#131 Hip
#234 Knee

Dr. Diana Lee

Orthopedic Surgery
66 procedures San Jose, CA
Latest available Medicare data — updated April 2026
Hip replacement recovery kit Essentials every patient wishes they bought first
National Comparison by Procedure
Hip 34 vs 36 avg (4,526 surgeons)
Knee 32 vs 45 avg (6,720 surgeons)

Dr. Diana Lee is a board-certified orthopedic surgeon practicing in San Jose, California. A Medicare provider since 2017, Dr. Lee has performed 34 Medicare-verified hip replacements (#131 in California) and 32 knee replacements, for a combined total of 66 procedures.

In California, Dr. Lee performs near average in hip (34 vs 41 avg), below average in knee (32 vs 45 avg).

Dr. Lee's reported Medicare volume is split between hip replacements (34 cases) and knee replacements (32 cases).

San Jose is home to 5 orthopedic surgeons in the current Medicare dataset. Patients in the San Jose area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Lee first appears in the Medicare dataset in 2022. With 2 years of recorded data, the longitudinal trend is still developing.

Among 4,526 hip replacement surgeons tracked nationally, Dr. Lee's 34 verified procedures is near the national average of 36.

Verified Medicare Cases

Hip Replacement
34 verified cases
#131 in California
Knee Replacement
32 verified cases
#234 in California
Estimated total: 180 – 200 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. Lee Compares

Procedure volume compared to the California state average.

Hip Average
34 Avg: 41
Knee Below Avg
32 Avg: 45
Dr. Lee California Average

Contact & Location

Phone: 707-778-1131
270 International Circle
San Jose, CA 95119
NPI: 1568993004
Active Medicare provider (NPI verified)
9 years of practice experience
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Lee has 2 years of Medicare procedure data beginning in 2022. Additional years of data will provide a clearer picture of volume trends.

Years of Data 2
2023 Volume 66
Peak Volume 66 (2023)
Trend Developing

Hip Replacement Recovery Overview

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

Week 1-2 Walking with assistive device (walker or cane). Gentle range-of-motion exercises begin. Most patients can manage basic self-care.
Week 3-6 Transition to walking independently. Resume driving short distances. Physical therapy focuses on strength and balance.
Week 7-12 Return to most daily activities and light exercise. Stair climbing improves. Many patients return to desk work.
Month 4-6 Full recovery for most patients. Resume recreational activities, golf, swimming, and low-impact exercise.

Individual recovery varies based on overall health, age, and adherence to physical therapy. View full hip replacement recovery guide and product recommendations

Frequently Asked Questions About Dr. Lee

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

Dr. Lee has performed 66 Medicare-verified joint replacement procedures. This is in line with the California average of 65 procedures per surgeon. Dr. Lee ranks #195 out of 608 orthopedic surgeons in California.

What types of joint replacement does Dr. Lee perform?

Dr. Lee's Medicare data shows procedures in hip replacement (34 cases) and knee replacement (32 cases).

Are there other orthopedic surgeons near Dr. Lee in San Jose?

Yes. There are 5 orthopedic surgeons in San Jose 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. Lee 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. Lee's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 66 procedures shown here.

Does Dr. Lee perform more than one type of joint replacement?

Yes. Dr. Lee's Medicare data shows procedures in hip replacement (34 cases), knee replacement (32 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

How does Dr. Lee compare to other orthopedic surgeons in San Jose?

Among the 5 orthopedic surgeons in San Jose, Dr. Lee ranks #1 by total Medicare procedure volume. Dr. Lee has the highest verified Medicare volume in the city.

Other Orthopedic Surgeons in San Jose, California

Dr. Lee's 66 Medicare procedures are above the San Jose average of 28. The table below compares verified procedure volumes for orthopedic surgeons practicing in San Jose.

SurgeonProceduresSpecialties
Dr. Leo Semkiw 24 Knee
Dr. Fook Wong 22 Knee
Dr. William Wall 15 Knee
Dr. Christian Foglar 12 Knee

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. Diana Lee -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-diana-lee-san-jose.html

Link: https://orthoprocedures.com/surgeons/ca/dr-diana-lee-san-jose.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.