Dr. Mark Verdun, D.O.

Orthopedic Surgery
19 procedures 2 hospitals Ashtabula, OH
Latest available Medicare data — updated April 2026

Contact & Location

Phone: 440-992-4422
Practice phone listed in the NPI registry
2422 Lake Avenue
Ashtabula, OH 44004
NPI: 1558300285
Credentials: D.O.
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed D.O.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety, all under $50
National Comparison by Procedure
Knee 19 vs 45 avg (6,599 surgeons)

Dr. Mark Verdun is a board-certified orthopedic surgeon practicing in Ashtabula, Ohio. A Medicare provider since 2006, Dr. Verdun has performed 19 Medicare-verified knee replacements, ranking #222 in Ohio.

In Ohio, Dr. Verdun performs below average in knee (19 vs 41 avg).

Dr. Verdun's Medicare data shows a focused knee replacement practice with 19 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.

Dr. Verdun is the only orthopedic surgeon in Ashtabula represented in the current Medicare dataset, serving as the primary local option for patients considering joint replacement surgery in the area.

Dr. Verdun's Medicare data spans 10 years, beginning in 2015. Volume peaked at 33 procedures in 2019 before settling at 19 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Dr. Verdun's 19 knee replacement procedures is below the national average of 45 among 6,599 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Knee Replacement
19 verified cases
#222 in Ohio
Estimated total: 50 – 60 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. Verdun Compares

Procedure volume compared to the Ohio state average.

Knee Below Avg
19 Avg: 41
Dr. Verdun Ohio Average

Volume Trend Analysis

Dr. Verdun's recorded volume peaked at 33 procedures in 2019 and stood at 19 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 10
2024 Volume 19
Peak Volume 33 (2019)
Trend Declining

Hospital Affiliations & Quality

H
Ashtabula County Medical Center
3/5
Ashtabula, OH
Similar to national avg
H
Cleveland Clinic
5/5
Cleveland, OH
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.

Patient Resources: Preparing for Knee Replacement

If you are considering knee replacement surgery, these evidence-based guides can help you prepare and recover:

Knee Replacement Recovery Overview

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

Week 1-2 Walking with assistive device. Knee bending exercises begin immediately. Ice therapy and elevation for swelling control.
Week 3-6 Increased range of motion (target 90 degrees). Walking longer distances. Physical therapy intensifies with strengthening exercises.
Week 7-12 Most patients walk without assistive devices. Resume driving and desk work. Continue PT for strength and flexibility.
Month 4-6 Near-full recovery. Resume most recreational activities. Some swelling and stiffness may persist but continues improving.

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. Verdun

How does Dr. Verdun's procedure volume compare to other Ohio surgeons?

Dr. Verdun has performed 19 Medicare-verified joint replacement procedures. The Ohio average is 59 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Verdun ranks #291 out of 370 orthopedic surgeons in Ohio.

What types of joint replacement does Dr. Verdun perform?

Dr. Verdun's reported Medicare volume is focused on knee replacement, with 19 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Where is Dr. Verdun's practice located?

Dr. Verdun practices in Ashtabula, Ohio. The office is located at 2422 Lake Avenue, Ashtabula, OH 44004. Patients in the surrounding area can consult Dr. Verdun for joint replacement evaluation.

What does the Medicare data for Dr. Verdun 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. Verdun's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 19 procedures shown here.

Has Dr. Verdun's procedure volume changed over time?

Dr. Verdun's Medicare-recorded volume peaked at 33 procedures in 2019 and was 19 in the most recent data. Volume fluctuations can reflect changes in payer mix, practice focus, or Medicare reporting rather than a change in overall surgical activity.

Which hospitals is Dr. Verdun affiliated with?

According to CMS facility affiliation data, Dr. Verdun is affiliated with Ashtabula County Medical Center, Cleveland Clinic.

What are the quality ratings for hospitals where Dr. Verdun practices?

Ashtabula County Medical Center (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Cleveland Clinic (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.

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.

Cite This Data

APA: OrthoProcedures. (2026). Dr. Mark Verdun, D.O. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/oh/dr-mark-verdun-ashtabula.html

Link: https://orthoprocedures.com/surgeons/oh/dr-mark-verdun-ashtabula.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.