Dr. George Kellis, M.D.

Orthopedic Surgery
36 procedures 3 hospitals Chardon, OH
Latest available Medicare data — updated April 2026
Growing Volume

Contact & Location

Phone: 440-285-4999
Practice phone listed in the NPI registry
150 7th Ave Ste 200
Chardon, OH 44024
NPI: 1568449734
Credentials: M.D.
Active Medicare provider (NPI verified)
21 years of practice experience
Licensed M.D.
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
Hip 15 vs 36 avg (4,532 surgeons)
Knee 21 vs 45 avg (6,599 surgeons)

Dr. George Kellis is a board-certified orthopedic surgeon practicing in Chardon, Ohio. A Medicare provider since 2005, Dr. Kellis has performed 21 Medicare-verified knee replacements (#211 in Ohio) and 15 hip replacements, for a combined total of 36 procedures.

In Ohio, Dr. Kellis performs below average in knee (21 vs 41 avg), below average in hip (15 vs 32 avg).

Dr. Kellis's reported Medicare volume is split between knee replacements (21 cases) and hip replacements (15 cases).

Chardon is home to 6 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 7 years of data. Over that period, recorded procedure volume increased from 12 to 36 in the most recent data, a 200% increase. This sustained growth reflects an expanding joint replacement practice.

Dr. Kellis's 21 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
21 verified cases
#211 in Ohio
Hip Replacement
15 verified cases
#163 in Ohio
Estimated total: 100 – 110 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.

Hip Below Avg
15 Avg: 32
Knee Below Avg
21 Avg: 41
Dr. Kellis Ohio Average

Volume Trend Analysis

Dr. Kellis's Medicare-recorded procedure volume has trended upward over 7 years, increasing 200% from 12 procedures in 2016 to 36 in the most recent data.

Years of Data 7
2024 Volume 36
Peak Volume 36 (2024)
Trend Growing

Hospital Affiliations & Quality

H
Crystal Clinic Orthopaedic Center
5/5
Akron, OH
Better than national avg
H
Lake Health
3/5
Concord, OH
Similar to national avg
H
Southwest General Health Center
4/5
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.

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. Kellis

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

Dr. Kellis has performed 36 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. Kellis ranks #212 out of 370 orthopedic surgeons in Ohio.

What types of joint replacement does Dr. Kellis perform?

Dr. Kellis's Medicare data shows procedures in knee replacement (21 cases) and hip replacement (15 cases).

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

Yes. There are 6 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 36 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 36 in the most recent data, a 200% increase over 7 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 36 procedures in 2024.

Does Dr. Kellis perform more than one type of joint replacement?

Yes. Dr. Kellis's Medicare data shows procedures in knee replacement (21 cases), hip replacement (15 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

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 6 orthopedic surgeons in Chardon, Dr. Kellis ranks #4 by total Medicare procedure volume. The highest-volume surgeon in Chardon has 100 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 36 Medicare procedures are below the Chardon average of 49. The table below compares verified procedure volumes for orthopedic surgeons practicing in Chardon.

SurgeonProceduresSpecialties
Dr. Gregory Sarkisian 100 Hip, Knee
Dr. Benjamin Silver 94 Hip, Knee
Dr. Kraig Solak 37 Hip, Knee
Dr. J. Martin Leland 16 Shoulder
Dr. Scott Zimmer 13 Shoulder

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. 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.