#18 in Florida
Shoulder

Dr. Zakariah Mahmood, M.D.

Orthopedic Surgery
61 procedures 1 hospital Ocala, FL
Latest available Medicare data — updated April 2026
Rising Star
Shoulder replacement recovery kit Slings, cold therapy, and adaptive clothing for recovery
National Comparison by Procedure
Shoulder 61 vs 28 avg (2,092 surgeons)

Dr. Zakariah Mahmood is a board-certified orthopedic surgeon practicing in Ocala, Florida. A Medicare provider since 2007, Dr. Mahmood has performed 61 Medicare-verified shoulder replacements, ranking #18 in Florida.

In Florida, Dr. Mahmood performs above average in shoulder (61 vs 34 avg).

Dr. Mahmood's Medicare data shows a focused shoulder replacement practice with 61 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 8 years of data. Over that period, recorded procedure volume increased from 18 to 61 in the most recent data, a 239% increase. This sustained growth reflects an expanding joint replacement practice.

Among 2,092 shoulder replacement surgeons tracked nationally, Dr. Mahmood's 61 verified procedures is more than 2x the national average of 28, ranking #163 nationally.

Verified Medicare Cases

Shoulder Replacement
61 verified cases
#18 in Florida
Estimated total: 160 – 180 procedures (all insurers)
Based on Medicare FFS representing 33–37% of national joint replacement volume
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.

Shoulder High
61 Avg: 34
Dr. Mahmood Florida Average

Contact & Location

Phone: 352-620-1900
1710 Se 16th Ave
Ocala, FL 34471
NPI: 1154530616
Credentials: M.D.
Active Medicare provider (NPI verified)
19 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Mahmood's Medicare-recorded procedure volume has trended upward over 8 years, increasing 239% from 18 procedures in 2016 to 61 in the most recent data.

Years of Data 8
2023 Volume 61
Peak Volume 61 (2021)
Trend Growing

Hospital Affiliations & Quality

H
Hca Florida Ocala Hospital
★☆☆☆☆
Ocala, FL
Similar to national avg

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.

Shoulder Replacement Recovery Overview

Recovery timelines vary by patient, but here is a general overview of what to expect after shoulder replacement surgery:

Week 1-3 Arm in a sling for protection. Gentle pendulum exercises under therapist guidance. Focus on pain management and wound care.
Week 4-6 Gradual sling weaning. Begin passive and active-assisted range-of-motion exercises. Light daily activities resume.
Week 7-12 Active range-of-motion exercises. Light strengthening begins. Most patients can drive and perform desk work.
Month 4-6 Progressive strengthening continues. Return to most activities. Full recovery may take 6-12 months for complete shoulder strength.

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 61 Medicare-verified joint replacement procedures. This is in line with the Florida average of 72 procedures per surgeon. Dr. Mahmood ranks #213 out of 509 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 61 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

How experienced is Dr. Mahmood with shoulder replacement surgery?

Dr. Mahmood ranks #18 in Florida for shoulder replacement with 61 Medicare-verified procedures. This high ranking among 509 state surgeons indicates significant experience with this specific procedure.

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 61 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 61 in the most recent data, a 239% increase over 8 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 #5 by total Medicare procedure volume. The highest-volume surgeon in Ocala has 279 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 61 Medicare procedures are below the Ocala average of 117. The table below compares verified procedure volumes for orthopedic surgeons practicing in Ocala.

SurgeonProceduresSpecialties
Dr. Joseph Locker 279 Hip, Knee
Dr. James Duke 186 Hip, Knee
Dr. Marc Rogers 113 Hip, Knee
Dr. Derek Farr 98 Hip, Knee, Shoulder
Dr. Christopher Manseau 46 Knee, Shoulder
Dr. Karl Siebuhr 35 Hip, Knee

Patient Reviews & Ratings

OrthoProcedures.com focuses on verified Medicare procedure data. For patient reviews, ratings, and appointment scheduling, visit these trusted platforms:

These links lead to third-party websites. OrthoProcedures.com is not affiliated with these platforms and cannot verify the accuracy of reviews.

Cite This Data

APA: OrthoProcedures. (2026). Dr. Zakariah Mahmood, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/fl/dr-zakariah-mahmood-ocala.html

Link: https://orthoprocedures.com/surgeons/fl/dr-zakariah-mahmood-ocala.html

Data source: CMS Medicare Part B Provider Utilization & Payment Data. Full methodology | Open Data API

Important: Rankings are based solely on Medicare procedure volume and do not reflect quality of care, patient outcomes, or procedures covered by private insurance. This data represents approximately one-third to 40% of all joint replacement procedures nationwide. Always consult with healthcare providers to make informed decisions about your care.