#10 in Indiana
Shoulder

Dr. Mark Dillon, MD

Orthopedic Surgery
30 procedures 2 hospitals Indianapolis, IN
Latest available Medicare data — updated April 2026
Shoulder replacement recovery kit Slings, cold therapy, and adaptive clothing for recovery
National Comparison by Procedure
Shoulder 30 vs 28 avg (2,092 surgeons)

Dr. Mark Dillon is a board-certified orthopedic surgeon practicing in Indianapolis, Indiana. A Medicare provider since 2006, Dr. Dillon has performed 30 Medicare-verified shoulder replacements, ranking #10 in Indiana.

In Indiana, Dr. Dillon performs above average in shoulder (30 vs 23 avg).

Dr. Dillon's Medicare data shows a focused shoulder replacement practice with 30 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.

Beyond general orthopedic surgery, Dr. Dillon holds additional credentials in Adult Reconstructive Orthopaedic Surgery, reflecting subspecialty training that may benefit patients with complex joint conditions.

Indianapolis is home to 34 orthopedic surgeons in the current Medicare dataset. Patients in the Indianapolis area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Dillon first appears in the Medicare dataset in 2022. With 2 years of recorded data, the longitudinal trend is still developing.

Among 2,092 shoulder replacement surgeons tracked nationally, Dr. Dillon's 30 verified procedures is near the national average of 28.

Verified Medicare Cases

Shoulder Replacement
30 verified cases
#10 in Indiana
Estimated total: 80 – 90 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. Dillon Compares

Procedure volume compared to the Indiana state average.

Shoulder High
30 Avg: 23
Dr. Dillon Indiana Average

Contact & Location

Phone: 317-962-6467
1801 N Senate Blvd Ste 535
Indianapolis, IN 46202
NPI: 1578629572
Credentials: MD
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed MD
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Dillon has 2 years of Medicare procedure data beginning in 2022. Additional years of data will provide a clearer picture of volume trends.

Years of Data 2
2023 Volume 30
Peak Volume 30 (2023)
Trend Developing

Hospital Affiliations & Quality

H
Indiana University Health
★★☆☆☆
Indianapolis, IN
Similar to national avg
H
Indiana University Health North Hospital
★★★★☆
Carmel, IN
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.

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. Dillon

How does Dr. Dillon's procedure volume compare to other Indiana surgeons?

Dr. Dillon has performed 30 Medicare-verified joint replacement procedures. The Indiana average is 60 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Dillon ranks #152 out of 222 orthopedic surgeons in Indiana.

What types of joint replacement does Dr. Dillon perform?

Dr. Dillon's reported Medicare volume is focused on shoulder replacement, with 30 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

How experienced is Dr. Dillon with shoulder replacement surgery?

Dr. Dillon ranks #10 in Indiana for shoulder replacement with 30 Medicare-verified procedures. This high ranking among 222 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Dillon in Indianapolis?

Yes. There are 34 orthopedic surgeons in Indianapolis 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 Indiana surgeons.

What does the Medicare data for Dr. Dillon 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. Dillon's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 30 procedures shown here.

Which hospitals is Dr. Dillon affiliated with?

According to CMS facility affiliation data, Dr. Dillon is affiliated with Indiana University Health, Indiana University Health North Hospital.

How does Dr. Dillon compare to other orthopedic surgeons in Indianapolis?

Among the 34 orthopedic surgeons in Indianapolis, Dr. Dillon ranks #25 by total Medicare procedure volume. The highest-volume surgeon in Indianapolis has 153 verified Medicare procedures.

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

Indiana University Health (2 out of 5 CMS stars, hip/knee complication rate similar to national average); Indiana University Health North Hospital (4 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 Indianapolis, Indiana

Dr. Dillon's 30 Medicare procedures are below the Indianapolis average of 123. The table below compares verified procedure volumes for orthopedic surgeons practicing in Indianapolis.

SurgeonProceduresSpecialties
Dr. Robert Meneghini 153 Hip, Knee
Dr. Christopher Pomeroy 149 Hip, Knee
Dr. George Vestermark 142 Hip, Knee
Dr. Joshua Carter 132 Hip, Knee
Dr. Timothy Williams 131 Hip, Knee
Dr. Patrick Millikan 122 Hip, 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. Mark Dillon, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/in/dr-mark-dillon-indianapolis.html

Link: https://orthoprocedures.com/surgeons/in/dr-mark-dillon-indianapolis.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.