Dr. Alexander Dehaan, M.D.

Orthopedic Surgery
137 procedures 2 hospitals Portland, OR
Latest available Medicare data — updated April 2026
Growing Volume

Contact & Location

Phone: 503-214-5200
Practice phone listed in the NPI registry
11782 Sw Barnes Rd
Portland, OR 97225
NPI: 1114242005
Credentials: M.D.
Active Medicare provider (NPI verified)
16 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 58 vs 36 avg (4,532 surgeons)
Knee 79 vs 45 avg (6,599 surgeons)

Dr. Alexander Dehaan is a board-certified orthopedic surgeon practicing in Portland, Oregon. A Medicare provider since 2010, Dr. Dehaan has performed 79 Medicare-verified knee replacements (#12 in Oregon) and 58 hip replacements, for a combined total of 137 procedures.

In Oregon, Dr. Dehaan performs above average in knee (79 vs 42 avg), above average in hip (58 vs 37 avg).

Dr. Dehaan's reported Medicare volume is split between knee replacements (79 cases) and hip replacements (58 cases).

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

Portland is home to 18 orthopedic surgeons in the current Medicare dataset. Patients in the Portland area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Dehaan extend back to 2015, covering 10 years of data. Over that period, recorded procedure volume increased from 68 to 137 in the most recent data, a 101% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,599 knee replacement surgeons tracked nationally, Dr. Dehaan's 79 verified procedures is above the national average of 45.

Verified Medicare Cases

Knee Replacement
79 verified cases
#12 in Oregon
Hip Replacement
58 verified cases
#10 in Oregon
Estimated total: 370 – 420 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. Dehaan Compares

Procedure volume compared to the Oregon state average.

Hip High
58 Avg: 37
Knee High
79 Avg: 42
Dr. Dehaan Oregon Average

Volume Trend Analysis

Dr. Dehaan's Medicare-recorded procedure volume has trended upward over 10 years, increasing 101% from 68 procedures in 2015 to 137 in the most recent data.

Years of Data 10
2024 Volume 137
Peak Volume 137 (2024)
Trend Growing

Hospital Affiliations & Quality

H
Providence St Vincent Medical Center
4/5
Portland, OR
Similar to national avg
H
Providence Seaside Hospital
Seaside, OR
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. Dehaan

How does Dr. Dehaan's procedure volume compare to other Oregon surgeons?

Dr. Dehaan has performed 137 Medicare-verified joint replacement procedures. This is more than 2x the Oregon average of 63 procedures per surgeon. Dr. Dehaan ranks #11 out of 101 orthopedic surgeons in Oregon.

What types of joint replacement does Dr. Dehaan perform?

Dr. Dehaan's Medicare data shows procedures in knee replacement (79 cases) and hip replacement (58 cases).

How experienced is Dr. Dehaan with knee replacement surgery?

Dr. Dehaan ranks #12 in Oregon for knee replacement with 79 Medicare-verified procedures. This high ranking among 101 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Dehaan in Portland?

Yes. There are 18 orthopedic surgeons in Portland 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 Oregon surgeons.

What does the Medicare data for Dr. Dehaan 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. Dehaan's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 137 procedures shown here.

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

Yes. Dr. Dehaan's Medicare-recorded volume has increased from 68 procedures in 2015 to 137 in the most recent data, a 101% increase over 10 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 137 procedures in 2024.

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

Yes. Dr. Dehaan's Medicare data shows procedures in knee replacement (79 cases), hip replacement (58 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Dehaan affiliated with?

According to CMS facility affiliation data, Dr. Dehaan is affiliated with Providence St Vincent Medical Center, Providence Seaside Hospital.

How does Dr. Dehaan compare to other orthopedic surgeons in Portland?

Among the 18 orthopedic surgeons in Portland, Dr. Dehaan ranks #2 by total Medicare procedure volume. Dr. Dehaan is among the highest-volume surgeons in Portland.

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

Providence St Vincent Medical Center (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Providence Seaside 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 Portland, Oregon

Dr. Dehaan's 137 Medicare procedures are above the Portland average of 103. The table below compares verified procedure volumes for orthopedic surgeons practicing in Portland.

SurgeonProceduresSpecialties
Dr. Gustav Fischer 138 Hip, Knee
Dr. Andrew Bryan 107 Hip, Knee
Dr. Kathryn Schabel 91 Hip, Knee
Dr. Christopher Estes 86 Hip, Knee
Dr. Elizabeth Lieberman 82 Hip, Knee
Dr. Thomas Huff 77 Hip, 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. Alexander Dehaan, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/or/dr-alexander-dehaan-portland.html

Link: https://orthoprocedures.com/surgeons/or/dr-alexander-dehaan-portland.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.