Dr. Thomas Obermeyer, MD

Orthopedic Surgery
53 procedures 3 hospitals Schaumburg, IL
Latest available Medicare data — updated April 2026
Growing Volume

Contact & Location

Phone: 847-285-4200
Practice phone listed in the NPI registry
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
Shoulder replacement recovery kit Slings, cold therapy, and adaptive clothing for recovery
National Comparison by Procedure
Knee 20 vs 45 avg (6,599 surgeons)
Shoulder 33 vs 29 avg (2,213 surgeons)

Dr. Thomas Obermeyer is a board-certified orthopedic surgeon practicing in Schaumburg, Illinois. A Medicare provider since 2008, Dr. Obermeyer has performed 33 Medicare-verified shoulder replacements (#20 in Illinois) and 20 knee replacements, for a combined total of 53 procedures.

In Illinois, Dr. Obermeyer performs above average in shoulder (33 vs 27 avg), below average in knee (20 vs 50 avg).

Dr. Obermeyer's reported Medicare volume is split between shoulder replacements (33 cases) and knee replacements (20 cases).

Schaumburg is home to 6 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 11 years of data. Over that period, recorded procedure volume increased from 12 to 53 in the most recent data, a 342% increase. This sustained growth reflects an expanding joint replacement practice.

Among 2,213 shoulder replacement surgeons tracked nationally, Dr. Obermeyer's 33 verified procedures is near the national average of 29.

Verified Medicare Cases

Shoulder Replacement
33 verified cases
#20 in Illinois
Knee Replacement
20 verified cases
#195 in Illinois
Estimated total: 140 – 160 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
20 Avg: 50
Shoulder High
33 Avg: 27
Dr. Obermeyer Illinois Average

Volume Trend Analysis

Dr. Obermeyer's Medicare-recorded procedure volume has trended upward over 11 years, increasing 342% from 12 procedures in 2014 to 53 in the most recent data.

Years of Data 11
2024 Volume 53
Peak Volume 53 (2024)
Trend Growing

Hospital Affiliations & Quality

H
St Alexius Medical Center
4/5
Hoffman Estates, IL
Similar to national avg
H
Northwest Community Hospital 1
4/5
Arlington Heights, IL
Better than national avg
H
Alexian Brothers Medical Center 1
4/5
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.

Patient Resources: Preparing for Shoulder Replacement

If you are considering shoulder replacement surgery, these evidence-based guides can help you prepare and recover:

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 53 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 #147 out of 316 orthopedic surgeons in Illinois.

What types of joint replacement does Dr. Obermeyer perform?

Dr. Obermeyer's Medicare data shows procedures in shoulder replacement (33 cases) and knee replacement (20 cases).

How experienced is Dr. Obermeyer with shoulder replacement surgery?

Dr. Obermeyer ranks #20 in Illinois for shoulder replacement with 33 Medicare-verified procedures. This high ranking among 316 state surgeons indicates significant experience with this specific procedure.

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

Yes. There are 6 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 53 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 53 in the most recent data, a 342% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 53 procedures in 2024.

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

Yes. Dr. Obermeyer's Medicare data shows procedures in shoulder replacement (33 cases), knee replacement (20 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 6 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 53 Medicare procedures are below the Schaumburg average of 68. The table below compares verified procedure volumes for orthopedic surgeons practicing in Schaumburg.

SurgeonProceduresSpecialties
Dr. Paul Nourbash 164 Hip, Knee
Dr. Hasham Alvi 115 Hip, Knee
Dr. Rohan Gopinath 28 Hip, Knee
Dr. Jason Rotstein 28 Knee
Dr. Sean Jereb 22 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 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.