Dr. Michael Welker, M.D.

Orthopedic Surgery
114 procedures 3 hospitals Miamisburg, OH
Latest available Medicare data — updated April 2026
Growing Volume

Contact & Location

Phone: 937-433-5309
Practice phone listed in the NPI registry
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
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety, all under $50
National Comparison by Procedure
Hip 36 vs 36 avg (4,532 surgeons)
Knee 78 vs 45 avg (6,599 surgeons)

Dr. Michael Welker is a board-certified orthopedic surgeon practicing in Miamisburg, Ohio. A Medicare provider since 2006, Dr. Welker has performed 78 Medicare-verified knee replacements (#38 in Ohio) and 36 hip replacements, for a combined total of 114 procedures.

In Ohio, Dr. Welker performs above average in knee (78 vs 41 avg), near average in hip (36 vs 32 avg).

Dr. Welker's reported Medicare volume is split between knee replacements (78 cases) and hip replacements (36 cases).

Miamisburg is home to 3 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 12 years of data. Over that period, recorded procedure volume increased from 85 to 114 in the most recent data, a 34% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,599 knee replacement surgeons tracked nationally, Dr. Welker's 78 verified procedures is above the national average of 45.

Verified Medicare Cases

Knee Replacement
78 verified cases
#38 in Ohio
Hip Replacement
36 verified cases
#56 in Ohio
Estimated total: 310 – 350 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
36 Avg: 32
Knee High
78 Avg: 41
Dr. Welker Ohio Average

Volume Trend Analysis

Dr. Welker's Medicare-recorded procedure volume has trended upward over 12 years, increasing 34% from 85 procedures in 2013 to 114 in the most recent data.

Years of Data 12
2024 Volume 114
Peak Volume 120 (2023)
Trend Growing

Hospital Affiliations & Quality

H
Kettering Health Miamisburg
3/5
Miamisburg, OH
Low case volume
H
Kettering Health Dayton
2/5
Dayton, OH
Similar to national avg
H
Kettering Health Main Campus
3/5
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.

Patient Resources: Preparing for Knee Replacement

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

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 114 Medicare-verified joint replacement procedures. This is significantly above the Ohio average of 59 procedures per surgeon. Dr. Welker ranks #48 out of 370 orthopedic surgeons in Ohio.

What types of joint replacement does Dr. Welker perform?

Dr. Welker's Medicare data shows procedures in knee replacement (78 cases) and hip replacement (36 cases).

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

Yes. There are 3 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 114 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 114 in the most recent data, a 34% increase over 12 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 (78 cases), hip replacement (36 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

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 3 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 114 Medicare procedures are above the Miamisburg average of 79. The table below compares verified procedure volumes for orthopedic surgeons practicing in Miamisburg.

SurgeonProceduresSpecialties
Dr. Gurpal Ahluwalia 77 Hip, Knee
Dr. Andrew Razzano 45 Shoulder

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. 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.