Dr. Adnan Zaidi, M.D.

Orthopedic Surgery
34 procedures 3 hospitals Hartford, WI
Latest available Medicare data — updated April 2026
Growing Volume

Contact & Location

Phone: 262-670-4000
Practice phone listed in the NPI registry
1640 E Sumner St
Hartford, WI 53027
NPI: 1114205101
Credentials: M.D.
Active Medicare provider (NPI verified)
15 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 13 vs 36 avg (4,532 surgeons)
Knee 21 vs 45 avg (6,599 surgeons)

Dr. Adnan Zaidi is a board-certified orthopedic surgeon practicing in Hartford, Wisconsin. A Medicare provider since 2011, Dr. Zaidi has performed 21 Medicare-verified knee replacements (#94 in Wisconsin) and 13 hip replacements, for a combined total of 34 procedures.

In Wisconsin, Dr. Zaidi performs below average in knee (21 vs 36 avg), below average in hip (13 vs 29 avg).

Dr. Zaidi's reported Medicare volume is split between knee replacements (21 cases) and hip replacements (13 cases).

Beyond general orthopedic surgery, Dr. Zaidi holds additional credentials in Internal Medicine, Sports Medicine, reflecting subspecialty training that may benefit patients with complex joint conditions.

Dr. Zaidi is the only orthopedic surgeon in Hartford represented in the current Medicare dataset, serving as the primary local option for patients considering joint replacement surgery in the area.

Medicare records for Dr. Zaidi extend back to 2020, covering 5 years of data. Over that period, recorded procedure volume increased from 13 to 34 in the most recent data, a 162% increase. This sustained growth reflects an expanding joint replacement practice.

Dr. Zaidi's 21 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
21 verified cases
#94 in Wisconsin
Hip Replacement
13 verified cases
#97 in Wisconsin
Estimated total: 90 – 100 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. Zaidi Compares

Procedure volume compared to the Wisconsin state average.

Hip Below Avg
13 Avg: 29
Knee Below Avg
21 Avg: 36
Dr. Zaidi Wisconsin Average

Volume Trend Analysis

Dr. Zaidi's Medicare-recorded procedure volume has trended upward over 5 years, increasing 162% from 13 procedures in 2020 to 34 in the most recent data.

Years of Data 5
2024 Volume 34
Peak Volume 45 (2022)
Trend Growing

Hospital Affiliations & Quality

H
Aurora Medical Ctr Washington County
4/5
Hartford, WI
Low case volume
H
Aurora Medical Center
5/5
Grafton, WI
Similar to national avg
H
Aurora Medical Center Summit
5/5
Summit, WI
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. Zaidi

How does Dr. Zaidi's procedure volume compare to other Wisconsin surgeons?

Dr. Zaidi has performed 34 Medicare-verified joint replacement procedures. The Wisconsin average is 51 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Zaidi ranks #108 out of 189 orthopedic surgeons in Wisconsin.

What types of joint replacement does Dr. Zaidi perform?

Dr. Zaidi's Medicare data shows procedures in knee replacement (21 cases) and hip replacement (13 cases).

Where is Dr. Zaidi's practice located?

Dr. Zaidi practices in Hartford, Wisconsin. The office is located at 1640 E Sumner St, Hartford, WI 53027. Patients in the surrounding area can consult Dr. Zaidi for joint replacement evaluation.

What does the Medicare data for Dr. Zaidi 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. Zaidi's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 34 procedures shown here.

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

Yes. Dr. Zaidi's Medicare-recorded volume has increased from 13 procedures in 2020 to 34 in the most recent data, a 162% increase over 5 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 45 procedures in 2022.

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

Yes. Dr. Zaidi's Medicare data shows procedures in knee replacement (21 cases), hip replacement (13 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Zaidi affiliated with?

According to CMS facility affiliation data, Dr. Zaidi is affiliated with Aurora Medical Ctr Washington County, Aurora Medical Center, Aurora Medical Center Summit.

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

Aurora Medical Ctr Washington County (4 out of 5 CMS stars, insufficient case volume for complication rate comparison); Aurora Medical Center (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Aurora Medical Center Summit (5 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.

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. Adnan Zaidi, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/wi/dr-adnan-zaidi-hartford.html

Link: https://orthoprocedures.com/surgeons/wi/dr-adnan-zaidi-hartford.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.