Dr. Jonathan Piposar, M.D.

Orthopedic Surgery
34 procedures 3 hospitals Niantic, CT
Latest available Medicare data — updated April 2026
Growing Volume

Contact & Location

Phone: 860-889-7345
Practice phone listed in the NPI registry
11 Industrial Park Road
Niantic, CT 06357
NPI: 1417278060
Credentials: M.D.
Active Medicare provider (NPI verified)
16 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
Shoulder replacement recovery kit Slings, cold therapy, and adaptive clothing for recovery
National Comparison by Procedure
Knee 13 vs 45 avg (6,599 surgeons)
Shoulder 21 vs 29 avg (2,213 surgeons)

Dr. Jonathan Piposar is a board-certified orthopedic surgeon practicing in Niantic, Connecticut. A Medicare provider since 2010, Dr. Piposar has performed 21 Medicare-verified shoulder replacements (#16 in Connecticut) and 13 knee replacements, for a combined total of 34 procedures.

In Connecticut, Dr. Piposar performs below average in shoulder (21 vs 28 avg), below average in knee (13 vs 33 avg).

Dr. Piposar's reported Medicare volume is split between shoulder replacements (21 cases) and knee replacements (13 cases).

Beyond general orthopedic surgery, Dr. Piposar holds additional credentials in Sports Medicine, reflecting subspecialty training that may benefit patients with complex joint conditions.

Niantic is home to 2 orthopedic surgeons in the current Medicare dataset. Patients in the Niantic area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs. Dr. Piposar also maintains hospital privileges in CT and RI, indicating a regional practice that extends beyond Connecticut.

Medicare records for Dr. Piposar extend back to 2019, covering 5 years of data. Over that period, recorded procedure volume increased from 23 to 34 in the most recent data, a 48% increase. This sustained growth reflects an expanding joint replacement practice.

Dr. Piposar's 21 shoulder replacement procedures is below the national average of 29 among 2,213 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Shoulder Replacement
21 verified cases
#16 in Connecticut
Knee Replacement
13 verified cases
#58 in Connecticut
Estimated total: 90 – 100 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. Piposar Compares

Procedure volume compared to the Connecticut state average.

Knee Below Avg
13 Avg: 33
Shoulder Below Avg
21 Avg: 28
Dr. Piposar Connecticut Average

Volume Trend Analysis

Dr. Piposar's Medicare-recorded procedure volume has trended upward over 5 years, increasing 48% from 23 procedures in 2019 to 34 in the most recent data.

Years of Data 5
2024 Volume 34
Peak Volume 34 (2024)
Trend Growing

Hospital Affiliations & Quality

H
Lawrence & Memorial Hospital
3/5
New London, CT
Low case volume
H
William W Backus Hospital
4/5
Norwich, CT
Similar to national avg
H
Westerly Hospital
5/5
Westerly, RI
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.

Patient Resources: Preparing for Shoulder Replacement

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

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. Piposar

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

Dr. Piposar has performed 34 Medicare-verified joint replacement procedures. The Connecticut average is 49 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Piposar ranks #51 out of 94 orthopedic surgeons in Connecticut.

What types of joint replacement does Dr. Piposar perform?

Dr. Piposar's Medicare data shows procedures in shoulder replacement (21 cases) and knee replacement (13 cases).

How experienced is Dr. Piposar with shoulder replacement surgery?

Dr. Piposar ranks #16 in Connecticut for shoulder replacement with 21 Medicare-verified procedures. This high ranking among 94 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Piposar in Niantic?

Yes. There are 2 orthopedic surgeons in Niantic 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. Piposar 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. Piposar's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 34 procedures shown here.

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

Yes. Dr. Piposar's Medicare-recorded volume has increased from 23 procedures in 2019 to 34 in the most recent data, a 48% increase over 5 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 34 procedures in 2024.

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

Yes. Dr. Piposar's Medicare data shows procedures in shoulder replacement (21 cases), knee replacement (13 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Piposar affiliated with?

According to CMS facility affiliation data, Dr. Piposar is affiliated with Lawrence & Memorial Hospital, William W Backus Hospital, Westerly Hospital. Dr. Piposar maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.

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

Lawrence & Memorial Hospital (3 out of 5 CMS stars, insufficient case volume for complication rate comparison); William W Backus Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Westerly Hospital (5 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 Niantic, Connecticut

Dr. Piposar's 34 Medicare procedures are below the Niantic average of 80. The table below compares verified procedure volumes for orthopedic surgeons practicing in Niantic.

SurgeonProceduresSpecialties
Dr. Richard Thoms 125 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. Jonathan Piposar, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ct/dr-jonathan-piposar-niantic.html

Link: https://orthoprocedures.com/surgeons/ct/dr-jonathan-piposar-niantic.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.