#92 in California
Shoulder

Dr. Andrew Hsiao, M.D.

Orthopedic Surgery
14 procedures 1 hospital Whittier, CA
Latest available Medicare data — updated April 2026
Shoulder replacement recovery kit Slings, cold therapy, and adaptive clothing for recovery
National Comparison by Procedure
Shoulder 14 vs 28 avg (2,092 surgeons)

Dr. Andrew Hsiao is a board-certified orthopedic surgeon practicing in Whittier, California. A Medicare provider since 2007, Dr. Hsiao has performed 14 Medicare-verified shoulder replacements, ranking #92 in California.

In California, Dr. Hsiao performs below average in shoulder (14 vs 30 avg).

Dr. Hsiao's Medicare data shows a focused shoulder replacement practice with 14 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.

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

Dr. Hsiao's Medicare data spans 4 years, beginning in 2019. Volume peaked at 19 procedures in 2019 before settling at 14 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Dr. Hsiao's 14 shoulder replacement procedures is below the national average of 28 among 2,092 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Shoulder Replacement
14 verified cases
#92 in California
Estimated total: 40 – 40 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. Hsiao Compares

Procedure volume compared to the California state average.

Shoulder Below Avg
14 Avg: 30
Dr. Hsiao California Average

Contact & Location

Phone: 562-789-5461
12462 Putnam St
Whittier, CA 90602
NPI: 1457535940
Credentials: M.D.
Active Medicare provider (NPI verified)
19 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. Hsiao's recorded volume peaked at 19 procedures in 2019 and stood at 14 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 4
2023 Volume 14
Peak Volume 19 (2019)
Trend Declining

Hospital Affiliations & Quality

H
Pih Health Hospital-Whittier
★★★☆☆
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.

Shoulder Replacement Recovery Overview

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

Week 1-3 Arm in a sling for protection. Gentle pendulum exercises under therapist guidance. Focus on pain management and wound care.
Week 4-6 Gradual sling weaning. Begin passive and active-assisted range-of-motion exercises. Light daily activities resume.
Week 7-12 Active range-of-motion exercises. Light strengthening begins. Most patients can drive and perform desk work.
Month 4-6 Progressive strengthening continues. Return to most activities. Full recovery may take 6-12 months for complete shoulder strength.

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

Frequently Asked Questions About Dr. Hsiao

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

Dr. Hsiao has performed 14 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. Hsiao ranks #547 out of 608 orthopedic surgeons in California.

What types of joint replacement does Dr. Hsiao perform?

Dr. Hsiao's reported Medicare volume is focused on shoulder replacement, with 14 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Hsiao in Whittier?

Yes. There are 2 orthopedic surgeons in Whittier 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. Hsiao 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. Hsiao's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 14 procedures shown here.

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

Dr. Hsiao's Medicare-recorded volume peaked at 19 procedures in 2019 and was 14 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. Hsiao affiliated with?

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

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

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 Whittier, California

Dr. Hsiao's 14 Medicare procedures are below the Whittier average of 24. The table below compares verified procedure volumes for orthopedic surgeons practicing in Whittier.

SurgeonProceduresSpecialties
Dr. Amir Rounaghi 33 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. Andrew Hsiao, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-andrew-hsiao-whittier.html

Link: https://orthoprocedures.com/surgeons/ca/dr-andrew-hsiao-whittier.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.