Dr. Alexander Sah, MD

Orthopedic Surgery
779 procedures 5 hospitals Fremont, CA
Latest available Medicare data — updated April 2026
Volume Leader Growing Volume Top 10% Nationally

Contact & Location

Phone: 510-818-7200
Practice phone listed in the NPI registry
2000 Mowry Ave
Fremont, CA 94538
NPI: 1003966359
Credentials: MD
Active Medicare provider (NPI verified)
19 years of practice experience
Licensed MD
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety, all under $50
National Comparison by Procedure
Hip 266 vs 36 avg (4,532 surgeons)
Knee 513 vs 45 avg (6,599 surgeons)

Dr. Alexander Sah is a board-certified orthopedic surgeon practicing in Fremont, California. A Medicare provider since 2007, Dr. Sah has performed 513 Medicare-verified knee replacements (#1 in California) and 266 hip replacements, for a combined total of 779 procedures.

In California, Dr. Sah performs well above average in knee (513 vs 47 avg), well above average in hip (266 vs 41 avg).

Dr. Sah's reported Medicare volume is split between knee replacements (513 cases) and hip replacements (266 cases).

Beyond general orthopedic surgery, Dr. Sah holds additional credentials in Adult Reconstructive Orthopaedic Surgery, reflecting subspecialty training that may benefit patients with complex joint conditions.

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

Medicare records for Dr. Sah extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 243 to 779 in the most recent data, a 221% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,599 knee replacement surgeons tracked nationally, Dr. Sah's 513 verified procedures is more than 11x the national average of 45, ranking #1 nationally.

Verified Medicare Cases

Knee Replacement
513 verified cases
#1 in California
Hip Replacement
266 verified cases
#2 in California
Estimated total: 2,110 – 2,360 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. Sah Compares

Procedure volume compared to the California state average.

Hip Very High
266 Avg: 41
Knee Very High
513 Avg: 47
Dr. Sah California Average

Volume Trend Analysis

Dr. Sah's Medicare-recorded procedure volume has trended upward over 12 years, increasing 221% from 243 procedures in 2013 to 779 in the most recent data.

Years of Data 12
2024 Volume 779
Peak Volume 844 (2023)
Trend Growing

Hospital Affiliations & Quality

H
Washington Hospital
3/5
Fremont, CA
Similar to national avg
H
Mills-Peninsula Medical Center
5/5
Burlingame, CA
Similar to national avg
H
Stanford Health Care
5/5
Stanford, CA
Similar to national avg
H
Community Hospital Of The Monterey Peninsula
3/5
Monterey, CA
Similar to national avg
H
El Camino Health
4/5
Mountain View, 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. Sah

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

Dr. Sah has performed 779 Medicare-verified joint replacement procedures. This is more than 11x the California average of 68 procedures per surgeon. Dr. Sah ranks #1 out of 613 orthopedic surgeons in California.

What types of joint replacement does Dr. Sah perform?

Dr. Sah's Medicare data shows procedures in knee replacement (513 cases) and hip replacement (266 cases).

How experienced is Dr. Sah with knee replacement surgery?

Dr. Sah ranks #1 in California for knee replacement with 513 Medicare-verified procedures. This high ranking among 613 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Sah in Fremont?

Yes. There are 4 orthopedic surgeons in Fremont 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. Sah 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. Sah's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 779 procedures shown here.

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

Yes. Dr. Sah's Medicare-recorded volume has increased from 243 procedures in 2013 to 779 in the most recent data, a 221% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 844 procedures in 2023.

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

Yes. Dr. Sah's Medicare data shows procedures in knee replacement (513 cases), hip replacement (266 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Sah affiliated with?

According to CMS facility affiliation data, Dr. Sah is affiliated with Washington Hospital, Mills-Peninsula Medical Center, Stanford Health Care, Community Hospital Of The Monterey Peninsula, El Camino Health.

How does Dr. Sah compare to other orthopedic surgeons in Fremont?

Among the 4 orthopedic surgeons in Fremont, Dr. Sah ranks #1 by total Medicare procedure volume. Dr. Sah has the highest verified Medicare volume in the city.

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

Washington Hospital (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Mills-Peninsula Medical Center (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Stanford Health Care (5 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 Fremont, California

Dr. Sah's 779 Medicare procedures are above the Fremont average of 233. The table below compares verified procedure volumes for orthopedic surgeons practicing in Fremont.

SurgeonProceduresSpecialties
Dr. Bryant Bonner 87 Hip, Knee
Dr. Ricardo Molina 49 Knee
Dr. Russell Nord 17 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. Alexander Sah, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-alexander-sah-fremont.html

Link: https://orthoprocedures.com/surgeons/ca/dr-alexander-sah-fremont.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.