#15 Shoulder
#220 Knee

Dr. Thomas Obermeyer, MD

Orthopedic Surgery
50 procedures 3 hospitals Schaumburg, IL
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 16 vs 45 avg (6,720 surgeons)
Shoulder 34 vs 28 avg (2,092 surgeons)

Dr. Thomas Obermeyer is a board-certified orthopedic surgeon practicing in Schaumburg, Illinois. A Medicare provider since 2008, Dr. Obermeyer has performed 34 Medicare-verified shoulder replacements (#15 in Illinois) and 16 knee replacements, for a combined total of 50 procedures.

In Illinois, Dr. Obermeyer performs above average in shoulder (34 vs 28 avg), below average in knee (16 vs 51 avg).

Dr. Obermeyer's reported Medicare volume is split between shoulder replacements (34 cases) and knee replacements (16 cases).

Schaumburg is home to 5 orthopedic surgeons in the current Medicare dataset. Patients in the Schaumburg area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Obermeyer extend back to 2014, covering 10 years of data. Over that period, recorded procedure volume increased from 12 to 50 in the most recent data, a 317% increase. This sustained growth reflects an expanding joint replacement practice.

Among 2,092 shoulder replacement surgeons tracked nationally, Dr. Obermeyer's 34 verified procedures is above the national average of 28.

Verified Medicare Cases

Shoulder Replacement
34 verified cases
#15 in Illinois
Knee Replacement
16 verified cases
#220 in Illinois
Estimated total: 140 – 150 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. Obermeyer Compares

Procedure volume compared to the Illinois state average.

Knee Below Avg
16 Avg: 51
Shoulder High
34 Avg: 28
Dr. Obermeyer Illinois Average

Contact & Location

Phone: 847-285-4200
929 W Higgins Rd
Schaumburg, IL 60195
NPI: 1700049038
Credentials: MD
Active Medicare provider (NPI verified)
18 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. Obermeyer's Medicare-recorded procedure volume has trended upward over 10 years, increasing 317% from 12 procedures in 2014 to 50 in the most recent data.

Years of Data 10
2023 Volume 50
Peak Volume 50 (2023)
Trend Growing

Hospital Affiliations & Quality

H
St Alexius Medical Center
★★★★☆
Hoffman Estates, IL
Similar to national avg
H
Northwest Community Hospital 1
★★★★☆
Arlington Heights, IL
Better than national avg
H
Alexian Brothers Medical Center 1
★★★★☆
Elk Grove Village, IL
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.

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. Obermeyer

How does Dr. Obermeyer's procedure volume compare to other Illinois surgeons?

Dr. Obermeyer has performed 50 Medicare-verified joint replacement procedures. The Illinois average is 69 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Obermeyer ranks #156 out of 323 orthopedic surgeons in Illinois.

What types of joint replacement does Dr. Obermeyer perform?

Dr. Obermeyer's Medicare data shows procedures in shoulder replacement (34 cases) and knee replacement (16 cases).

How experienced is Dr. Obermeyer with shoulder replacement surgery?

Dr. Obermeyer ranks #15 in Illinois for shoulder replacement with 34 Medicare-verified procedures. This high ranking among 323 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Obermeyer in Schaumburg?

Yes. There are 5 orthopedic surgeons in Schaumburg 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 Illinois surgeons.

What does the Medicare data for Dr. Obermeyer 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. Obermeyer's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 50 procedures shown here.

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

Yes. Dr. Obermeyer's Medicare-recorded volume has increased from 12 procedures in 2014 to 50 in the most recent data, a 317% increase over 10 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 50 procedures in 2023.

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

Yes. Dr. Obermeyer's Medicare data shows procedures in shoulder replacement (34 cases), knee replacement (16 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Obermeyer affiliated with?

According to CMS facility affiliation data, Dr. Obermeyer is affiliated with St Alexius Medical Center, Northwest Community Hospital 1, Alexian Brothers Medical Center 1.

How does Dr. Obermeyer compare to other orthopedic surgeons in Schaumburg?

Among the 5 orthopedic surgeons in Schaumburg, Dr. Obermeyer ranks #3 by total Medicare procedure volume. Dr. Obermeyer is among the highest-volume surgeons in Schaumburg.

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

St Alexius Medical Center (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Northwest Community Hospital 1 (4 out of 5 CMS stars, hip/knee complication rate better than national average); Alexian Brothers Medical Center 1 (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 Schaumburg, Illinois

Dr. Obermeyer's 50 Medicare procedures are below the Schaumburg average of 83. The table below compares verified procedure volumes for orthopedic surgeons practicing in Schaumburg.

SurgeonProceduresSpecialties
Dr. Paul Nourbash 160 Hip, Knee
Dr. Hasham Alvi 155 Hip, Knee
Dr. Jason Rotstein 29 Knee
Dr. Sean Jereb 22 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. Thomas Obermeyer, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/il/dr-thomas-obermeyer-schaumburg.html

Link: https://orthoprocedures.com/surgeons/il/dr-thomas-obermeyer-schaumburg.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.