Dr. R Cobb, MD

Orthopedic Surgery
13 procedures 1 hospital Jackson, TN
Latest available Medicare data — updated April 2026

Contact & Location

24 Physicians Dr
Jackson, TN 38305
NPI: 1447359047
Credentials: MD
Active Medicare provider
Find Practice on Google Maps
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety, all under $50
National Comparison by Procedure
Knee 13 vs 45 avg (6,599 surgeons)

Dr. R Cobb is a board-certified orthopedic surgeon practicing in Jackson, Tennessee. Dr. Cobb has performed 13 Medicare-verified knee replacements, ranking #164 in Tennessee.

In Tennessee, Dr. Cobb performs below average in knee (13 vs 46 avg).

Dr. Cobb's Medicare data shows a focused knee replacement practice with 13 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.

Jackson is home to 14 orthopedic surgeons in the current Medicare dataset. Patients in the Jackson area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Cobb's Medicare data spans 7 years, beginning in 2013. Volume peaked at 29 procedures in 2013 before settling at 13 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Dr. Cobb's 13 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
13 verified cases
#164 in Tennessee
Estimated total: 40 – 40 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. Cobb Compares

Procedure volume compared to the Tennessee state average.

Knee Below Avg
13 Avg: 46
Dr. Cobb Tennessee Average

Volume Trend Analysis

Dr. Cobb's recorded volume peaked at 29 procedures in 2013 and stood at 13 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 7
2024 Volume 13
Peak Volume 29 (2013)
Trend Declining

Hospital Affiliations & Quality

H
Jackson-Madison County General Hospital
3/5
Jackson, TN
Low case volume

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. Cobb

How does Dr. Cobb's procedure volume compare to other Tennessee surgeons?

Dr. Cobb has performed 13 Medicare-verified joint replacement procedures. The Tennessee average is 65 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Cobb ranks #210 out of 219 orthopedic surgeons in Tennessee.

What types of joint replacement does Dr. Cobb perform?

Dr. Cobb's reported Medicare volume is focused on knee replacement, with 13 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Cobb in Jackson?

Yes. There are 14 orthopedic surgeons in Jackson 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 Tennessee surgeons.

What does the Medicare data for Dr. Cobb 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. Cobb's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 13 procedures shown here.

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

Dr. Cobb's Medicare-recorded volume peaked at 29 procedures in 2013 and was 13 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. Cobb affiliated with?

According to CMS facility affiliation data, Dr. Cobb is affiliated with Jackson-Madison County General Hospital.

How does Dr. Cobb compare to other orthopedic surgeons in Jackson?

Among the 14 orthopedic surgeons in Jackson, Dr. Cobb ranks #13 by total Medicare procedure volume. The highest-volume surgeon in Jackson has 78 verified Medicare procedures.

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

Jackson-Madison County General Hospital (3 out of 5 CMS stars, insufficient case volume for complication rate comparison). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.

Other Orthopedic Surgeons in Jackson, Tennessee

Dr. Cobb's 13 Medicare procedures are below the Jackson average of 52. The table below compares verified procedure volumes for orthopedic surgeons practicing in Jackson.

SurgeonProceduresSpecialties
Dr. David Sickle 78 Hip, Knee
Dr. Kelly Pucek 71 Hip, Knee
Dr. L Johnson 55 Hip, Knee
Dr. Adam Smith 53 Shoulder
Dr. Jason Hutchison 50 Hip, Knee
Dr. Keith Nord 41 Knee, 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. R Cobb, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/tn/dr-r-cobb-jackson.html

Link: https://orthoprocedures.com/surgeons/tn/dr-r-cobb-jackson.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.