#37 Knee
#72 Hip
#82 Shoulder

Dr. Michael Welker, M.D.

Orthopedic Surgery
120 procedures 3 hospitals Miamisburg, OH
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 31 vs 36 avg (4,526 surgeons)
Knee 76 vs 45 avg (6,720 surgeons)
Shoulder 13 vs 28 avg (2,092 surgeons)

Dr. Michael Welker is a board-certified orthopedic surgeon practicing in Miamisburg, Ohio. A Medicare provider since 2006, Dr. Welker has completed 76 knee replacements (#37 in Ohio), 31 hip replacements, and 13 shoulder replacements, totaling 120 Medicare-verified procedures.

In Ohio, Dr. Welker performs above average in knee (76 vs 40 avg), near average in hip (31 vs 31 avg), below average in shoulder (13 vs 27 avg).

Dr. Welker performs all three major joint replacement procedures — hip, knee, and shoulder — indicating a broad scope of orthopedic practice. The largest share is knee replacements (76 cases), followed by hip replacements (31) and shoulder replacements (13).

Miamisburg is home to 4 orthopedic surgeons in the current Medicare dataset. Patients in the Miamisburg area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Welker extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 85 to 120 in the most recent data, a 41% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Welker's 76 verified procedures is above the national average of 45.

Verified Medicare Cases

Knee Replacement
76 verified cases
#37 in Ohio
Hip Replacement
31 verified cases
#72 in Ohio
Shoulder Replacement
13 verified cases
#82 in Ohio
Estimated total: 320 – 360 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. Welker Compares

Procedure volume compared to the Ohio state average.

Hip Average
31 Avg: 31
Knee High
76 Avg: 40
Shoulder Below Avg
13 Avg: 27
Dr. Welker Ohio Average

Contact & Location

Phone: 937-433-5309
4000 Miamisburg Centerville Rd Ste 230
Miamisburg, OH 45342
NPI: 1942211305
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. Welker's Medicare-recorded procedure volume has trended upward over 11 years, increasing 41% from 85 procedures in 2013 to 120 in the most recent data.

Years of Data 11
2023 Volume 120
Peak Volume 120 (2023)
Trend Growing

Hospital Affiliations & Quality

H
Kettering Health Miamisburg
★★★☆☆
Miamisburg, OH
Low case volume
H
Kettering Health Dayton
★★☆☆☆
Dayton, OH
Similar to national avg
H
Kettering Health Main Campus
★★★☆☆
Kettering, OH
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. Welker

How does Dr. Welker's procedure volume compare to other Ohio surgeons?

Dr. Welker has performed 120 Medicare-verified joint replacement procedures. This is more than 2x the Ohio average of 57 procedures per surgeon. Dr. Welker ranks #36 out of 378 orthopedic surgeons in Ohio.

What types of joint replacement does Dr. Welker perform?

Dr. Welker performs all three major joint replacement procedures: knee replacement (76 cases), hip replacement (31 cases), shoulder replacement (13 cases). This breadth indicates a comprehensive orthopedic joint replacement practice.

Are there other orthopedic surgeons near Dr. Welker in Miamisburg?

Yes. There are 4 orthopedic surgeons in Miamisburg 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 Ohio surgeons.

What does the Medicare data for Dr. Welker 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. Welker's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 120 procedures shown here.

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

Yes. Dr. Welker's Medicare-recorded volume has increased from 85 procedures in 2013 to 120 in the most recent data, a 41% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 120 procedures in 2023.

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

Yes. Dr. Welker's Medicare data shows procedures in knee replacement (76 cases), hip replacement (31 cases), shoulder replacement (13 cases). Performing all three major joint replacements places Dr. Welker among the 5% of orthopedic surgeons nationally who cover hip, knee, and shoulder arthroplasty.

Which hospitals is Dr. Welker affiliated with?

According to CMS facility affiliation data, Dr. Welker is affiliated with Kettering Health Miamisburg, Kettering Health Dayton, Kettering Health Main Campus.

How does Dr. Welker compare to other orthopedic surgeons in Miamisburg?

Among the 4 orthopedic surgeons in Miamisburg, Dr. Welker ranks #1 by total Medicare procedure volume. Dr. Welker has the highest verified Medicare volume in the city.

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

Kettering Health Miamisburg (3 out of 5 CMS stars, insufficient case volume for complication rate comparison); Kettering Health Dayton (2 out of 5 CMS stars, hip/knee complication rate similar to national average); Kettering Health Main Campus (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.

Other Orthopedic Surgeons in Miamisburg, Ohio

Dr. Welker's 120 Medicare procedures are above the Miamisburg average of 61. The table below compares verified procedure volumes for orthopedic surgeons practicing in Miamisburg.

SurgeonProceduresSpecialties
Dr. Gurpal Ahluwalia 73 Hip, Knee
Dr. Andrew Razzano 35 Shoulder
Dr. Andrew Burleson 15 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. Michael Welker, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/oh/dr-michael-welker-miamisburg.html

Link: https://orthoprocedures.com/surgeons/oh/dr-michael-welker-miamisburg.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.