Dr. Loren Geller, M.D.
Contact & Location
Glendale, CA 91208
Dr. Loren Geller is a board-certified orthopedic surgeon practicing in Glendale, California. A Medicare provider since 2007, Dr. Geller has performed 15 Medicare-verified knee replacements, ranking #422 in California.
In California, Dr. Geller performs below average in knee (15 vs 47 avg).
Dr. Geller's Medicare data shows a focused knee replacement practice with 15 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.
Glendale is home to 7 orthopedic surgeons in the current Medicare dataset. Patients in the Glendale area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Geller extend back to 2014, covering 8 years of data. Over that period, recorded procedure volume increased from 11 to 15 in the most recent data, a 36% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Geller's 15 knee replacement procedures is below the national average of 45 among 6,599 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
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. Geller Compares
Procedure volume compared to the California state average.
Volume Trend Analysis
Dr. Geller's Medicare-recorded procedure volume has trended upward over 8 years, increasing 36% from 11 procedures in 2014 to 15 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.
Rehabilitation Roadmap: Your Complete Recovery GuideA structured physical therapy progression from the first post-op exercises through full strength and mobility restoration over 3 to 6 months.
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. Geller
How does Dr. Geller's procedure volume compare to other California surgeons?
Dr. Geller has performed 15 Medicare-verified joint replacement procedures. The California average is 68 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Geller ranks #529 out of 613 orthopedic surgeons in California.
What types of joint replacement does Dr. Geller perform?
Dr. Geller's reported Medicare volume is focused on knee replacement, with 15 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Geller in Glendale?
Yes. There are 7 orthopedic surgeons in Glendale 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. Geller 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. Geller's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 15 procedures shown here.
Has Dr. Geller's procedure volume changed over time?
Yes. Dr. Geller's Medicare-recorded volume has increased from 11 procedures in 2014 to 15 in the most recent data, a 36% increase over 8 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 23 procedures in 2019.
Which hospitals is Dr. Geller affiliated with?
According to CMS facility affiliation data, Dr. Geller is affiliated with Usc Verdugo Hills Hospital, Keck Hospital Of Usc, Glendale Adventist Medical Center.
How does Dr. Geller compare to other orthopedic surgeons in Glendale?
Among the 7 orthopedic surgeons in Glendale, Dr. Geller ranks #6 by total Medicare procedure volume. The highest-volume surgeon in Glendale has 72 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Geller practices?
Usc Verdugo Hills Hospital (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Keck Hospital Of Usc (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Glendale Adventist Medical Center (4 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 Glendale, California
Dr. Geller's 15 Medicare procedures are below the Glendale average of 38. The table below compares verified procedure volumes for orthopedic surgeons practicing in Glendale.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Vahan Cepkinian | 72 | Hip, Knee |
| Dr. Stephen Owens | 57 | Hip, Knee |
| Dr. Michael Abdulian | 42 | Hip, Knee |
| Dr. Philip Merritt | 41 | Hip |
| Dr. Sooren Karayan | 24 | Knee |
| Dr. Sevag Bastian | 13 | Shoulder |
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.