#206 in Ohio
Knee

Dr. George Kellis, M.D.

Orthopedic Surgery
22 procedures 3 hospitals Chardon, OH
Latest available Medicare data — updated April 2026
Rising Star
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Knee 22 vs 45 avg (6,720 surgeons)

Dr. George Kellis is a board-certified orthopedic surgeon practicing in Chardon, Ohio. Dr. Kellis has performed 22 Medicare-verified knee replacements, ranking #206 in Ohio.

In Ohio, Dr. Kellis performs below average in knee (22 vs 40 avg).

Dr. Kellis's Medicare data shows a focused knee replacement practice with 22 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.

Chardon is home to 8 orthopedic surgeons in the current Medicare dataset. Patients in the Chardon area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Kellis extend back to 2016, covering 6 years of data. Over that period, recorded procedure volume increased from 12 to 22 in the most recent data, a 83% increase. This sustained growth reflects an expanding joint replacement practice.

Dr. Kellis's 22 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

Knee Replacement
22 verified cases
#206 in Ohio
Estimated total: 60 – 70 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. Kellis Compares

Procedure volume compared to the Ohio state average.

Knee Below Avg
22 Avg: 40
Dr. Kellis Ohio Average

Contact & Location

150 7th Ave Ste 200
Chardon, OH 44024
NPI: 1568449734
Credentials: M.D.
Active Medicare provider
Find Practice on Google Maps

Volume Trend Analysis

Dr. Kellis's Medicare-recorded procedure volume has trended upward over 6 years, increasing 83% from 12 procedures in 2016 to 22 in the most recent data.

Years of Data 6
2023 Volume 22
Peak Volume 23 (2020)
Trend Growing

Hospital Affiliations & Quality

H
Crystal Clinic Orthopaedic Center
★★★★★
Akron, OH
Better than national avg
H
Lake Health
★★★☆☆
Concord, OH
Similar to national avg
H
Southwest General Health Center
★★★★☆
Middleburg Heights, 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.

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. Kellis

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

Dr. Kellis has performed 22 Medicare-verified joint replacement procedures. The Ohio average is 57 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Kellis ranks #284 out of 378 orthopedic surgeons in Ohio.

What types of joint replacement does Dr. Kellis perform?

Dr. Kellis's reported Medicare volume is focused on knee replacement, with 22 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Kellis in Chardon?

Yes. There are 8 orthopedic surgeons in Chardon 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 Ohio surgeons.

What does the Medicare data for Dr. Kellis 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. Kellis's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 22 procedures shown here.

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

Yes. Dr. Kellis's Medicare-recorded volume has increased from 12 procedures in 2016 to 22 in the most recent data, a 83% increase over 6 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 23 procedures in 2020.

Which hospitals is Dr. Kellis affiliated with?

According to CMS facility affiliation data, Dr. Kellis is affiliated with Crystal Clinic Orthopaedic Center, Lake Health, Southwest General Health Center.

How does Dr. Kellis compare to other orthopedic surgeons in Chardon?

Among the 8 orthopedic surgeons in Chardon, Dr. Kellis ranks #4 by total Medicare procedure volume. The highest-volume surgeon in Chardon has 99 verified Medicare procedures.

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

Crystal Clinic Orthopaedic Center (5 out of 5 CMS stars, hip/knee complication rate better than national average); Lake Health (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Southwest General Health Center (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 Chardon, Ohio

Dr. Kellis's 22 Medicare procedures are below the Chardon average of 38. The table below compares verified procedure volumes for orthopedic surgeons practicing in Chardon.

SurgeonProceduresSpecialties
Dr. Gregory Sarkisian 99 Hip, Knee
Dr. Benjamin Silver 55 Hip, Knee
Dr. Kraig Solak 45 Hip, Knee
Dr. Scott Zimmer 18 Shoulder
Dr. Laszlo Harmat 16 Shoulder
Dr. J. Martin Leland 14 Shoulder

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. George Kellis, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/oh/dr-george-kellis-chardon.html

Link: https://orthoprocedures.com/surgeons/oh/dr-george-kellis-chardon.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.