#21 Knee
#32 Hip

Dr. Cory Walsh, M.D.

Orthopedic Surgery
135 procedures 1 hospital Frederick, MD
Latest available Medicare data — updated April 2026
Rising Star
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 44 vs 36 avg (4,526 surgeons)
Knee 91 vs 45 avg (6,720 surgeons)

Dr. Cory Walsh is a board-certified orthopedic surgeon practicing in Frederick, Maryland. A Medicare provider since 2012, Dr. Walsh has performed 91 Medicare-verified knee replacements (#21 in Maryland) and 44 hip replacements, for a combined total of 135 procedures.

In Maryland, Dr. Walsh performs above average in knee (91 vs 50 avg), near average in hip (44 vs 40 avg).

Dr. Walsh's reported Medicare volume is split between knee replacements (91 cases) and hip replacements (44 cases).

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

Frederick is home to 5 orthopedic surgeons in the current Medicare dataset. Patients in the Frederick area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Walsh extend back to 2019, covering 5 years of data. Over that period, recorded procedure volume increased from 41 to 135 in the most recent data, a 229% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Walsh's 91 verified procedures is more than 2x the national average of 45.

Verified Medicare Cases

Knee Replacement
91 verified cases
#21 in Maryland
Hip Replacement
44 verified cases
#32 in Maryland
Estimated total: 360 – 410 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. Walsh Compares

Procedure volume compared to the Maryland state average.

Hip Average
44 Avg: 40
Knee High
91 Avg: 50
Dr. Walsh Maryland Average

Contact & Location

Phone: 301-694-8311
86 Thomas Johnson Ct
Frederick, MD 21702
NPI: 1174899645
Credentials: M.D.
Active Medicare provider (NPI verified)
14 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Walsh's Medicare-recorded procedure volume has trended upward over 5 years, increasing 229% from 41 procedures in 2019 to 135 in the most recent data.

Years of Data 5
2023 Volume 135
Peak Volume 135 (2023)
Trend Growing

Hospital Affiliations & Quality

H
Frederick Health Hospital
★★★☆☆
Frederick, MD
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. Walsh

How does Dr. Walsh's procedure volume compare to other Maryland surgeons?

Dr. Walsh has performed 135 Medicare-verified joint replacement procedures. This is significantly above the Maryland average of 72 procedures per surgeon. Dr. Walsh ranks #23 out of 161 orthopedic surgeons in Maryland.

What types of joint replacement does Dr. Walsh perform?

Dr. Walsh's Medicare data shows procedures in knee replacement (91 cases) and hip replacement (44 cases).

Are there other orthopedic surgeons near Dr. Walsh in Frederick?

Yes. There are 5 orthopedic surgeons in Frederick 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 Maryland surgeons.

What does the Medicare data for Dr. Walsh 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. Walsh's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 135 procedures shown here.

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

Yes. Dr. Walsh's Medicare-recorded volume has increased from 41 procedures in 2019 to 135 in the most recent data, a 229% increase over 5 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 135 procedures in 2023.

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

Yes. Dr. Walsh's Medicare data shows procedures in knee replacement (91 cases), hip replacement (44 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Walsh affiliated with?

According to CMS facility affiliation data, Dr. Walsh is affiliated with Frederick Health Hospital.

How does Dr. Walsh compare to other orthopedic surgeons in Frederick?

Among the 5 orthopedic surgeons in Frederick, Dr. Walsh ranks #1 by total Medicare procedure volume. Dr. Walsh has the highest verified Medicare volume in the city.

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

Frederick Health Hospital (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 Frederick, Maryland

Dr. Walsh's 135 Medicare procedures are above the Frederick average of 86. The table below compares verified procedure volumes for orthopedic surgeons practicing in Frederick.

SurgeonProceduresSpecialties
Dr. Rishi Gupta 109 Hip, Knee
Dr. Therlinsie Fleurizard 96 Hip, Knee
Dr. David Maish 61 Hip, Knee
Dr. Matthew Levine 27 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. Cory Walsh, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/md/dr-cory-walsh-frederick.html

Link: https://orthoprocedures.com/surgeons/md/dr-cory-walsh-frederick.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.