Dr. Michael McKernan, MD

Orthopedic Surgery
20 procedures 3 hospitals Sun City West, AZ
Latest available Medicare data — updated April 2026

Contact & Location

14520 W Granite Valley Dr Ste 210
Sun City West, AZ 85375
NPI: 1356873392
Credentials: MD
Active Medicare provider
Find Practice on Google Maps
Shoulder replacement recovery kit Slings, cold therapy, and adaptive clothing for recovery
National Comparison by Procedure
Shoulder 20 vs 29 avg (2,213 surgeons)

Dr. Michael McKernan is a board-certified orthopedic surgeon practicing in Sun City West, Arizona. Dr. McKernan has performed 20 Medicare-verified shoulder replacements, ranking #38 in Arizona.

In Arizona, Dr. McKernan performs below average in shoulder (20 vs 31 avg).

Dr. McKernan's Medicare data shows a focused shoulder 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.

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

Dr. McKernan first appears in the Medicare dataset in 2024. With 1 year of recorded data, the longitudinal trend is still developing.

Dr. McKernan's 20 shoulder replacement procedures is below the national average of 29 among 2,213 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Shoulder Replacement
20 verified cases
#38 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. McKernan Compares

Procedure volume compared to the Arizona state average.

Shoulder Below Avg
20 Avg: 31
Dr. McKernan Arizona Average

Hospital Affiliations & Quality

H
Banner Del E. Webb Medical Center
3/5
Sun City West, AZ
Similar to national avg
H
The Core Institute Specialty Hospital
Phoenix, AZ
Similar to national avg
H
Wickenburg Community Hospital
Wickenburg, AZ

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 Shoulder Replacement

If you are considering shoulder replacement surgery, these evidence-based guides can help you prepare and recover:

Shoulder Replacement Recovery Overview

Recovery timelines vary by patient, but here is a general overview of what to expect after shoulder replacement surgery:

Week 1-3 Arm in a sling for protection. Gentle pendulum exercises under therapist guidance. Focus on pain management and wound care.
Week 4-6 Gradual sling weaning. Begin passive and active-assisted range-of-motion exercises. Light daily activities resume.
Week 7-12 Active range-of-motion exercises. Light strengthening begins. Most patients can drive and perform desk work.
Month 4-6 Progressive strengthening continues. Return to most activities. Full recovery may take 6-12 months for complete shoulder strength.

Individual recovery varies based on overall health, age, and adherence to physical therapy. View full shoulder replacement recovery guide and product recommendations

Frequently Asked Questions About Dr. McKernan

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

Dr. McKernan 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. McKernan ranks #160 out of 191 orthopedic surgeons in Arizona.

What types of joint replacement does Dr. McKernan perform?

Dr. McKernan's reported Medicare volume is focused on shoulder 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. McKernan in Sun City West?

Yes. There are 5 orthopedic surgeons in Sun City West 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. McKernan 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. McKernan's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 20 procedures shown here.

Which hospitals is Dr. McKernan affiliated with?

According to CMS facility affiliation data, Dr. McKernan is affiliated with Banner Del E. Webb Medical Center, The Core Institute Specialty Hospital, Wickenburg Community Hospital.

How does Dr. McKernan compare to other orthopedic surgeons in Sun City West?

Among the 5 orthopedic surgeons in Sun City West, Dr. McKernan ranks #5 by total Medicare procedure volume. The highest-volume surgeon in Sun City West has 123 verified Medicare procedures.

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

Banner Del E. Webb Medical Center (3 out of 5 CMS stars, hip/knee complication rate similar to national average); The Core Institute Specialty Hospital (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 Sun City West, Arizona

Dr. McKernan's 20 Medicare procedures are below the Sun City West average of 90. The table below compares verified procedure volumes for orthopedic surgeons practicing in Sun City West.

SurgeonProceduresSpecialties
Dr. Samuel Ashby 123 Hip, Knee
Dr. John Brown 120 Shoulder
Dr. Mark Campbell 119 Hip, Knee
Dr. Brenton Albracht 70 Hip, 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. Michael McKernan, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/az/dr-michael-mckernan-sun-city-west.html

Link: https://orthoprocedures.com/surgeons/az/dr-michael-mckernan-sun-city-west.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.