#74 Knee
#96 Hip

Dr. Seth Christensen, D.O.

Orthopedic Surgery
51 procedures 2 hospitals Phoenix, AZ
Latest available Medicare data — updated April 2026
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 14 vs 36 avg (4,526 surgeons)
Knee 37 vs 45 avg (6,720 surgeons)

Dr. Seth Christensen is a board-certified orthopedic surgeon practicing in Phoenix, Arizona. A Medicare provider since 2013, Dr. Christensen has performed 37 Medicare-verified knee replacements (#74 in Arizona) and 14 hip replacements, for a combined total of 51 procedures.

In Arizona, Dr. Christensen performs below average in knee (37 vs 49 avg), below average in hip (14 vs 37 avg).

Dr. Christensen's reported Medicare volume is split between knee replacements (37 cases) and hip replacements (14 cases).

Phoenix is home to 53 orthopedic surgeons in the current Medicare dataset. Patients in the Phoenix area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Christensen's Medicare data spans 3 years, beginning in 2021. Volume peaked at 101 procedures in 2022 before settling at 51 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Christensen's 37 verified procedures is near the national average of 45.

Verified Medicare Cases

Knee Replacement
37 verified cases
#74 in Arizona
Hip Replacement
14 verified cases
#96 in Arizona
Estimated total: 140 – 150 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. Christensen Compares

Procedure volume compared to the Arizona state average.

Hip Below Avg
14 Avg: 37
Knee Below Avg
37 Avg: 49
Dr. Christensen Arizona Average

Contact & Location

Phone: 866-974-2673
18444 N 25th Ave Ste 310
Phoenix, AZ 85023
NPI: 1831537414
Credentials: D.O.
Active Medicare provider (NPI verified)
13 years of practice experience
Licensed D.O.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Christensen's recorded volume peaked at 101 procedures in 2022 and stood at 51 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 3
2023 Volume 51
Peak Volume 101 (2022)
Trend Declining

Hospital Affiliations & Quality

H
Christus Mother Frances Hospital
★★★★☆
Tyler, TX
Similar to national avg
H
Christus Good Shepherd Medical Center
★★★☆☆
Longview, TX
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.

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. Christensen

How does Dr. Christensen's procedure volume compare to other Arizona surgeons?

Dr. Christensen has performed 51 Medicare-verified joint replacement procedures. The Arizona average is 68 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Christensen ranks #88 out of 193 orthopedic surgeons in Arizona.

What types of joint replacement does Dr. Christensen perform?

Dr. Christensen's Medicare data shows procedures in knee replacement (37 cases) and hip replacement (14 cases).

Are there other orthopedic surgeons near Dr. Christensen in Phoenix?

Yes. There are 53 orthopedic surgeons in Phoenix 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 Arizona surgeons.

What does the Medicare data for Dr. Christensen 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. Christensen's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 51 procedures shown here.

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

Dr. Christensen's Medicare-recorded volume peaked at 101 procedures in 2022 and was 51 in the most recent data. Volume fluctuations can reflect changes in payer mix, practice focus, or Medicare reporting rather than a change in overall surgical activity.

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

Yes. Dr. Christensen's Medicare data shows procedures in knee replacement (37 cases), hip replacement (14 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Christensen affiliated with?

According to CMS facility affiliation data, Dr. Christensen is affiliated with Christus Mother Frances Hospital, Christus Good Shepherd Medical Center. Dr. Christensen maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.

How does Dr. Christensen compare to other orthopedic surgeons in Phoenix?

Among the 53 orthopedic surgeons in Phoenix, Dr. Christensen ranks #23 by total Medicare procedure volume. The highest-volume surgeon in Phoenix has 227 verified Medicare procedures.

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

Christus Mother Frances Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Christus Good Shepherd Medical Center (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 Phoenix, Arizona

Dr. Christensen's 51 Medicare procedures are below the Phoenix average of 142. The table below compares verified procedure volumes for orthopedic surgeons practicing in Phoenix.

SurgeonProceduresSpecialties
Dr. Steven Werner 227 Hip, Knee
Dr. Steven Hattrup 157 Shoulder
Dr. Lige Kaplan 142 Hip, Knee
Dr. Michael Wilmink 140 Hip, Knee
Dr. Mark Spangehl 138 Hip, Knee
Dr. Christina Khoury 137 Hip, Knee

Patient Reviews & Ratings

OrthoProcedures.com focuses on verified Medicare procedure data. For patient reviews, ratings, and appointment scheduling, visit these trusted platforms:

These links lead to third-party websites. OrthoProcedures.com is not affiliated with these platforms and cannot verify the accuracy of reviews.

Cite This Data

APA: OrthoProcedures. (2026). Dr. Seth Christensen, D.O. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/az/dr-seth-christensen-phoenix.html

Link: https://orthoprocedures.com/surgeons/az/dr-seth-christensen-phoenix.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.