Dr. Nina Shervin, MD
Contact & Location
207-490-7844
Kennebunk, ME 04043
About Dr. Shervin
Dr. Nina Shervin is a board-certified orthopedic surgeon practicing in Kennebunk, Maine. A Medicare provider since 2007, Dr. Shervin performed 107 Medicare-verified knee replacements (#2 in Maine) and 76 hip replacements in the latest annual CMS data, for a combined total of 183 procedures.
In Maine, Dr. Shervin performs well above the state average in knee (107 vs 44), well above the state average in hip (76 vs 31).
Dr. Shervin's reported Medicare volume is split between knee replacements (107 cases) and hip replacements (76 cases).
Dr. Shervin is the only orthopedic surgeon in Kennebunk represented in the current Medicare dataset, serving as the primary local option for patients considering joint replacement surgery in the area.
Medicare records for Dr. Shervin extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 37 to 183 in the most recent data, a 395% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Shervin's 107 verified procedures is more than 2x the national average of 45.
Verified Case Volume Trends (2013-Current)
| Year | Hip Replacement | Knee Replacement |
|---|---|---|
| 2013 | 13 | 24 |
| 2014 | 12 | 25 |
| 2015 | 42 | 70 |
| 2016 | 80 | 126 |
| 2017 | 109 | 118 |
| 2018 | 109 | 164 |
| 2019 | 106 | 176 |
| 2020 | 93 | 121 |
| 2021 | 96 | 144 |
| 2022 | 88 | 150 |
| 2023 | 73 | 126 |
| 2024 | 76 | 107 |
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. Shervin Compares
Procedure volume compared to the Maine state average.
Volume Trend Analysis
Dr. Shervin's Medicare-recorded procedure volume has trended upward over 12 years, increasing 395% from 37 procedures in 2013 to 183 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.
Prehabilitation: Preparing Your Body for SurgeryEvidence-based exercises and lifestyle adjustments that can improve surgical outcomes and speed recovery when started weeks before your procedure.
Recovery Timeline: Week-by-Week ExpectationsA detailed week-by-week guide covering pain levels, mobility milestones, physical therapy progression, and when to expect a return to daily activities.
Medicare Bundled Payment Programs for Joint ReplacementHow bundled payment models affect your joint replacement costs and care coordination, and what it means for hospital and surgeon selection.
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. Shervin
How does Dr. Shervin's procedure volume compare to other Maine surgeons?
Dr. Shervin has performed 183 Medicare-verified joint replacement procedures. This is more than 3x the Maine average of 52 procedures per surgeon. Dr. Shervin ranks #2 out of 43 orthopedic surgeons in Maine.
What types of joint replacement does Dr. Shervin perform?
Dr. Shervin's Medicare data shows procedures in knee replacement (107 cases) and hip replacement (76 cases).
How experienced is Dr. Shervin with knee replacement surgery?
Dr. Shervin ranks #2 in Maine for knee replacement with 107 Medicare-verified procedures. This high ranking among 43 state surgeons indicates significant experience with this specific procedure.
Where is Dr. Shervin's practice located?
Dr. Shervin practices in Kennebunk, Maine. The office is located at 2 Livewell Dr, Kennebunk, ME 04043. Patients in the surrounding area can consult Dr. Shervin for joint replacement evaluation.
What does the Medicare data for Dr. Shervin 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. Shervin's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 183 procedures shown here.
Has Dr. Shervin's procedure volume changed over time?
Yes. Dr. Shervin's Medicare-recorded volume has increased from 37 procedures in 2013 to 183 in the most recent data, a 395% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 282 procedures in 2019.
Does Dr. Shervin perform more than one type of joint replacement?
Yes. Dr. Shervin's Medicare data shows procedures in knee replacement (107 cases), hip replacement (76 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Shervin affiliated with?
According to CMS facility affiliation data, Dr. Shervin is affiliated with Beth Israel Deaconess Hospital-Milton Inc. Dr. Shervin maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.
What are the quality ratings for hospitals where Dr. Shervin practices?
Beth Israel Deaconess Hospital-Milton Inc (4 out of 5 CMS stars, hip/knee complication rate better than national average). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
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.