Dr. Thomas Nelson, M.D.

Orthopedic Surgery
42 procedures Tucson, AZ
Latest available Medicare data — updated April 2026
Growing Volume

Contact & Location

Phone: 520-887-7700
6567 E Carondelet Dr Ste 415
Tucson, AZ 85710
NPI: 1386753895
Credentials: M.D.
Active Medicare provider (NPI verified)
20 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 — under $50 essentials
National Comparison by Procedure
Hip 12 vs 36 avg (4,526 surgeons)
Knee 30 vs 45 avg (6,720 surgeons)

Dr. Thomas Nelson is a board-certified orthopedic surgeon practicing in Tucson, Arizona. A Medicare provider since 2006, Dr. Nelson has performed 30 Medicare-verified knee replacements (#90 in Arizona) and 12 hip replacements, for a combined total of 42 procedures.

In Arizona, Dr. Nelson performs below average in knee (30 vs 49 avg), below average in hip (12 vs 37 avg).

Dr. Nelson's reported Medicare volume is split between knee replacements (30 cases) and hip replacements (12 cases).

Tucson is home to 27 orthopedic surgeons in the current Medicare dataset. Patients in the Tucson area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Nelson extend back to 2013, covering 8 years of data. Over that period, recorded procedure volume increased from 14 to 42 in the most recent data, a 200% increase. This sustained growth reflects an expanding joint replacement practice.

Dr. Nelson's 30 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
30 verified cases
#90 in Arizona
Hip Replacement
12 verified cases
#101 in Arizona
Estimated total: 110 – 130 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. Nelson Compares

Procedure volume compared to the Arizona state average.

Hip Below Avg
12 Avg: 37
Knee Below Avg
30 Avg: 49
Dr. Nelson Arizona Average

Volume Trend Analysis

Dr. Nelson's Medicare-recorded procedure volume has trended upward over 8 years, increasing 200% from 14 procedures in 2013 to 42 in the most recent data.

Years of Data 8
2023 Volume 42
Peak Volume 54 (2022)
Trend Growing

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. Nelson

How does Dr. Nelson's procedure volume compare to other Arizona surgeons?

Dr. Nelson has performed 42 Medicare-verified joint replacement procedures. The Arizona average is 68 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Nelson ranks #103 out of 193 orthopedic surgeons in Arizona.

What types of joint replacement does Dr. Nelson perform?

Dr. Nelson's Medicare data shows procedures in knee replacement (30 cases) and hip replacement (12 cases).

Are there other orthopedic surgeons near Dr. Nelson in Tucson?

Yes. There are 27 orthopedic surgeons in Tucson 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 Arizona surgeons.

What does the Medicare data for Dr. Nelson 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. Nelson's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 42 procedures shown here.

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

Yes. Dr. Nelson's Medicare-recorded volume has increased from 14 procedures in 2013 to 42 in the most recent data, a 200% increase over 8 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 54 procedures in 2022.

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

Yes. Dr. Nelson's Medicare data shows procedures in knee replacement (30 cases), hip replacement (12 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

How does Dr. Nelson compare to other orthopedic surgeons in Tucson?

Among the 27 orthopedic surgeons in Tucson, Dr. Nelson ranks #16 by total Medicare procedure volume. The highest-volume surgeon in Tucson has 229 verified Medicare procedures.

Other Orthopedic Surgeons in Tucson, Arizona

Dr. Nelson's 42 Medicare procedures are below the Tucson average of 146. The table below compares verified procedure volumes for orthopedic surgeons practicing in Tucson.

SurgeonProceduresSpecialties
Dr. Russell Cohen 229 Hip, Knee
Dr. John Maltry 178 Hip, Knee
Dr. John Wild 178 Hip, Knee
Dr. Michael Miller 158 Hip, Knee
Dr. Chad Hills 120 Hip, Knee
Dr. Timothy Dixon 114 Hip, Knee

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. Thomas Nelson, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/az/dr-thomas-nelson-tucson.html

Link: https://orthoprocedures.com/surgeons/az/dr-thomas-nelson-tucson.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.