Knee
Dr. John Grandrimo, D.O.
Dr. John Grandrimo is a board-certified orthopedic surgeon practicing in Harrisburg, Pennsylvania. Dr. Grandrimo has performed 30 Medicare-verified knee replacements, ranking #174 in Pennsylvania.
In Pennsylvania, Dr. Grandrimo performs below average in knee (30 vs 45 avg).
Dr. Grandrimo's Medicare data shows a focused knee replacement practice with 30 verified procedures. Surgeons who concentrate on a single procedure type often develop deep procedural expertise, though total practice volume may include additional procedures not captured in Medicare fee-for-service data.
Harrisburg is home to 7 orthopedic surgeons in the current Medicare dataset. Patients in the Harrisburg area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Grandrimo extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 12 to 30 in the most recent data, a 150% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Grandrimo's 30 knee replacement procedures is below the national average of 45 among 6,720 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. Grandrimo Compares
Procedure volume compared to the Pennsylvania state average.
Contact & Location
Harrisburg, PA 17109
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Grandrimo's Medicare-recorded procedure volume has trended upward over 11 years, increasing 150% from 12 procedures in 2013 to 30 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.
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 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. Grandrimo
How does Dr. Grandrimo's procedure volume compare to other Pennsylvania surgeons?
Dr. Grandrimo has performed 30 Medicare-verified joint replacement procedures. The Pennsylvania average is 63 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Grandrimo ranks #260 out of 388 orthopedic surgeons in Pennsylvania.
What types of joint replacement does Dr. Grandrimo perform?
Dr. Grandrimo's reported Medicare volume is focused on knee replacement, with 30 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Grandrimo in Harrisburg?
Yes. There are 7 orthopedic surgeons in Harrisburg 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 Pennsylvania surgeons.
What does the Medicare data for Dr. Grandrimo 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. Grandrimo's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 30 procedures shown here.
Has Dr. Grandrimo's procedure volume changed over time?
Yes. Dr. Grandrimo's Medicare-recorded volume has increased from 12 procedures in 2013 to 30 in the most recent data, a 150% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 43 procedures in 2020.
Which hospitals is Dr. Grandrimo affiliated with?
According to CMS facility affiliation data, Dr. Grandrimo is affiliated with Upmc Pinnacle Hospitals.
How does Dr. Grandrimo compare to other orthopedic surgeons in Harrisburg?
Among the 7 orthopedic surgeons in Harrisburg, Dr. Grandrimo ranks #5 by total Medicare procedure volume. The highest-volume surgeon in Harrisburg has 124 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Grandrimo practices?
Upmc Pinnacle Hospitals (4 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 Harrisburg, Pennsylvania
Dr. Grandrimo's 30 Medicare procedures are below the Harrisburg average of 58. The table below compares verified procedure volumes for orthopedic surgeons practicing in Harrisburg.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Alex Shin | 124 | Hip, Knee |
| Dr. Scott King | 105 | Hip, Knee |
| Dr. Matthew Espenshade | 81 | Hip, Knee, Shoulder |
| Dr. Eric Kutz | 38 | Hip, Knee |
| Dr. Timothy Ackerman | 18 | Knee |
| Dr. Lisa O'brien | 13 | Shoulder |
Patient Reviews & Ratings
OrthoProcedures.com focuses on verified Medicare procedure data. For patient reviews, ratings, and appointment scheduling, visit these trusted platforms:
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