Dr. William Cook, M.D.

Orthopedic Surgery
88 procedures 1 hospital Bel Air, MD
Latest available Medicare data — updated April 2026
Growing Volume

Contact & Location

Phone: 443-643-3130
Practice phone listed in the NPI registry
510 Upper Chesapeake Dr
Bel Air, MD 21014
NPI: 1467484824
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 25 vs 36 avg (4,532 surgeons)
Knee 42 vs 45 avg (6,599 surgeons)
Shoulder 21 vs 29 avg (2,213 surgeons)

Dr. William Cook is a board-certified orthopedic surgeon practicing in Bel Air, Maryland. A Medicare provider since 2006, Dr. Cook has completed 42 knee replacements (#61 in Maryland), 25 hip replacements, and 21 shoulder replacements, totaling 88 Medicare-verified procedures.

In Maryland, Dr. Cook performs near average in knee (42 vs 49 avg), below average in hip (25 vs 42 avg), below average in shoulder (21 vs 34 avg).

Dr. Cook performs all three major joint replacement procedures — hip, knee, and shoulder — indicating a broad scope of orthopedic practice. The largest share is knee replacements (42 cases), followed by hip replacements (25) and shoulder replacements (21).

Bel Air is home to 4 orthopedic surgeons in the current Medicare dataset. Patients in the Bel Air area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Cook extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 50 to 88 in the most recent data, a 76% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,599 knee replacement surgeons tracked nationally, Dr. Cook's 42 verified procedures is near the national average of 45.

Verified Medicare Cases

Knee Replacement
42 verified cases
#61 in Maryland
Hip Replacement
25 verified cases
#57 in Maryland
Shoulder Replacement
21 verified cases
#22 in Maryland
Estimated total: 240 – 270 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. Cook Compares

Procedure volume compared to the Maryland state average.

Hip Below Avg
25 Avg: 42
Knee Average
42 Avg: 49
Shoulder Below Avg
21 Avg: 34
Dr. Cook Maryland Average

Volume Trend Analysis

Dr. Cook's Medicare-recorded procedure volume has trended upward over 12 years, increasing 76% from 50 procedures in 2013 to 88 in the most recent data.

Years of Data 12
2024 Volume 88
Peak Volume 93 (2022)
Trend Growing

Hospital Affiliations & Quality

H
University Of Md Upper Chesapeake Medical Center
2/5
Bel Air, 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.

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. Cook

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

Dr. Cook has performed 88 Medicare-verified joint replacement procedures. This is in line with the Maryland average of 71 procedures per surgeon. Dr. Cook ranks #43 out of 166 orthopedic surgeons in Maryland.

What types of joint replacement does Dr. Cook perform?

Dr. Cook performs all three major joint replacement procedures: knee replacement (42 cases), hip replacement (25 cases), shoulder replacement (21 cases). This breadth indicates a comprehensive orthopedic joint replacement practice.

Are there other orthopedic surgeons near Dr. Cook in Bel Air?

Yes. There are 4 orthopedic surgeons in Bel Air 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. Cook 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. Cook's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 88 procedures shown here.

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

Yes. Dr. Cook's Medicare-recorded volume has increased from 50 procedures in 2013 to 88 in the most recent data, a 76% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 93 procedures in 2022.

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

Yes. Dr. Cook's Medicare data shows procedures in knee replacement (42 cases), hip replacement (25 cases), shoulder replacement (21 cases). Performing all three major joint replacements places Dr. Cook among the 5% of orthopedic surgeons nationally who cover hip, knee, and shoulder arthroplasty.

Which hospitals is Dr. Cook affiliated with?

According to CMS facility affiliation data, Dr. Cook is affiliated with University Of Md Upper Chesapeake Medical Center.

How does Dr. Cook compare to other orthopedic surgeons in Bel Air?

Among the 4 orthopedic surgeons in Bel Air, Dr. Cook ranks #1 by total Medicare procedure volume. Dr. Cook has the highest verified Medicare volume in the city.

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

University Of Md Upper Chesapeake Medical Center (2 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 Bel Air, Maryland

Dr. Cook's 88 Medicare procedures are above the Bel Air average of 58. The table below compares verified procedure volumes for orthopedic surgeons practicing in Bel Air.

SurgeonProceduresSpecialties
Dr. Raj Yalamanchili 86 Hip, Knee
Dr. Edward O'mara 32 Knee
Dr. Mark Clough 24 Knee

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. William Cook, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/md/dr-william-cook-bel-air.html

Link: https://orthoprocedures.com/surgeons/md/dr-william-cook-bel-air.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.