#14 Hip
#20 Knee

Dr. John Irving, M.D.

Orthopedic Surgery
85 procedures 3 hospitals Hamden, CT
Latest available Medicare data — updated April 2026
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 40 vs 36 avg (4,526 surgeons)
Knee 45 vs 45 avg (6,720 surgeons)

Dr. John Irving is a board-certified orthopedic surgeon practicing in Hamden, Connecticut. A Medicare provider since 2005, Dr. Irving has performed 45 Medicare-verified knee replacements (#20 in Connecticut) and 40 hip replacements, for a combined total of 85 procedures.

In Connecticut, Dr. Irving performs above average in knee (45 vs 34 avg), above average in hip (40 vs 31 avg).

Dr. Irving's reported Medicare volume is split between knee replacements (45 cases) and hip replacements (40 cases).

Beyond general orthopedic surgery, Dr. Irving holds additional credentials in Adult Reconstructive Orthopaedic Surgery, reflecting subspecialty training that may benefit patients with complex joint conditions.

Hamden is home to 11 orthopedic surgeons in the current Medicare dataset. Patients in the Hamden area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Irving's Medicare data spans 11 years, beginning in 2013. Volume peaked at 138 procedures in 2017 before settling at 85 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Irving's 45 verified procedures is near the national average of 45.

Verified Medicare Cases

Knee Replacement
45 verified cases
#20 in Connecticut
Hip Replacement
40 verified cases
#14 in Connecticut
Estimated total: 230 – 260 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. Irving Compares

Procedure volume compared to the Connecticut state average.

Hip High
40 Avg: 31
Knee High
45 Avg: 34
Dr. Irving Connecticut Average

Contact & Location

Phone: 203-865-6784
9 Washington Ave Fl 1-A
Hamden, CT 06518
NPI: 1124024674
Credentials: M.D.
Active Medicare provider (NPI verified)
21 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Irving's recorded volume peaked at 138 procedures in 2017 and stood at 85 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 11
2023 Volume 85
Peak Volume 138 (2017)
Trend Declining

Hospital Affiliations & Quality

H
St Vincent'S Medical Center
★★★☆☆
Bridgeport, CT
Similar to national avg
H
Midstate Medical Center
★★★★☆
Meriden, CT
Similar to national avg
H
Yale-New Haven Hospital
★★★☆☆
New Haven, CT
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.

Knee Replacement Recovery Overview

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

Week 1-2 Walking with assistive device. Knee bending exercises begin immediately. Ice therapy and elevation for swelling control.
Week 3-6 Increased range of motion (target 90 degrees). Walking longer distances. Physical therapy intensifies with strengthening exercises.
Week 7-12 Most patients walk without assistive devices. Resume driving and desk work. Continue PT for strength and flexibility.
Month 4-6 Near-full recovery. Resume most recreational activities. Some swelling and stiffness may persist but continues improving.

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

Frequently Asked Questions About Dr. Irving

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

Dr. Irving has performed 85 Medicare-verified joint replacement procedures. This is significantly above the Connecticut average of 47 procedures per surgeon. Dr. Irving ranks #20 out of 101 orthopedic surgeons in Connecticut.

What types of joint replacement does Dr. Irving perform?

Dr. Irving's Medicare data shows procedures in knee replacement (45 cases) and hip replacement (40 cases).

How experienced is Dr. Irving with knee replacement surgery?

Dr. Irving ranks #20 in Connecticut for knee replacement with 45 Medicare-verified procedures. This high ranking among 101 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Irving in Hamden?

Yes. There are 11 orthopedic surgeons in Hamden 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. Irving 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. Irving's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 85 procedures shown here.

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

Dr. Irving's Medicare-recorded volume peaked at 138 procedures in 2017 and was 85 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. Irving perform more than one type of joint replacement?

Yes. Dr. Irving's Medicare data shows procedures in knee replacement (45 cases), hip replacement (40 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Irving affiliated with?

According to CMS facility affiliation data, Dr. Irving is affiliated with St Vincent'S Medical Center, Midstate Medical Center, Yale-New Haven Hospital.

How does Dr. Irving compare to other orthopedic surgeons in Hamden?

Among the 11 orthopedic surgeons in Hamden, Dr. Irving ranks #2 by total Medicare procedure volume. Dr. Irving is among the highest-volume surgeons in Hamden.

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

St Vincent'S Medical Center (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Midstate Medical Center (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Yale-New Haven Hospital (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 Hamden, Connecticut

Dr. Irving's 85 Medicare procedures are above the Hamden average of 55. The table below compares verified procedure volumes for orthopedic surgeons practicing in Hamden.

SurgeonProceduresSpecialties
Dr. John McCallum 106 Knee
Dr. Stephen Nelson 82 Hip, Knee
Dr. Kenoma Anighoro 33 Hip, Knee
Dr. John Daigneault 33 Shoulder
Dr. Eric Padegimas 26 Shoulder
Dr. David Gibson 21 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. John Irving, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ct/dr-john-irving-hamden.html

Link: https://orthoprocedures.com/surgeons/ct/dr-john-irving-hamden.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.