Dr. Theron Tilgner, D.O.

Orthopedic Surgery
20 procedures 2 hospitals Lake Havasu City, AZ

Contact & Location

928-854-3333
Phone: 928-854-3333
Practice phone listed in the NPI registry
387 Lake Havasu Ave S Ste 101
Lake Havasu City, AZ 86403
NPI: 1497724413
Credentials: D.O.
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed D.O.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
National Comparison by Procedure
Knee 20 vs 45 national avg (6,599 surgeons)

About Dr. Tilgner

Dr. Theron Tilgner is a board-certified orthopedic surgeon practicing in Lake Havasu City, Arizona. A Medicare provider since 2006, Dr. Tilgner performed 20 Medicare-verified knee replacements in the latest annual CMS data, ranking #116 in Arizona.

In Arizona, Dr. Tilgner performs below the state average in knee (20 vs 49).

Dr. Tilgner's Medicare data shows a focused knee replacement practice with 20 verified procedures. Surgeons who concentrate on a single procedure type often develop deep procedural expertise, though total practice volume may include additional procedures not captured in Medicare fee-for-service data.

Lake Havasu City is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Lake Havasu City area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Tilgner's Medicare data spans 12 years, beginning in 2013. Volume peaked at 109 procedures in 2019 before settling at 20 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Dr. Tilgner's 20 knee replacement procedures is below the national average of 45 among 6,599 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Knee Replacement
20 verified cases
#116 in Arizona
Estimated total: 50 – 60 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. Tilgner Compares

Procedure volume compared to the Arizona state average.

Knee Below Avg
20 Avg: 49
Dr. Tilgner Arizona Average

Volume Trend Analysis

Dr. Tilgner's recorded volume peaked at 109 procedures in 2019 and stood at 20 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 12
2024 Volume 20
Peak Volume 109 (2019)
Trend Declining

Hospital Affiliations & Quality

H
La Paz Regional Hospital
Parker, AZ
Low case volume
H
Havasu Regional Medical Center
3/5
Lake Havasu City, AZ
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 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. Tilgner

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

Dr. Tilgner has performed 20 Medicare-verified joint replacement procedures. The Arizona average is 72 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Tilgner ranks #159 out of 191 orthopedic surgeons in Arizona.

What types of joint replacement does Dr. Tilgner perform?

Dr. Tilgner's reported Medicare volume is focused on knee replacement, with 20 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Tilgner in Lake Havasu City?

Yes. There are 3 orthopedic surgeons in Lake Havasu City 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. Tilgner 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. Tilgner's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 20 procedures shown here.

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

Dr. Tilgner's Medicare-recorded volume peaked at 109 procedures in 2019 and was 20 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.

Which hospitals is Dr. Tilgner affiliated with?

According to CMS facility affiliation data, Dr. Tilgner is affiliated with La Paz Regional Hospital, Havasu Regional Medical Center.

How does Dr. Tilgner compare to other orthopedic surgeons in Lake Havasu City?

Among the 3 orthopedic surgeons in Lake Havasu City, Dr. Tilgner ranks #3 by total Medicare procedure volume. Dr. Tilgner is among the highest-volume surgeons in Lake Havasu City.

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

La Paz Regional Hospital (insufficient case volume for complication rate comparison); Havasu Regional Medical Center (3 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 Lake Havasu City, Arizona

Dr. Tilgner's 20 Medicare procedures are below the Lake Havasu City average of 99. The table below compares verified procedure volumes for orthopedic surgeons practicing in Lake Havasu City.

SurgeonProceduresSpecialties
Dr. Daniel Heiner 177 Hip, Knee, Shoulder
Dr. Steven Anderson 101 Hip, Knee, 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. Theron Tilgner, D.O. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/az/dr-theron-tilgner-lake-havasu-city.html

Link: https://orthoprocedures.com/surgeons/az/dr-theron-tilgner-lake-havasu-city.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.