Dr. Zakariah Mahmood, M.D.
Contact & Location
352-620-1900
Ocala, FL 34471
About Dr. Mahmood
Dr. Zakariah Mahmood is a board-certified orthopedic surgeon practicing in Ocala, Florida. A Medicare provider since 2007, Dr. Mahmood performed 49 Medicare-verified shoulder replacements in the latest annual CMS data, ranking #27 in Florida.
In Florida, Dr. Mahmood performs above the state average in shoulder (49 vs 34).
Dr. Mahmood's Medicare data shows a focused shoulder replacement practice with 49 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.
Ocala is home to 8 orthopedic surgeons in the current Medicare dataset. Patients in the Ocala area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Mahmood extend back to 2016, covering 9 years of data. Over that period, recorded procedure volume increased from 18 to 49 in the most recent data, a 172% increase. This sustained growth reflects an expanding joint replacement practice.
Among 2,213 shoulder replacement surgeons tracked nationally, Dr. Mahmood's 49 verified procedures is above the national average of 29.
Verified Case Volume Trends (2013-Current)
| Year | Shoulder Replacement |
|---|---|
| 2013 | 0 |
| 2014 | 0 |
| 2015 | 0 |
| 2016 | 18 |
| 2017 | 51 |
| 2018 | 54 |
| 2019 | 54 |
| 2020 | 45 |
| 2021 | 61 |
| 2022 | 56 |
| 2023 | 61 |
| 2024 | 49 |
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. Mahmood Compares
Procedure volume compared to the Florida state average.
Volume Trend Analysis
Dr. Mahmood's Medicare-recorded procedure volume has trended upward over 9 years, increasing 172% from 18 procedures in 2016 to 49 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 Shoulder Replacement
If you are considering shoulder replacement surgery, these evidence-based guides can help you prepare and recover:
A step-by-step walkthrough of your surgical day, from pre-op preparation through anesthesia, the procedure itself, and the first hours of recovery.
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 Coverage for Joint ReplacementWhat Medicare Part A and Part B cover for joint replacement surgery, including hospital stays, surgeon fees, anesthesia, and physical therapy.
Shoulder Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after shoulder replacement surgery:
Individual recovery varies based on overall health, age, and adherence to physical therapy. View full shoulder replacement recovery guide and product recommendations
Frequently Asked Questions About Dr. Mahmood
How does Dr. Mahmood's procedure volume compare to other Florida surgeons?
Dr. Mahmood has performed 49 Medicare-verified joint replacement procedures. The Florida average is 72 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Mahmood ranks #263 out of 523 orthopedic surgeons in Florida.
What types of joint replacement does Dr. Mahmood perform?
Dr. Mahmood's reported Medicare volume is focused on shoulder replacement, with 49 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Mahmood in Ocala?
Yes. There are 8 orthopedic surgeons in Ocala 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 Florida surgeons.
What does the Medicare data for Dr. Mahmood 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. Mahmood's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 49 procedures shown here.
Has Dr. Mahmood's procedure volume changed over time?
Yes. Dr. Mahmood's Medicare-recorded volume has increased from 18 procedures in 2016 to 49 in the most recent data, a 172% increase over 9 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 61 procedures in 2021.
Which hospitals is Dr. Mahmood affiliated with?
According to CMS facility affiliation data, Dr. Mahmood is affiliated with Hca Florida Ocala Hospital.
How does Dr. Mahmood compare to other orthopedic surgeons in Ocala?
Among the 8 orthopedic surgeons in Ocala, Dr. Mahmood ranks #6 by total Medicare procedure volume. The highest-volume surgeon in Ocala has 138 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Mahmood practices?
Hca Florida Ocala Hospital (1 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 Ocala, Florida
Dr. Mahmood's 49 Medicare procedures are below the Ocala average of 76. The table below compares verified procedure volumes for orthopedic surgeons practicing in Ocala.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Marc Rogers | 138 | Hip, Knee |
| Dr. Derek Farr | 117 | Hip, Knee, Shoulder |
| Dr. Justin Deen | 76 | Hip, Knee |
| Dr. James McFadden | 67 | Hip, Knee |
| Dr. Karl Siebuhr | 49 | Hip, Knee, Shoulder |
| Dr. Luis Pulido Sierra | 37 | Hip, Knee |
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.