Dr. Robert Montgomery, M.D.
Dr. Robert Montgomery is a board-certified orthopedic surgeon practicing in Laguna Woods, California. A Medicare provider since 2005, Dr. Montgomery has performed 41 Medicare-verified knee replacements (#179 in California) and 21 hip replacements, for a combined total of 62 procedures.
In California, Dr. Montgomery performs near average in knee (41 vs 45 avg), below average in hip (21 vs 41 avg).
Dr. Montgomery's reported Medicare volume is split between knee replacements (41 cases) and hip replacements (21 cases).
Laguna Woods is home to 4 orthopedic surgeons in the current Medicare dataset. Patients in the Laguna Woods area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Montgomery extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 24 to 62 in the most recent data, a 158% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Montgomery's 41 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. Montgomery Compares
Procedure volume compared to the California state average.
Contact & Location
Laguna Woods, CA 92637
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Montgomery's Medicare-recorded procedure volume has trended upward over 11 years, increasing 158% from 24 procedures in 2013 to 62 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.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
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. Montgomery
How does Dr. Montgomery's procedure volume compare to other California surgeons?
Dr. Montgomery has performed 62 Medicare-verified joint replacement procedures. This is in line with the California average of 65 procedures per surgeon. Dr. Montgomery ranks #212 out of 608 orthopedic surgeons in California.
What types of joint replacement does Dr. Montgomery perform?
Dr. Montgomery's Medicare data shows procedures in knee replacement (41 cases) and hip replacement (21 cases).
Are there other orthopedic surgeons near Dr. Montgomery in Laguna Woods?
Yes. There are 4 orthopedic surgeons in Laguna Woods 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. Montgomery 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. Montgomery's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 62 procedures shown here.
Has Dr. Montgomery's procedure volume changed over time?
Yes. Dr. Montgomery's Medicare-recorded volume has increased from 24 procedures in 2013 to 62 in the most recent data, a 158% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 85 procedures in 2016.
Does Dr. Montgomery perform more than one type of joint replacement?
Yes. Dr. Montgomery's Medicare data shows procedures in knee replacement (41 cases), hip replacement (21 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Montgomery affiliated with?
According to CMS facility affiliation data, Dr. Montgomery is affiliated with Memorialcare Saddleback Medical Center.
How does Dr. Montgomery compare to other orthopedic surgeons in Laguna Woods?
Among the 4 orthopedic surgeons in Laguna Woods, Dr. Montgomery ranks #2 by total Medicare procedure volume. Dr. Montgomery is among the highest-volume surgeons in Laguna Woods.
What are the quality ratings for hospitals where Dr. Montgomery practices?
Memorialcare Saddleback Medical Center (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 Laguna Woods, California
Dr. Montgomery's 62 Medicare procedures are above the Laguna Woods average of 57. The table below compares verified procedure volumes for orthopedic surgeons practicing in Laguna Woods.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Abraham Kim | 92 | Hip, Knee |
| Dr. Ari Youderian | 46 | Shoulder |
| Dr. David Molho | 27 | Knee |
Patient Reviews & Ratings
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