Dr. John Keggi, MD

Orthopedic Surgery
110 procedures 3 hospitals Middlebury, CT
Latest available Medicare data — updated May 2026

Contact & Location

203-598-0700
Phone: 203-598-0700
Practice phone listed in the NPI registry
1579 Straits Turnpike, Suite E
Middlebury, CT 06762
NPI: 1952366072
Credentials: MD
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed MD
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 78 vs 36 national avg (4,532 surgeons)
Knee 32 vs 45 national avg (6,599 surgeons)

About Dr. Keggi

Dr. John Keggi is a board-certified orthopedic surgeon practicing in Middlebury, Connecticut. A Medicare provider since 2006, Dr. Keggi performed 78 Medicare-verified hip replacements (#3 in Connecticut) and 32 knee replacements in the latest annual CMS data, for a combined total of 110 procedures.

In Connecticut, Dr. Keggi performs well above the state average in hip (78 vs 32), near the state average in knee (32 vs 33).

Dr. Keggi's reported Medicare volume is split between hip replacements (78 cases) and knee replacements (32 cases).

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

Dr. Keggi's Medicare data spans 12 years, beginning in 2013. Volume peaked at 140 procedures in 2019 before settling at 110 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Among 4,532 hip replacement surgeons tracked nationally, Dr. Keggi's 78 verified procedures is more than 2x the national average of 36.

Verified Medicare Cases

Hip Replacement
78 verified cases
#3 in Connecticut
Knee Replacement
32 verified cases
#31 in Connecticut
Estimated total: 300 – 330 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. Keggi Compares

Procedure volume compared to the Connecticut state average.

Hip Very High
78 Avg: 32
Knee Average
32 Avg: 33
Dr. Keggi Connecticut Average

Volume Trend Analysis

Dr. Keggi's recorded volume peaked at 140 procedures in 2019 and stood at 110 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 12
2024 Volume 110
Peak Volume 140 (2019)
Trend Declining

Hospital Affiliations & Quality

H
Midstate Medical Center
4/5
Meriden, CT
Similar to national avg
H
Danbury Hospital
3/5
Danbury, CT
Similar to national avg
H
Charlotte Hungerford Hospital
3/5
Torrington, 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.

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. Keggi

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

Dr. Keggi has performed 110 Medicare-verified joint replacement procedures. This is more than 2x the Connecticut average of 49 procedures per surgeon. Dr. Keggi ranks #8 out of 94 orthopedic surgeons in Connecticut.

What types of joint replacement does Dr. Keggi perform?

Dr. Keggi's Medicare data shows procedures in hip replacement (78 cases) and knee replacement (32 cases).

How experienced is Dr. Keggi with hip replacement surgery?

Dr. Keggi ranks #3 in Connecticut for hip replacement with 78 Medicare-verified procedures. This high ranking among 94 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Keggi in Middlebury?

Yes. There are 4 orthopedic surgeons in Middlebury 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. Keggi 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. Keggi's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 110 procedures shown here.

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

Dr. Keggi's Medicare-recorded volume peaked at 140 procedures in 2019 and was 110 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. Keggi perform more than one type of joint replacement?

Yes. Dr. Keggi's Medicare data shows procedures in hip replacement (78 cases), knee replacement (32 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Keggi affiliated with?

According to CMS facility affiliation data, Dr. Keggi is affiliated with Midstate Medical Center, Danbury Hospital, Charlotte Hungerford Hospital.

How does Dr. Keggi compare to other orthopedic surgeons in Middlebury?

Among the 4 orthopedic surgeons in Middlebury, Dr. Keggi ranks #2 by total Medicare procedure volume. Dr. Keggi is among the highest-volume surgeons in Middlebury.

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

Midstate Medical Center (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Danbury Hospital (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Charlotte Hungerford Hospital (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 Middlebury, Connecticut

Dr. Keggi's 110 Medicare procedures are above the Middlebury average of 73. The table below compares verified procedure volumes for orthopedic surgeons practicing in Middlebury.

SurgeonProceduresSpecialties
Dr. Robert Kennon 131 Hip, Knee
Dr. Erik Carlson 26 Knee
Dr. Michael Kaplan 26 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. John Keggi, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ct/dr-john-keggi-middlebury.html

Link: https://orthoprocedures.com/surgeons/ct/dr-john-keggi-middlebury.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.