Dr. Ronald Kristensen, M.D.

Orthopedic Surgery
149 procedures 2 hospitals Boise, ID
Latest available Medicare data — updated April 2026
Volume Leader Growing Volume Top 10% Nationally

Contact & Location

Phone: 208-323-2600
Practice phone listed in the NPI registry
703 S Americana Blvd
Boise, ID 83702
NPI: 1215948807
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 39 vs 36 avg (4,532 surgeons)
Knee 110 vs 45 avg (6,599 surgeons)

Dr. Ronald Kristensen is a board-certified orthopedic surgeon practicing in Boise, Idaho. A Medicare provider since 2006, Dr. Kristensen has performed 110 Medicare-verified knee replacements (#1 in Idaho) and 39 hip replacements, for a combined total of 149 procedures.

In Idaho, Dr. Kristensen performs well above average in knee (110 vs 39 avg), near average in hip (39 vs 34 avg).

Dr. Kristensen's reported Medicare volume is split between knee replacements (110 cases) and hip replacements (39 cases).

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

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

Medicare records for Dr. Kristensen extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 90 to 149 in the most recent data, a 66% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,599 knee replacement surgeons tracked nationally, Dr. Kristensen's 110 verified procedures is more than 2x the national average of 45.

Verified Medicare Cases

Knee Replacement
110 verified cases
#1 in Idaho
Hip Replacement
39 verified cases
#14 in Idaho
Estimated total: 400 – 450 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. Kristensen Compares

Procedure volume compared to the Idaho state average.

Hip Average
39 Avg: 34
Knee Very High
110 Avg: 39
Dr. Kristensen Idaho Average

Volume Trend Analysis

Dr. Kristensen's Medicare-recorded procedure volume has trended upward over 12 years, increasing 66% from 90 procedures in 2013 to 149 in the most recent data.

Years of Data 12
2024 Volume 149
Peak Volume 150 (2022)
Trend Growing

Hospital Affiliations & Quality

H
St Luke'S Regional Medical Center
4/5
Boise, ID
Similar to national avg
H
St Luke'S Elmore Medical Center
Mountain Home, ID

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. Kristensen

How does Dr. Kristensen's procedure volume compare to other Idaho surgeons?

Dr. Kristensen has performed 149 Medicare-verified joint replacement procedures. This is more than 2x the Idaho average of 57 procedures per surgeon. Dr. Kristensen ranks #4 out of 70 orthopedic surgeons in Idaho.

What types of joint replacement does Dr. Kristensen perform?

Dr. Kristensen's Medicare data shows procedures in knee replacement (110 cases) and hip replacement (39 cases).

How experienced is Dr. Kristensen with knee replacement surgery?

Dr. Kristensen ranks #1 in Idaho for knee replacement with 110 Medicare-verified procedures. This high ranking among 70 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Kristensen in Boise?

Yes. There are 18 orthopedic surgeons in Boise 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 Idaho surgeons.

What does the Medicare data for Dr. Kristensen 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. Kristensen's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 149 procedures shown here.

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

Yes. Dr. Kristensen's Medicare-recorded volume has increased from 90 procedures in 2013 to 149 in the most recent data, a 66% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 150 procedures in 2022.

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

Yes. Dr. Kristensen's Medicare data shows procedures in knee replacement (110 cases), hip replacement (39 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Kristensen affiliated with?

According to CMS facility affiliation data, Dr. Kristensen is affiliated with St Luke'S Regional Medical Center, St Luke'S Elmore Medical Center.

How does Dr. Kristensen compare to other orthopedic surgeons in Boise?

Among the 18 orthopedic surgeons in Boise, Dr. Kristensen ranks #3 by total Medicare procedure volume. Dr. Kristensen is among the highest-volume surgeons in Boise.

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

St Luke'S Regional Medical Center (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 Boise, Idaho

Dr. Kristensen's 149 Medicare procedures are above the Boise average of 111. The table below compares verified procedure volumes for orthopedic surgeons practicing in Boise.

SurgeonProceduresSpecialties
Dr. Jenny Jin 177 Hip, Knee
Dr. Colin Poole 160 Hip, Knee
Dr. Jeffry Menzner 103 Hip, Knee
Dr. Steven Daines 86 Hip, Knee
Dr. Jonathan Vaux 59 Hip, Knee
Dr. Thomas Chopp 46 Shoulder

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. Ronald Kristensen, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/id/dr-ronald-kristensen-boise.html

Link: https://orthoprocedures.com/surgeons/id/dr-ronald-kristensen-boise.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.