked Questions About Dr. Schamblin
How does Dr. Schamblin's procedure volume compare to other California surgeons?
Dr. Schamblin has performed 11 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. Schamblin ranks #603 out of 608 orthopedic surgeons in California.
What types of joint replacement does Dr. Schamblin perform?
Dr. Schamblin's reported Medicare volume is focused on shoulder replacement, with 11 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Schamblin in Van Nuys?
Yes. There are 10 orthopedic surgeons in Van Nuys 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. Schamblin 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. Schamblin's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 11 procedures shown here.
Has Dr. Schamblin's procedure volume changed over time?
Dr. Schamblin's procedure volume has been relatively stable over 4 years of Medicare data, ranging from 11 to 14 procedures per year between 2018 and 2023. Consistent volume over multiple years reflects a steady joint replacement practice.
Which hospitals is Dr. Schamblin affiliated with?
According to CMS facility affiliation data, Dr. Schamblin is affiliated with Adventist Health Bakersfield.
How does Dr. Schamblin compare to other orthopedic surgeons in Van Nuys?
Among the 10 orthopedic surgeons in Van Nuys, Dr. Schamblin ranks #9 by total Medicare procedure volume. The highest-volume surgeon in Van Nuys has 226 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Schamblin practices?
Adventist Health Bakersfield (1 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 Van Nuys, California
Dr. Schamblin's 11 Medicare procedures are below the Van Nuys average of 60. The table below compares verified procedure volumes for orthopedic surgeons practicing in Van Nuys.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Jaime Hernandez | 226 | Hip, Knee |
| Dr. Michael Bahk | 66 | Shoulder |
| Dr. Abiram Bala | 39 | Hip, Knee |
| Dr. Christopher Hamilton | 35 | Knee, Shoulder |
| Dr. Todd Shapiro | 26 | Shoulder |
| Dr. Steve Kwak | 18 | Knee |
Patient Reviews & Ratings
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