Dr. Andrew Mulder, M.D.

Orthopedic Surgery
89 procedures 3 hospitals Sartell, MN
Latest available Medicare data — updated April 2026
Growing Volume

Contact & Location

Phone: 320-259-4100
Practice phone listed in the NPI registry
1901 Connecticut Ave S
Sartell, MN 56377
NPI: 1902045081
Credentials: M.D.
Active Medicare provider (NPI verified)
17 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
Hip replacement recovery kit Essentials every patient wishes they bought first
National Comparison by Procedure
Hip 46 vs 36 avg (4,532 surgeons)
Knee 43 vs 45 avg (6,599 surgeons)

Dr. Andrew Mulder is a board-certified orthopedic surgeon practicing in Sartell, Minnesota. A Medicare provider since 2009, Dr. Mulder has performed 46 Medicare-verified hip replacements (#15 in Minnesota) and 43 knee replacements, for a combined total of 89 procedures.

In Minnesota, Dr. Mulder performs above average in hip (46 vs 26 avg), above average in knee (43 vs 30 avg).

Dr. Mulder's reported Medicare volume is split between hip replacements (46 cases) and knee replacements (43 cases).

Beyond general orthopedic surgery, Dr. Mulder holds additional credentials in Adult Reconstructive Orthopaedic Surgery, reflecting subspecialty training that may benefit patients with complex joint conditions.

Sartell is home to 8 orthopedic surgeons in the current Medicare dataset. Patients in the Sartell area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Mulder extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 37 to 89 in the most recent data, a 141% increase. This sustained growth reflects an expanding joint replacement practice.

Among 4,532 hip replacement surgeons tracked nationally, Dr. Mulder's 46 verified procedures is above the national average of 36.

Verified Medicare Cases

Hip Replacement
46 verified cases
#15 in Minnesota
Knee Replacement
43 verified cases
#27 in Minnesota
Estimated total: 240 – 270 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. Mulder Compares

Procedure volume compared to the Minnesota state average.

Hip High
46 Avg: 26
Knee High
43 Avg: 30
Dr. Mulder Minnesota Average

Volume Trend Analysis

Dr. Mulder's Medicare-recorded procedure volume has trended upward over 12 years, increasing 141% from 37 procedures in 2013 to 89 in the most recent data.

Years of Data 12
2024 Volume 89
Peak Volume 109 (2022)
Trend Growing

Hospital Affiliations & Quality

H
Meeker Memorial Hospital
Litchfield, MN
Low case volume
H
St Cloud Hospital
4/5
Saint Cloud, MN
Similar to national avg
H
Centracare-Sauk Centre Hospital
Sauk Centre, MN
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 Hip Replacement

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

Hip Replacement Recovery Overview

Recovery timelines vary by patient, but here is a general overview of what to expect after hip replacement surgery:

Week 1-2 Walking with assistive device (walker or cane). Gentle range-of-motion exercises begin. Most patients can manage basic self-care.
Week 3-6 Transition to walking independently. Resume driving short distances. Physical therapy focuses on strength and balance.
Week 7-12 Return to most daily activities and light exercise. Stair climbing improves. Many patients return to desk work.
Month 4-6 Full recovery for most patients. Resume recreational activities, golf, swimming, and low-impact exercise.

Individual recovery varies based on overall health, age, and adherence to physical therapy. View full hip replacement recovery guide and product recommendations

Frequently Asked Questions About Dr. Mulder

How does Dr. Mulder's procedure volume compare to other Minnesota surgeons?

Dr. Mulder has performed 89 Medicare-verified joint replacement procedures. This is more than 2x the Minnesota average of 43 procedures per surgeon. Dr. Mulder ranks #19 out of 187 orthopedic surgeons in Minnesota.

What types of joint replacement does Dr. Mulder perform?

Dr. Mulder's Medicare data shows procedures in hip replacement (46 cases) and knee replacement (43 cases).

How experienced is Dr. Mulder with hip replacement surgery?

Dr. Mulder ranks #15 in Minnesota for hip replacement with 46 Medicare-verified procedures. This high ranking among 187 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Mulder in Sartell?

Yes. There are 8 orthopedic surgeons in Sartell 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 Minnesota surgeons.

What does the Medicare data for Dr. Mulder 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. Mulder's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 89 procedures shown here.

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

Yes. Dr. Mulder's Medicare-recorded volume has increased from 37 procedures in 2013 to 89 in the most recent data, a 141% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 109 procedures in 2022.

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

Yes. Dr. Mulder's Medicare data shows procedures in hip replacement (46 cases), knee replacement (43 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Mulder affiliated with?

According to CMS facility affiliation data, Dr. Mulder is affiliated with Meeker Memorial Hospital, St Cloud Hospital, Centracare-Sauk Centre Hospital.

How does Dr. Mulder compare to other orthopedic surgeons in Sartell?

Among the 8 orthopedic surgeons in Sartell, Dr. Mulder ranks #2 by total Medicare procedure volume. Dr. Mulder is among the highest-volume surgeons in Sartell.

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

Meeker Memorial Hospital (insufficient case volume for complication rate comparison); St Cloud Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Centracare-Sauk Centre Hospital (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 Sartell, Minnesota

Dr. Mulder's 89 Medicare procedures are above the Sartell average of 51. The table below compares verified procedure volumes for orthopedic surgeons practicing in Sartell.

SurgeonProceduresSpecialties
Dr. Joseph Nessler 97 Hip, Knee
Dr. Kim Schaap 44 Knee
Dr. Matthew Hwang 38 Shoulder
Dr. Chad Holien 37 Hip, Knee
Dr. Eric Green 32 Knee
Dr. Siegfried Feierabend 19 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. Andrew Mulder, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/mn/dr-andrew-mulder-sartell.html

Link: https://orthoprocedures.com/surgeons/mn/dr-andrew-mulder-sartell.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.