Dr. Robert Knowlan, MD

Orthopedic Surgery
90 procedures 2 hospitals Oak Park Heights, MN
Latest available Medicare data — updated April 2026
Growing Volume

Contact & Location

Phone: 651-439-8807
Practice phone listed in the NPI registry
5803 Neal Ave N
Oak Park Heights, MN 55082
NPI: 1609872381
Credentials: MD
Active Medicare provider (NPI verified)
21 years of practice experience
Licensed MD
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 49 vs 36 avg (4,532 surgeons)
Knee 41 vs 45 avg (6,599 surgeons)

Dr. Robert Knowlan is a board-certified orthopedic surgeon practicing in Oak Park Heights, Minnesota. A Medicare provider since 2005, Dr. Knowlan has performed 49 Medicare-verified hip replacements (#13 in Minnesota) and 41 knee replacements, for a combined total of 90 procedures.

In Minnesota, Dr. Knowlan performs above average in hip (49 vs 26 avg), above average in knee (41 vs 30 avg).

Dr. Knowlan's reported Medicare volume is split between hip replacements (49 cases) and knee replacements (41 cases).

Oak Park Heights is home to 9 orthopedic surgeons in the current Medicare dataset. Patients in the Oak Park Heights area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Knowlan extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 49 to 90 in the most recent data, a 84% increase. This sustained growth reflects an expanding joint replacement practice.

Among 4,532 hip replacement surgeons tracked nationally, Dr. Knowlan's 49 verified procedures is above the national average of 36.

Verified Medicare Cases

Hip Replacement
49 verified cases
#13 in Minnesota
Knee Replacement
41 verified cases
#31 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. Knowlan Compares

Procedure volume compared to the Minnesota state average.

Hip High
49 Avg: 26
Knee High
41 Avg: 30
Dr. Knowlan Minnesota Average

Volume Trend Analysis

Dr. Knowlan's Medicare-recorded procedure volume has trended upward over 12 years, increasing 84% from 49 procedures in 2013 to 90 in the most recent data.

Years of Data 12
2024 Volume 90
Peak Volume 111 (2023)
Trend Growing

Hospital Affiliations & Quality

H
M Health Fairview Woodwinds Hospital
5/5
Woodbury, MN
Similar to national avg
H
Lakeview Memorial Hospital
4/5
Stillwater, MN
Similar to national avg

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. Knowlan

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

Dr. Knowlan has performed 90 Medicare-verified joint replacement procedures. This is more than 2x the Minnesota average of 43 procedures per surgeon. Dr. Knowlan ranks #18 out of 187 orthopedic surgeons in Minnesota.

What types of joint replacement does Dr. Knowlan perform?

Dr. Knowlan's Medicare data shows procedures in hip replacement (49 cases) and knee replacement (41 cases).

How experienced is Dr. Knowlan with hip replacement surgery?

Dr. Knowlan ranks #13 in Minnesota for hip replacement with 49 Medicare-verified procedures. This high ranking among 187 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Knowlan in Oak Park Heights?

Yes. There are 9 orthopedic surgeons in Oak Park Heights 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. Knowlan 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. Knowlan's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 90 procedures shown here.

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

Yes. Dr. Knowlan's Medicare-recorded volume has increased from 49 procedures in 2013 to 90 in the most recent data, a 84% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 111 procedures in 2023.

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

Yes. Dr. Knowlan's Medicare data shows procedures in hip replacement (49 cases), knee replacement (41 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Knowlan affiliated with?

According to CMS facility affiliation data, Dr. Knowlan is affiliated with M Health Fairview Woodwinds Hospital, Lakeview Memorial Hospital.

How does Dr. Knowlan compare to other orthopedic surgeons in Oak Park Heights?

Among the 9 orthopedic surgeons in Oak Park Heights, Dr. Knowlan ranks #1 by total Medicare procedure volume. Dr. Knowlan has the highest verified Medicare volume in the city.

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

M Health Fairview Woodwinds Hospital (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Lakeview Memorial Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.

Other Orthopedic Surgeons in Oak Park Heights, Minnesota

Dr. Knowlan's 90 Medicare procedures are above the Oak Park Heights average of 49. The table below compares verified procedure volumes for orthopedic surgeons practicing in Oak Park Heights.

SurgeonProceduresSpecialties
Dr. Timothy Panek 75 Hip, Knee
Dr. Kevin Lindgren 55 Hip, Knee
Dr. Thomas Comfort 42 Hip, Knee
Dr. Nicholas Weiss 33 Hip, Knee
Dr. Michael Meisterling 24 Hip, Knee
Dr. Andrea Saterbak 23 Knee

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. Robert Knowlan, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/mn/dr-robert-knowlan-oak-park-heights.html

Link: https://orthoprocedures.com/surgeons/mn/dr-robert-knowlan-oak-park-heights.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.