Dr. James Sieradzki, M.D.

Orthopedic Surgery
51 procedures 5 hospitals South Bend, IN
Latest available Medicare data — updated April 2026
Growing Volume

Contact & Location

Phone: 574-247-9441
Practice phone listed in the NPI registry
53880 Carmichael Dr
South Bend, IN 46635
NPI: 1578723185
Credentials: M.D.
Active Medicare provider (NPI verified)
18 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
Hip replacement recovery kit Essentials every patient wishes they bought first
National Comparison by Procedure
Hip 26 vs 36 avg (4,532 surgeons)
Knee 25 vs 45 avg (6,599 surgeons)

Dr. James Sieradzki is a board-certified orthopedic surgeon practicing in South Bend, Indiana. A Medicare provider since 2008, Dr. Sieradzki has performed 26 Medicare-verified hip replacements (#64 in Indiana) and 25 knee replacements, for a combined total of 51 procedures.

In Indiana, Dr. Sieradzki performs near average in hip (26 vs 31 avg), below average in knee (25 vs 41 avg).

Dr. Sieradzki's reported Medicare volume is split between hip replacements (26 cases) and knee replacements (25 cases).

South Bend is home to 14 orthopedic surgeons in the current Medicare dataset. Patients in the South Bend area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs. Dr. Sieradzki also maintains hospital privileges in IN and MI, indicating a regional practice that extends beyond Indiana.

Medicare records for Dr. Sieradzki extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 28 to 51 in the most recent data, a 82% increase. This sustained growth reflects an expanding joint replacement practice.

Dr. Sieradzki's 26 hip replacement procedures is below the national average of 36 among 4,532 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Hip Replacement
26 verified cases
#64 in Indiana
Knee Replacement
25 verified cases
#126 in Indiana
Estimated total: 140 – 150 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. Sieradzki Compares

Procedure volume compared to the Indiana state average.

Hip Average
26 Avg: 31
Knee Below Avg
25 Avg: 41
Dr. Sieradzki Indiana Average

Volume Trend Analysis

Dr. Sieradzki's Medicare-recorded procedure volume has trended upward over 11 years, increasing 82% from 28 procedures in 2013 to 51 in the most recent data.

Years of Data 11
2024 Volume 51
Peak Volume 75 (2023)
Trend Growing

Hospital Affiliations & Quality

H
Saint Joseph Regional Medical Center
2/5
Mishawaka, IN
Similar to national avg
H
Unity Physicians Hospital
Mishawaka, IN
Similar to national avg
H
Corewell Health Lakeland Hospitals St Joseph Hospi
4/5
St Joseph, MI
Low case volume
H
Northwest Health-La Porte
3/5
La Porte, IN
Low case volume
H
Saint Joseph Regional Medical Center - Plymouth
3/5
Plymouth, IN

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 Hip Replacement

If you are considering hip replacement surgery, these evidence-based guides can help you prepare and recover:

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. Sieradzki

How does Dr. Sieradzki's procedure volume compare to other Indiana surgeons?

Dr. Sieradzki has performed 51 Medicare-verified joint replacement procedures. This is in line with the Indiana average of 60 procedures per surgeon. Dr. Sieradzki ranks #111 out of 224 orthopedic surgeons in Indiana.

What types of joint replacement does Dr. Sieradzki perform?

Dr. Sieradzki's Medicare data shows procedures in hip replacement (26 cases) and knee replacement (25 cases).

Are there other orthopedic surgeons near Dr. Sieradzki in South Bend?

Yes. There are 14 orthopedic surgeons in South Bend 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 Indiana surgeons.

What does the Medicare data for Dr. Sieradzki 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. Sieradzki's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 51 procedures shown here.

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

Yes. Dr. Sieradzki's Medicare-recorded volume has increased from 28 procedures in 2013 to 51 in the most recent data, a 82% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 75 procedures in 2023.

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

Yes. Dr. Sieradzki's Medicare data shows procedures in hip replacement (26 cases), knee replacement (25 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Sieradzki affiliated with?

According to CMS facility affiliation data, Dr. Sieradzki is affiliated with Saint Joseph Regional Medical Center, Unity Physicians Hospital, Corewell Health Lakeland Hospitals St Joseph Hospi, Northwest Health-La Porte, Saint Joseph Regional Medical Center - Plymouth. Dr. Sieradzki maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.

How does Dr. Sieradzki compare to other orthopedic surgeons in South Bend?

Among the 14 orthopedic surgeons in South Bend, Dr. Sieradzki ranks #7 by total Medicare procedure volume. The highest-volume surgeon in South Bend has 269 verified Medicare procedures.

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

Saint Joseph Regional Medical Center (2 out of 5 CMS stars, hip/knee complication rate similar to national average); Unity Physicians Hospital (hip/knee complication rate similar to national average); Corewell Health Lakeland Hospitals St Joseph Hospi (4 out of 5 CMS stars, insufficient case volume for complication rate comparison). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.

Other Orthopedic Surgeons in South Bend, Indiana

Dr. Sieradzki's 51 Medicare procedures are below the South Bend average of 109. The table below compares verified procedure volumes for orthopedic surgeons practicing in South Bend.

SurgeonProceduresSpecialties
Dr. Jeffrey Yergler 269 Hip, Knee
Dr. Adam Cien 140 Hip, Knee
Dr. Henry Kim 86 Hip, Knee
Dr. Brian Ratigan 84 Knee, Shoulder
Dr. Gregg Ebersole 76 Hip, Knee
Dr. Joseph Statz 54 Hip, 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. James Sieradzki, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/in/dr-james-sieradzki-south-bend.html

Link: https://orthoprocedures.com/surgeons/in/dr-james-sieradzki-south-bend.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.