Dr. Daniel Witmer, M.D.
Dr. Daniel Witmer is a board-certified orthopedic surgeon practicing in Farmington, Connecticut. A Medicare provider since 2012, Dr. Witmer has performed 55 Medicare-verified knee replacements (#14 in Connecticut) and 34 hip replacements, for a combined total of 89 procedures.
In Connecticut, Dr. Witmer performs above average in knee (55 vs 34 avg), near average in hip (34 vs 31 avg).
Dr. Witmer's reported Medicare volume is split between knee replacements (55 cases) and hip replacements (34 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.
Medicare records for Dr. Witmer extend back to 2019, covering 5 years of data. Over that period, recorded procedure volume increased from 50 to 89 in the most recent data, a 78% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Witmer's 55 verified procedures is above the national average of 45.
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. Witmer Compares
Procedure volume compared to the Connecticut state average.
Contact & Location
Farmington, CT 06030
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Witmer's Medicare-recorded procedure volume has trended upward over 5 years, increasing 78% from 50 procedures in 2019 to 89 in the most recent data.
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 Knee Replacement
If you are considering knee replacement surgery, these evidence-based guides can help you prepare and recover:
An overview of current surgical approaches including robotic-assisted and minimally invasive techniques, implant options, and expected outcomes.
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.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
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.
Knee Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after knee replacement surgery:
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. Witmer
How does Dr. Witmer's procedure volume compare to other Connecticut surgeons?
Dr. Witmer has performed 89 Medicare-verified joint replacement procedures. This is significantly above the Connecticut average of 47 procedures per surgeon. Dr. Witmer ranks #17 out of 101 orthopedic surgeons in Connecticut.
What types of joint replacement does Dr. Witmer perform?
Dr. Witmer's Medicare data shows procedures in knee replacement (55 cases) and hip replacement (34 cases).
How experienced is Dr. Witmer with knee replacement surgery?
Dr. Witmer ranks #14 in Connecticut for knee replacement with 55 Medicare-verified procedures. This high ranking among 101 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Witmer 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. Witmer 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. Witmer's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 89 procedures shown here.
Has Dr. Witmer's procedure volume changed over time?
Yes. Dr. Witmer's Medicare-recorded volume has increased from 50 procedures in 2019 to 89 in the most recent data, a 78% increase over 5 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 104 procedures in 2022.
Does Dr. Witmer perform more than one type of joint replacement?
Yes. Dr. Witmer's Medicare data shows procedures in knee replacement (55 cases), hip replacement (34 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Witmer affiliated with?
According to CMS facility affiliation data, Dr. Witmer is affiliated with Hartford Hospital, Middlesex Hospital.
How does Dr. Witmer compare to other orthopedic surgeons in Farmington?
Among the 3 orthopedic surgeons in Farmington, Dr. Witmer ranks #1 by total Medicare procedure volume. Dr. Witmer has the highest verified Medicare volume in the city.
What are the quality ratings for hospitals where Dr. Witmer practices?
Hartford Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Middlesex 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 Farmington, Connecticut
Dr. Witmer's 89 Medicare procedures are above the Farmington average of 42. The table below compares verified procedure volumes for orthopedic surgeons practicing in Farmington.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Michael Sobieraj | 23 | Hip, Knee |
| Dr. Kevin Shea | 15 | Shoulder |
Patient Reviews & Ratings
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