#51 Hip
#70 Knee

Dr. Michael Sobieraj, MD, PHD

Orthopedic Surgery
23 procedures 1 hospital Farmington, CT
Latest available Medicare data — updated April 2026
Hip replacement recovery kit Essentials every patient wishes they bought first
National Comparison by Procedure
Hip 12 vs 36 avg (4,526 surgeons)
Knee 11 vs 45 avg (6,720 surgeons)

Dr. Michael Sobieraj is a board-certified orthopedic surgeon practicing in Farmington, Connecticut. A Medicare provider since 2010, Dr. Sobieraj has performed 12 Medicare-verified hip replacements (#51 in Connecticut) and 11 knee replacements, for a combined total of 23 procedures.

In Connecticut, Dr. Sobieraj performs below average in hip (12 vs 31 avg), below average in knee (11 vs 34 avg).

Dr. Sobieraj's reported Medicare volume is split between hip replacements (12 cases) and knee replacements (11 cases).

Farmington is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Farmington area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Sobieraj's Medicare data spans 4 years, beginning in 2019. Volume peaked at 42 procedures in 2022 before settling at 23 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Dr. Sobieraj's 12 hip replacement procedures is below the national average of 36 among 4,526 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Hip Replacement
12 verified cases
#51 in Connecticut
Knee Replacement
11 verified cases
#70 in Connecticut
Estimated total: 60 – 70 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. Sobieraj Compares

Procedure volume compared to the Connecticut state average.

Hip Below Avg
12 Avg: 31
Knee Below Avg
11 Avg: 34
Dr. Sobieraj Connecticut Average

Contact & Location

Phone: 860-679-6600
263 Farmington Avenue
Farmington, CT 06030
NPI: 1013235829
Credentials: MD, PHD
Active Medicare provider (NPI verified)
16 years of practice experience
Licensed MD, PhD
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Sobieraj's recorded volume peaked at 42 procedures in 2022 and stood at 23 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 23
Peak Volume 42 (2022)
Trend Declining

Hospital Affiliations & Quality

H
John Dempsey Hospital Of The University Of Connect
★★★☆☆
Farmington, CT
Low case volume

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.

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. Sobieraj

How does Dr. Sobieraj's procedure volume compare to other Connecticut surgeons?

Dr. Sobieraj has performed 23 Medicare-verified joint replacement procedures. The Connecticut average is 47 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Sobieraj ranks #64 out of 101 orthopedic surgeons in Connecticut.

What types of joint replacement does Dr. Sobieraj perform?

Dr. Sobieraj's Medicare data shows procedures in hip replacement (12 cases) and knee replacement (11 cases).

Are there other orthopedic surgeons near Dr. Sobieraj in Farmington?

Yes. There are 3 orthopedic surgeons in Farmington 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 Connecticut surgeons.

What does the Medicare data for Dr. Sobieraj 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. Sobieraj's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 23 procedures shown here.

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

Dr. Sobieraj's Medicare-recorded volume peaked at 42 procedures in 2022 and was 23 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.

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

Yes. Dr. Sobieraj's Medicare data shows procedures in hip replacement (12 cases), knee replacement (11 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Sobieraj affiliated with?

According to CMS facility affiliation data, Dr. Sobieraj is affiliated with John Dempsey Hospital Of The University Of Connect.

How does Dr. Sobieraj compare to other orthopedic surgeons in Farmington?

Among the 3 orthopedic surgeons in Farmington, Dr. Sobieraj ranks #2 by total Medicare procedure volume. Dr. Sobieraj is among the highest-volume surgeons in Farmington.

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

John Dempsey Hospital Of The University Of Connect (3 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 Farmington, Connecticut

Dr. Sobieraj's 23 Medicare procedures are below the Farmington average of 42. The table below compares verified procedure volumes for orthopedic surgeons practicing in Farmington.

SurgeonProceduresSpecialties
Dr. Daniel Witmer 89 Hip, Knee
Dr. Kevin Shea 15 Shoulder

Patient Reviews & Ratings

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Cite This Data

APA: OrthoProcedures. (2026). Dr. Michael Sobieraj, MD, PHD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ct/dr-michael-sobieraj-farmington.html

Link: https://orthoprocedures.com/surgeons/ct/dr-michael-sobieraj-farmington.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.