#84 Knee
#123 Hip

Dr. Elizabeth Klag, MD

Orthopedic Surgery
45 procedures 1 hospital Ann Arbor, MI
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 15 vs 36 avg (4,526 surgeons)
Knee 30 vs 45 avg (6,720 surgeons)

Dr. Elizabeth Klag is a board-certified orthopedic surgeon practicing in Ann Arbor, Michigan. A Medicare provider since 2017, Dr. Klag has performed 30 Medicare-verified knee replacements (#84 in Michigan) and 15 hip replacements, for a combined total of 45 procedures.

In Michigan, Dr. Klag performs near average in knee (30 vs 33 avg), below average in hip (15 vs 29 avg).

Dr. Klag's reported Medicare volume is split between knee replacements (30 cases) and hip replacements (15 cases).

Ann Arbor is home to 11 orthopedic surgeons in the current Medicare dataset. Patients in the Ann Arbor area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Klag first appears in the Medicare dataset in 2023. With 1 year of recorded data, the longitudinal trend is still developing.

Dr. Klag's 30 knee replacement procedures is below the national average of 45 among 6,720 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Knee Replacement
30 verified cases
#84 in Michigan
Hip Replacement
15 verified cases
#123 in Michigan
Estimated total: 120 – 140 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. Klag Compares

Procedure volume compared to the Michigan state average.

Hip Below Avg
15 Avg: 29
Knee Average
30 Avg: 33
Dr. Klag Michigan Average

Contact & Location

Phone: 734-936-4000
1500 E Medical Center Dr
Ann Arbor, MI 48109
NPI: 1609308097
Credentials: MD
Active Medicare provider (NPI verified)
9 years of practice experience
Licensed MD
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Hospital Affiliations & Quality

H
University Of Michigan Health
★★★★☆
Ann Arbor, MI
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.

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. Klag

How does Dr. Klag's procedure volume compare to other Michigan surgeons?

Dr. Klag has performed 45 Medicare-verified joint replacement procedures. This is in line with the Michigan average of 48 procedures per surgeon. Dr. Klag ranks #106 out of 272 orthopedic surgeons in Michigan.

What types of joint replacement does Dr. Klag perform?

Dr. Klag's Medicare data shows procedures in knee replacement (30 cases) and hip replacement (15 cases).

Are there other orthopedic surgeons near Dr. Klag in Ann Arbor?

Yes. There are 11 orthopedic surgeons in Ann Arbor 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 Michigan surgeons.

What does the Medicare data for Dr. Klag 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. Klag's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 45 procedures shown here.

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

Yes. Dr. Klag's Medicare data shows procedures in knee replacement (30 cases), hip replacement (15 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Klag affiliated with?

According to CMS facility affiliation data, Dr. Klag is affiliated with University Of Michigan Health.

How does Dr. Klag compare to other orthopedic surgeons in Ann Arbor?

Among the 11 orthopedic surgeons in Ann Arbor, Dr. Klag ranks #6 by total Medicare procedure volume. The highest-volume surgeon in Ann Arbor has 135 verified Medicare procedures.

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

University Of Michigan Health (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 Ann Arbor, Michigan

Dr. Klag's 45 Medicare procedures are below the Ann Arbor average of 61. The table below compares verified procedure volumes for orthopedic surgeons practicing in Ann Arbor.

SurgeonProceduresSpecialties
Dr. Andrew Urquhart 135 Hip, Knee
Dr. Elizabeth Dailey 64 Hip, Knee
Dr. Brian Hallstrom 59 Hip, Knee
Dr. Peter Schilling 52 Hip, Knee
Dr. Derek Semaan 47 Hip, Knee
Dr. William Aibinder 24 Shoulder

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. Elizabeth Klag, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/mi/dr-elizabeth-klag-ann-arbor.html

Link: https://orthoprocedures.com/surgeons/mi/dr-elizabeth-klag-ann-arbor.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.