#232 in California
Knee

Dr. David Feingold, M.D.

Orthopedic Surgery
32 procedures 1 hospital West Hills, CA
Latest available Medicare data — updated April 2026
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Knee 32 vs 45 avg (6,720 surgeons)

Dr. David Feingold is a board-certified orthopedic surgeon practicing in West Hills, California. A Medicare provider since 2006, Dr. Feingold has performed 32 Medicare-verified knee replacements, ranking #232 in California.

In California, Dr. Feingold performs below average in knee (32 vs 45 avg).

Dr. Feingold's Medicare data shows a focused knee replacement practice with 32 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.

West Hills is home to 4 orthopedic surgeons in the current Medicare dataset. Patients in the West Hills area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Feingold's Medicare data spans 11 years, beginning in 2013. Volume peaked at 61 procedures in 2013 before settling at 32 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Dr. Feingold's 32 knee replacement procedures is below the national average of 45 among 6,720 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Knee Replacement
32 verified cases
#232 in California
Estimated total: 90 – 100 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. Feingold Compares

Procedure volume compared to the California state average.

Knee Below Avg
32 Avg: 45
Dr. Feingold California Average

Contact & Location

Phone: 818-348-4110
23101 Sherman Pl
West Hills, CA 91307
NPI: 1407807316
Credentials: M.D.
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Sports medicine specialist
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Feingold's recorded volume peaked at 61 procedures in 2013 and stood at 32 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 11
2023 Volume 32
Peak Volume 61 (2013)
Trend Declining

Hospital Affiliations & Quality

H
Northridge Hospital Medical Center
★★★★☆
Northridge, 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.

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. Feingold

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

Dr. Feingold has performed 32 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. Feingold ranks #360 out of 608 orthopedic surgeons in California.

What types of joint replacement does Dr. Feingold perform?

Dr. Feingold's reported Medicare volume is focused on knee replacement, with 32 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Feingold in West Hills?

Yes. There are 4 orthopedic surgeons in West Hills 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. Feingold 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. Feingold's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 32 procedures shown here.

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

Dr. Feingold's Medicare-recorded volume peaked at 61 procedures in 2013 and was 32 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. Feingold affiliated with?

According to CMS facility affiliation data, Dr. Feingold is affiliated with Northridge Hospital Medical Center.

How does Dr. Feingold compare to other orthopedic surgeons in West Hills?

Among the 4 orthopedic surgeons in West Hills, Dr. Feingold ranks #3 by total Medicare procedure volume. Dr. Feingold is among the highest-volume surgeons in West Hills.

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

Northridge Hospital 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 West Hills, California

Dr. Feingold's 32 Medicare procedures are below the West Hills average of 46. The table below compares verified procedure volumes for orthopedic surgeons practicing in West Hills.

SurgeonProceduresSpecialties
Dr. Sumit Rana 74 Hip, Knee
Dr. Nirav Shah 67 Hip, Knee
Dr. Aneet Toor 11 Shoulder

Patient Reviews & Ratings

OrthoProcedures.com focuses on verified Medicare procedure data. For patient reviews, ratings, and appointment scheduling, visit these trusted platforms:

These links lead to third-party websites. OrthoProcedures.com is not affiliated with these platforms and cannot verify the accuracy of reviews.

Cite This Data

APA: OrthoProcedures. (2026). Dr. David Feingold, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-david-feingold-west-hills.html

Link: https://orthoprocedures.com/surgeons/ca/dr-david-feingold-west-hills.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.