Dr. Brian Chalmers, M.D.
Dr. Brian Chalmers is a board-certified orthopedic surgeon practicing in New York, New York. A Medicare provider since 2014, Dr. Chalmers has performed 136 Medicare-verified knee replacements (#11 in New York) and 119 hip replacements, for a combined total of 255 procedures.
In New York, Dr. Chalmers performs well above average in knee (136 vs 45 avg), well above average in hip (119 vs 42 avg).
Dr. Chalmers's reported Medicare volume is split between knee replacements (136 cases) and hip replacements (119 cases).
New York is home to 84 orthopedic surgeons in the current Medicare dataset. Patients in the New York area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Chalmers extend back to 2020, covering 4 years of data. Over that period, recorded procedure volume increased from 12 to 255 in the most recent data, a 2025% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Chalmers's 136 verified procedures is more than 3x 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. Chalmers Compares
Procedure volume compared to the New York state average.
Contact & Location
New York, NY 10021
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Chalmers's Medicare-recorded procedure volume has trended upward over 4 years, increasing 2025% from 12 procedures in 2020 to 255 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.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
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. Chalmers
How does Dr. Chalmers's procedure volume compare to other New York surgeons?
Dr. Chalmers has performed 255 Medicare-verified joint replacement procedures. This is more than 3x the New York average of 67 procedures per surgeon. Dr. Chalmers ranks #6 out of 338 orthopedic surgeons in New York.
What types of joint replacement does Dr. Chalmers perform?
Dr. Chalmers's Medicare data shows procedures in knee replacement (136 cases) and hip replacement (119 cases).
How experienced is Dr. Chalmers with knee replacement surgery?
Dr. Chalmers ranks #11 in New York for knee replacement with 136 Medicare-verified procedures. This high ranking among 338 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Chalmers in New York?
Yes. There are 84 orthopedic surgeons in New York 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 York surgeons.
What does the Medicare data for Dr. Chalmers 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. Chalmers's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 255 procedures shown here.
Has Dr. Chalmers's procedure volume changed over time?
Yes. Dr. Chalmers's Medicare-recorded volume has increased from 12 procedures in 2020 to 255 in the most recent data, a 2025% increase over 4 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 255 procedures in 2023.
Does Dr. Chalmers perform more than one type of joint replacement?
Yes. Dr. Chalmers's Medicare data shows procedures in knee replacement (136 cases), hip replacement (119 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Chalmers affiliated with?
According to CMS facility affiliation data, Dr. Chalmers is affiliated with Hospital For Special Surgery, New York-Presbyterian Hospital, Helen Hayes Hospital.
How does Dr. Chalmers compare to other orthopedic surgeons in New York?
Among the 84 orthopedic surgeons in New York, Dr. Chalmers ranks #2 by total Medicare procedure volume. Dr. Chalmers is among the highest-volume surgeons in New York.
What are the quality ratings for hospitals where Dr. Chalmers practices?
Hospital For Special Surgery (5 out of 5 CMS stars, hip/knee complication rate similar to national average); New York-Presbyterian Hospital (5 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 New York, New York
Dr. Chalmers's 255 Medicare procedures are above the New York average of 248. The table below compares verified procedure volumes for orthopedic surgeons practicing in New York.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Amar Ranawat | 320 | Hip, Knee |
| Dr. Jason Blevins | 239 | Hip, Knee |
| Dr. Alexander McLawhorn | 238 | Hip, Knee |
| Dr. Alberto Carli | 235 | Hip, Knee |
| Dr. Matthew Austin | 231 | Hip, Knee |
| Dr. Geoffrey Westrich | 218 | Hip, Knee |
Patient Reviews & Ratings
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