Dr. Timothy Mullin, M.D.

Orthopedic Surgery
58 procedures 3 hospitals West Bend, WI
Latest available Medicare data — updated April 2026
Growing Volume

Contact & Location

Phone: 262-334-3451
Practice phone listed in the NPI registry
1700 W Paradise Dr
West Bend, WI 53095
NPI: 1588752307
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 15 vs 36 avg (4,532 surgeons)
Knee 43 vs 45 avg (6,599 surgeons)

Dr. Timothy Mullin is a board-certified orthopedic surgeon practicing in West Bend, Wisconsin. A Medicare provider since 2006, Dr. Mullin has performed 43 Medicare-verified knee replacements (#39 in Wisconsin) and 15 hip replacements, for a combined total of 58 procedures.

In Wisconsin, Dr. Mullin performs near average in knee (43 vs 36 avg), below average in hip (15 vs 29 avg).

Dr. Mullin's reported Medicare volume is split between knee replacements (43 cases) and hip replacements (15 cases).

West Bend is home to 2 orthopedic surgeons in the current Medicare dataset. Patients in the West Bend area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Mullin extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 48 to 58 in the most recent data, a 21% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,599 knee replacement surgeons tracked nationally, Dr. Mullin's 43 verified procedures is near the national average of 45.

Verified Medicare Cases

Knee Replacement
43 verified cases
#39 in Wisconsin
Hip Replacement
15 verified cases
#90 in Wisconsin
Estimated total: 160 – 180 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. Mullin Compares

Procedure volume compared to the Wisconsin state average.

Hip Below Avg
15 Avg: 29
Knee Average
43 Avg: 36
Dr. Mullin Wisconsin Average

Volume Trend Analysis

Dr. Mullin's Medicare-recorded procedure volume has trended upward over 12 years, increasing 21% from 48 procedures in 2013 to 58 in the most recent data.

Years of Data 12
2024 Volume 58
Peak Volume 97 (2018)
Trend Growing

Hospital Affiliations & Quality

H
Froedtert West Bend Hospital
3/5
West Bend, WI
Similar to national avg
H
Froedtert Menomonee Falls Hospital
3/5
Menomonee Falls, WI
Similar to national avg
H
Froedtert Memorial Lutheran Hospital
4/5
Milwaukee, WI
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. Mullin

How does Dr. Mullin's procedure volume compare to other Wisconsin surgeons?

Dr. Mullin has performed 58 Medicare-verified joint replacement procedures. This is in line with the Wisconsin average of 51 procedures per surgeon. Dr. Mullin ranks #63 out of 189 orthopedic surgeons in Wisconsin.

What types of joint replacement does Dr. Mullin perform?

Dr. Mullin's Medicare data shows procedures in knee replacement (43 cases) and hip replacement (15 cases).

Are there other orthopedic surgeons near Dr. Mullin in West Bend?

Yes. There are 2 orthopedic surgeons in West Bend 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 Wisconsin surgeons.

What does the Medicare data for Dr. Mullin 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. Mullin's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 58 procedures shown here.

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

Yes. Dr. Mullin's Medicare-recorded volume has increased from 48 procedures in 2013 to 58 in the most recent data, a 21% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 97 procedures in 2018.

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

Yes. Dr. Mullin's Medicare data shows procedures in knee replacement (43 cases), hip replacement (15 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Mullin affiliated with?

According to CMS facility affiliation data, Dr. Mullin is affiliated with Froedtert West Bend Hospital, Froedtert Menomonee Falls Hospital, Froedtert Memorial Lutheran Hospital.

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

Froedtert West Bend Hospital (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Froedtert Menomonee Falls Hospital (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Froedtert Memorial Lutheran Hospital (4 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 West Bend, Wisconsin

Dr. Mullin's 58 Medicare procedures are above the West Bend average of 35. The table below compares verified procedure volumes for orthopedic surgeons practicing in West Bend.

SurgeonProceduresSpecialties
Dr. Timothy Schultz 12 Hip

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. Timothy Mullin, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/wi/dr-timothy-mullin-west-bend.html

Link: https://orthoprocedures.com/surgeons/wi/dr-timothy-mullin-west-bend.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.