Dr. Kourosh Shamlou, M.D.

Orthopedic Surgery
21 procedures 2 hospitals Downey, CA

Contact & Location

562-869-4421
Phone: 562-869-4421
Practice phone listed in the NPI registry
11411 Brookshire Ave
Downey, CA 90241
NPI: 1073621470
Credentials: M.D.
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
National Comparison by Procedure
Knee 21 vs 45 national avg (6,599 surgeons)

About Dr. Shamlou

Dr. Kourosh Shamlou is a board-certified orthopedic surgeon practicing in Downey, California. A Medicare provider since 2006, Dr. Shamlou performed 21 Medicare-verified knee replacements in the latest annual CMS data, ranking #334 in California.

In California, Dr. Shamlou performs below the state average in knee (21 vs 47).

Dr. Shamlou's Medicare data shows a focused knee replacement practice with 21 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.

Beyond general orthopedic surgery, Dr. Shamlou holds additional credentials in Orthopaedic Surgery of the Spine, reflecting subspecialty training that may benefit patients with complex joint conditions.

Downey is home to 2 orthopedic surgeons in the current Medicare dataset. Patients in the Downey area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Shamlou's Medicare data spans 12 years, beginning in 2013. Volume peaked at 36 procedures in 2019 before settling at 21 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Dr. Shamlou's 21 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 Medicare Cases

Knee Replacement
21 verified cases
#334 in California
Estimated total: 60 – 60 procedures (all insurers)
Based on Medicare FFS representing 33–37% of national joint replacement volume
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. Shamlou Compares

Procedure volume compared to the California state average.

Knee Below Avg
21 Avg: 47
Dr. Shamlou California Average

Volume Trend Analysis

Dr. Shamlou's recorded volume peaked at 36 procedures in 2019 and stood at 21 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 12
2024 Volume 21
Peak Volume 36 (2019)
Trend Declining

Hospital Affiliations & Quality

H
Pih Health Downey Hospital
3/5
Downey, CA
Low case volume
H
Pih Health Hospital-Whittier
3/5
Whittier, CA
Similar to national avg

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:

Knee Replacement Recovery Overview

Recovery timelines vary by patient, but here is a general overview of what to expect after knee replacement surgery:

Week 1-2 Walking with assistive device. Knee bending exercises begin immediately. Ice therapy and elevation for swelling control.
Week 3-6 Increased range of motion (target 90 degrees). Walking longer distances. Physical therapy intensifies with strengthening exercises.
Week 7-12 Most patients walk without assistive devices. Resume driving and desk work. Continue PT for strength and flexibility.
Month 4-6 Near-full recovery. Resume most recreational activities. Some swelling and stiffness may persist but continues improving.

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. Shamlou

How does Dr. Shamlou's procedure volume compare to other California surgeons?

Dr. Shamlou has performed 21 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. Shamlou ranks #460 out of 613 orthopedic surgeons in California.

What types of joint replacement does Dr. Shamlou perform?

Dr. Shamlou's reported Medicare volume is focused on knee replacement, with 21 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Shamlou in Downey?

Yes. There are 2 orthopedic surgeons in Downey 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. Shamlou 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. Shamlou's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 21 procedures shown here.

Has Dr. Shamlou's procedure volume changed over time?

Dr. Shamlou's Medicare-recorded volume peaked at 36 procedures in 2019 and was 21 in the most recent data. Volume fluctuations can reflect changes in payer mix, practice focus, or Medicare reporting rather than a change in overall surgical activity.

Which hospitals is Dr. Shamlou affiliated with?

According to CMS facility affiliation data, Dr. Shamlou is affiliated with Pih Health Downey Hospital, Pih Health Hospital-Whittier.

What are the quality ratings for hospitals where Dr. Shamlou practices?

Pih Health Downey Hospital (3 out of 5 CMS stars, insufficient case volume for complication rate comparison); Pih Health Hospital-Whittier (3 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 Downey, California

Dr. Shamlou's 21 Medicare procedures are below the Downey average of 61. The table below compares verified procedure volumes for orthopedic surgeons practicing in Downey.

SurgeonProceduresSpecialties
Dr. Vance Eberly 100 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.

Cite This Data

APA: OrthoProcedures. (2026). Dr. Kourosh Shamlou, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-kourosh-shamlou-downey.html

Link: https://orthoprocedures.com/surgeons/ca/dr-kourosh-shamlou-downey.html

Data source: CMS Medicare Part B Provider Utilization & Payment Data. Full methodology | Open Data API

Important: Rankings are based solely on Medicare procedure volume and do not reflect quality of care, patient outcomes, or procedures covered by private insurance. This data represents approximately one-third to 40% of all joint replacement procedures nationwide. Always consult with healthcare providers to make informed decisions about your care.