Dr. Nicholas Grimaldi, D.O.
Dr. Nicholas Grimaldi is a board-certified orthopedic surgeon practicing in Morristown, Tennessee. Dr. Grimaldi has performed 11 Medicare-verified knee replacements (#171 in Tennessee) and 11 hip replacements, for a combined total of 22 procedures.
In Tennessee, Dr. Grimaldi performs below average in knee (11 vs 45 avg), below average in hip (11 vs 36 avg).
Dr. Grimaldi's reported Medicare volume is split between knee replacements (11 cases) and hip replacements (11 cases).
Morristown is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Morristown area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Grimaldi extend back to 2013, covering 6 years of data. Over that period, recorded procedure volume increased from 13 to 22 in the most recent data, a 69% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Grimaldi's 11 hip replacement procedures is below the national average of 36 among 4,526 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
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. Grimaldi Compares
Procedure volume compared to the Tennessee state average.
Contact & Location
Morristown, TN 37814
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Grimaldi's Medicare-recorded procedure volume has trended upward over 6 years, increasing 69% from 13 procedures in 2013 to 22 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 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.
Questions to Ask Your Surgeon Before Joint ReplacementA practical checklist of questions covering experience, technique, hospital choice, and recovery expectations to discuss during your surgical consultation.
Home Safety: Creating Your Recovery SanctuaryRoom-by-room modifications, equipment recommendations, and fall-prevention strategies to prepare your home for a safe post-surgical recovery.
Outpatient Joint Replacement: A Medicare GuideHow outpatient joint replacement works under Medicare, including eligibility criteria, cost differences, and what to expect with same-day discharge.
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. Grimaldi
How does Dr. Grimaldi's procedure volume compare to other Tennessee surgeons?
Dr. Grimaldi has performed 22 Medicare-verified joint replacement procedures. The Tennessee average is 64 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Grimaldi ranks #162 out of 214 orthopedic surgeons in Tennessee.
What types of joint replacement does Dr. Grimaldi perform?
Dr. Grimaldi's Medicare data shows procedures in knee replacement (11 cases) and hip replacement (11 cases).
Are there other orthopedic surgeons near Dr. Grimaldi in Morristown?
Yes. There are 3 orthopedic surgeons in Morristown 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 Tennessee surgeons.
What does the Medicare data for Dr. Grimaldi 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. Grimaldi's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 22 procedures shown here.
Has Dr. Grimaldi's procedure volume changed over time?
Yes. Dr. Grimaldi's Medicare-recorded volume has increased from 13 procedures in 2013 to 22 in the most recent data, a 69% increase over 6 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 22 procedures in 2023.
Does Dr. Grimaldi perform more than one type of joint replacement?
Yes. Dr. Grimaldi's Medicare data shows procedures in knee replacement (11 cases), hip replacement (11 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Grimaldi affiliated with?
According to CMS facility affiliation data, Dr. Grimaldi is affiliated with Musc Health Columbia Medical Center Downtown, Kershaw Medical Center. Dr. Grimaldi maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.
How does Dr. Grimaldi compare to other orthopedic surgeons in Morristown?
Among the 3 orthopedic surgeons in Morristown, Dr. Grimaldi ranks #2 by total Medicare procedure volume. Dr. Grimaldi is among the highest-volume surgeons in Morristown.
What are the quality ratings for hospitals where Dr. Grimaldi practices?
Musc Health Columbia Medical Center Downtown (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Kershaw Medical Center (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 Morristown, Tennessee
Dr. Grimaldi's 22 Medicare procedures are below the Morristown average of 26. The table below compares verified procedure volumes for orthopedic surgeons practicing in Morristown.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Ronald Christopher | 42 | Hip, Knee |
| Dr. Michael Bratton | 14 | Knee |
Patient Reviews & Ratings
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