#21 Shoulder
#132 Knee

Dr. Shelden Martin, M.D.

Orthopedic Surgery
42 procedures Chandler, AZ
Latest available Medicare data — updated April 2026
Rising Star
Shoulder replacement recovery kit Slings, cold therapy, and adaptive clothing for recovery
National Comparison by Procedure
Knee 14 vs 45 avg (6,720 surgeons)
Shoulder 28 vs 28 avg (2,092 surgeons)

Dr. Shelden Martin is a board-certified orthopedic surgeon practicing in Chandler, Arizona. A Medicare provider since 2008, Dr. Martin has performed 28 Medicare-verified shoulder replacements (#21 in Arizona) and 14 knee replacements, for a combined total of 42 procedures.

In Arizona, Dr. Martin performs near average in shoulder (28 vs 30 avg), below average in knee (14 vs 49 avg).

Dr. Martin's reported Medicare volume is split between shoulder replacements (28 cases) and knee replacements (14 cases).

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

Medicare records for Dr. Martin extend back to 2014, covering 10 years of data. Over that period, recorded procedure volume increased from 19 to 42 in the most recent data, a 121% increase. This sustained growth reflects an expanding joint replacement practice.

Among 2,092 shoulder replacement surgeons tracked nationally, Dr. Martin's 28 verified procedures is near the national average of 28.

Verified Medicare Cases

Shoulder Replacement
28 verified cases
#21 in Arizona
Knee Replacement
14 verified cases
#132 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. Martin Compares

Procedure volume compared to the Arizona state average.

Knee Below Avg
14 Avg: 49
Shoulder Average
28 Avg: 30
Dr. Martin Arizona Average

Contact & Location

Phone: 602-648-5444
525 S Chandler Village Dr
Chandler, AZ 85226
NPI: 1083878615
Credentials: M.D.
Active Medicare provider (NPI verified)
18 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Sports medicine specialist
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Martin's Medicare-recorded procedure volume has trended upward over 10 years, increasing 121% from 19 procedures in 2014 to 42 in the most recent data.

Years of Data 10
2023 Volume 42
Peak Volume 45 (2021)
Trend Growing

Shoulder Replacement Recovery Overview

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

Week 1-3 Arm in a sling for protection. Gentle pendulum exercises under therapist guidance. Focus on pain management and wound care.
Week 4-6 Gradual sling weaning. Begin passive and active-assisted range-of-motion exercises. Light daily activities resume.
Week 7-12 Active range-of-motion exercises. Light strengthening begins. Most patients can drive and perform desk work.
Month 4-6 Progressive strengthening continues. Return to most activities. Full recovery may take 6-12 months for complete shoulder strength.

Individual recovery varies based on overall health, age, and adherence to physical therapy. View full shoulder replacement recovery guide and product recommendations

Frequently Asked Questions About Dr. Martin

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

Dr. Martin 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. Martin ranks #104 out of 193 orthopedic surgeons in Arizona.

What types of joint replacement does Dr. Martin perform?

Dr. Martin's Medicare data shows procedures in shoulder replacement (28 cases) and knee replacement (14 cases).

Are there other orthopedic surgeons near Dr. Martin in Chandler?

Yes. There are 8 orthopedic surgeons in Chandler 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. Martin 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. Martin's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 42 procedures shown here.

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

Yes. Dr. Martin's Medicare-recorded volume has increased from 19 procedures in 2014 to 42 in the most recent data, a 121% increase over 10 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 45 procedures in 2021.

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

Yes. Dr. Martin's Medicare data shows procedures in shoulder replacement (28 cases), knee replacement (14 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

How does Dr. Martin compare to other orthopedic surgeons in Chandler?

Among the 8 orthopedic surgeons in Chandler, Dr. Martin ranks #3 by total Medicare procedure volume. Dr. Martin is among the highest-volume surgeons in Chandler.

Other Orthopedic Surgeons in Chandler, Arizona

Dr. Martin's 42 Medicare procedures are below the Chandler average of 52. The table below compares verified procedure volumes for orthopedic surgeons practicing in Chandler.

SurgeonProceduresSpecialties
Dr. Danton Dungy 143 Hip, Knee
Dr. Jonathan Fox 96 Hip, Knee, Shoulder
Dr. Doug Clouse 31 Hip, Knee
Dr. Raymond Roffi 28 Hip, Knee
Dr. David Stewart 13 Knee
Dr. Randall Hardison 11 Knee

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. Shelden Martin, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/az/dr-shelden-martin-chandler.html

Link: https://orthoprocedures.com/surgeons/az/dr-shelden-martin-chandler.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.