Dr. Andrew Hagar, MD
Contact & Location
Concord, NH 03301
Dr. Andrew Hagar is a board-certified orthopedic surgeon practicing in Concord, New Hampshire. Dr. Hagar has performed 38 Medicare-verified hip replacements (#18 in New Hampshire) and 34 knee replacements, for a combined total of 72 procedures.
In New Hampshire, Dr. Hagar performs near average in hip (38 vs 40 avg), below average in knee (34 vs 50 avg).
Dr. Hagar's reported Medicare volume is split between hip replacements (38 cases) and knee replacements (34 cases).
Concord is home to 9 orthopedic surgeons in the current Medicare dataset. Patients in the Concord area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Hagar first appears in the Medicare dataset in 2024. With 1 year of recorded data, the longitudinal trend is still developing.
Among 4,532 hip replacement surgeons tracked nationally, Dr. Hagar's 38 verified procedures is near the national average of 36.
Verified Case Volume Trends (2013-Current)
Verified Medicare Cases
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. Hagar Compares
Procedure volume compared to the New Hampshire state average.
Hospital Affiliations & Quality
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:
Understanding the progression from conservative treatments to surgical intervention, and how to determine when hip replacement becomes the right choice.
What to Expect on the Day of SurgeryA step-by-step walkthrough of your surgical day, from pre-op preparation through anesthesia, the procedure itself, and the first hours of recovery.
Rehabilitation Roadmap: Your Complete Recovery GuideA structured physical therapy progression from the first post-op exercises through full strength and mobility restoration over 3 to 6 months.
Medicare Coverage for Joint ReplacementWhat Medicare Part A and Part B cover for joint replacement surgery, including hospital stays, surgeon fees, anesthesia, and physical therapy.
Hip Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after hip replacement surgery:
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. Hagar
How does Dr. Hagar's procedure volume compare to other New Hampshire surgeons?
Dr. Hagar has performed 72 Medicare-verified joint replacement procedures. This is in line with the New Hampshire average of 68 procedures per surgeon. Dr. Hagar ranks #25 out of 56 orthopedic surgeons in New Hampshire.
What types of joint replacement does Dr. Hagar perform?
Dr. Hagar's Medicare data shows procedures in hip replacement (38 cases) and knee replacement (34 cases).
How experienced is Dr. Hagar with hip replacement surgery?
Dr. Hagar ranks #18 in New Hampshire for hip replacement with 38 Medicare-verified procedures. This high ranking among 56 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Hagar in Concord?
Yes. There are 9 orthopedic surgeons in Concord 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 New Hampshire surgeons.
What does the Medicare data for Dr. Hagar 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. Hagar's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 72 procedures shown here.
Does Dr. Hagar perform more than one type of joint replacement?
Yes. Dr. Hagar's Medicare data shows procedures in hip replacement (38 cases), knee replacement (34 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Hagar affiliated with?
According to CMS facility affiliation data, Dr. Hagar is affiliated with Concord Hospital, Concord Hospital- Laconia, Concord Hospital- Franklin, Huggins Hospital, Cheshire Medical Center.
How does Dr. Hagar compare to other orthopedic surgeons in Concord?
Among the 9 orthopedic surgeons in Concord, Dr. Hagar ranks #4 by total Medicare procedure volume. The highest-volume surgeon in Concord has 161 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Hagar practices?
Concord Hospital (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Concord Hospital- Laconia (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 Concord, New Hampshire
Dr. Hagar's 72 Medicare procedures are below the Concord average of 94. The table below compares verified procedure volumes for orthopedic surgeons practicing in Concord.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Jason Desmarais | 161 | Hip, Knee |
| Dr. Jeffrey Wiley | 148 | Hip, Knee |
| Dr. Neil Dion | 133 | Hip, Knee |
| Dr. Karen Boselli | 52 | Shoulder |
| Dr. Stephen Fox | 48 | Knee |
| Dr. Sean Burns | 44 | 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.