#83 Knee
#100 Hip

Dr. Gregory Dammann, M.D.

Orthopedic Surgery
84 procedures 2 hospitals Galena, IL
Latest available Medicare data — updated April 2026
Rising Star
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 28 vs 36 avg (4,526 surgeons)
Knee 56 vs 45 avg (6,720 surgeons)

Dr. Gregory Dammann is a board-certified orthopedic surgeon practicing in Galena, Illinois. A Medicare provider since 2006, Dr. Dammann has performed 56 Medicare-verified knee replacements (#83 in Illinois) and 28 hip replacements, for a combined total of 84 procedures.

In Illinois, Dr. Dammann performs near average in knee (56 vs 51 avg), below average in hip (28 vs 38 avg).

Dr. Dammann's reported Medicare volume is split between knee replacements (56 cases) and hip replacements (28 cases).

Dr. Dammann is the only orthopedic surgeon in Galena represented in the current Medicare dataset, serving as the primary local option for patients considering joint replacement surgery in the area.

Medicare records for Dr. Dammann extend back to 2017, covering 7 years of data. Over that period, recorded procedure volume increased from 42 to 84 in the most recent data, a 100% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Dammann's 56 verified procedures is above the national average of 45.

Verified Medicare Cases

Knee Replacement
56 verified cases
#83 in Illinois
Hip Replacement
28 verified cases
#100 in Illinois
Estimated total: 230 – 250 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. Dammann Compares

Procedure volume compared to the Illinois state average.

Hip Below Avg
28 Avg: 38
Knee Average
56 Avg: 51
Dr. Dammann Illinois Average

Contact & Location

Phone: 815-777-1340
1 Medical Center Dr
Galena, IL 61036
NPI: 1689652455
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

Volume Trend Analysis

Dr. Dammann's Medicare-recorded procedure volume has trended upward over 7 years, increasing 100% from 42 procedures in 2017 to 84 in the most recent data.

Years of Data 7
2023 Volume 84
Peak Volume 84 (2023)
Trend Growing

Hospital Affiliations & Quality

H
Midwest Medical Center
Galena, IL
Similar to national avg
H
Fhn Memorial Hospital
★★★☆☆
Freeport, IL
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.

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. Dammann

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

Dr. Dammann has performed 84 Medicare-verified joint replacement procedures. This is in line with the Illinois average of 69 procedures per surgeon. Dr. Dammann ranks #93 out of 323 orthopedic surgeons in Illinois.

What types of joint replacement does Dr. Dammann perform?

Dr. Dammann's Medicare data shows procedures in knee replacement (56 cases) and hip replacement (28 cases).

Where is Dr. Dammann's practice located?

Dr. Dammann practices in Galena, Illinois. The office is located at 1 Medical Center Dr, Galena, IL 61036. Patients in the surrounding area can consult Dr. Dammann for joint replacement evaluation.

What does the Medicare data for Dr. Dammann 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. Dammann's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 84 procedures shown here.

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

Yes. Dr. Dammann's Medicare-recorded volume has increased from 42 procedures in 2017 to 84 in the most recent data, a 100% increase over 7 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 84 procedures in 2023.

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

Yes. Dr. Dammann's Medicare data shows procedures in knee replacement (56 cases), hip replacement (28 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Dammann affiliated with?

According to CMS facility affiliation data, Dr. Dammann is affiliated with Midwest Medical Center, Fhn Memorial Hospital.

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

Midwest Medical Center (hip/knee complication rate similar to national average); Fhn Memorial Hospital (3 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.

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. Gregory Dammann, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/il/dr-gregory-dammann-galena.html

Link: https://orthoprocedures.com/surgeons/il/dr-gregory-dammann-galena.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.