Dr. William Gunnett Ii, D.O.

Orthopedic Surgery
125 procedures 2 hospitals Chambersburg, PA
Latest available Medicare data — updated April 2026
Growing Volume

Contact & Location

Phone: 717-263-1220
Practice phone listed in the NPI registry
120 N 7th St Ste 101
Chambersburg, PA 17201
NPI: 1215963384
Credentials: D.O.
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed D.O.
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 48 vs 36 avg (4,532 surgeons)
Knee 77 vs 45 avg (6,599 surgeons)

Dr. William Gunnett Ii is a board-certified orthopedic surgeon practicing in Chambersburg, Pennsylvania. A Medicare provider since 2006, Dr. Gunnett Ii has performed 77 Medicare-verified knee replacements (#54 in Pennsylvania) and 48 hip replacements, for a combined total of 125 procedures.

In Pennsylvania, Dr. Gunnett Ii performs above average in knee (77 vs 47 avg), above average in hip (48 vs 37 avg).

Dr. Gunnett Ii's reported Medicare volume is split between knee replacements (77 cases) and hip replacements (48 cases).

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

Medicare records for Dr. Gunnett Ii extend back to 2019, covering 6 years of data. Over that period, recorded procedure volume increased from 31 to 125 in the most recent data, a 303% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,599 knee replacement surgeons tracked nationally, Dr. Gunnett Ii's 77 verified procedures is above the national average of 45.

Verified Medicare Cases

Knee Replacement
77 verified cases
#54 in Pennsylvania
Hip Replacement
48 verified cases
#54 in Pennsylvania
Estimated total: 340 – 380 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. Gunnett Ii Compares

Procedure volume compared to the Pennsylvania state average.

Hip High
48 Avg: 37
Knee High
77 Avg: 47
Dr. Gunnett Ii Pennsylvania Average

Volume Trend Analysis

Dr. Gunnett Ii's Medicare-recorded procedure volume has trended upward over 6 years, increasing 303% from 31 procedures in 2019 to 125 in the most recent data.

Years of Data 6
2024 Volume 125
Peak Volume 125 (2024)
Trend Growing

Hospital Affiliations & Quality

H
Wellspan Chambersburg Hospital
3/5
Chambersburg, PA
Low case volume
H
Wellspan Waynesboro Hospital
4/5
Waynesboro, PA

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. Gunnett Ii

How does Dr. Gunnett Ii's procedure volume compare to other Pennsylvania surgeons?

Dr. Gunnett Ii has performed 125 Medicare-verified joint replacement procedures. This is significantly above the Pennsylvania average of 66 procedures per surgeon. Dr. Gunnett Ii ranks #60 out of 376 orthopedic surgeons in Pennsylvania.

What types of joint replacement does Dr. Gunnett Ii perform?

Dr. Gunnett Ii's Medicare data shows procedures in knee replacement (77 cases) and hip replacement (48 cases).

Are there other orthopedic surgeons near Dr. Gunnett Ii in Chambersburg?

Yes. There are 4 orthopedic surgeons in Chambersburg 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 Pennsylvania surgeons.

What does the Medicare data for Dr. Gunnett Ii 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. Gunnett Ii's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 125 procedures shown here.

Has Dr. Gunnett Ii's procedure volume changed over time?

Yes. Dr. Gunnett Ii's Medicare-recorded volume has increased from 31 procedures in 2019 to 125 in the most recent data, a 303% increase over 6 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 125 procedures in 2024.

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

Yes. Dr. Gunnett Ii's Medicare data shows procedures in knee replacement (77 cases), hip replacement (48 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Gunnett Ii affiliated with?

According to CMS facility affiliation data, Dr. Gunnett Ii is affiliated with Wellspan Chambersburg Hospital, Wellspan Waynesboro Hospital.

How does Dr. Gunnett Ii compare to other orthopedic surgeons in Chambersburg?

Among the 4 orthopedic surgeons in Chambersburg, Dr. Gunnett Ii ranks #1 by total Medicare procedure volume. Dr. Gunnett Ii has the highest verified Medicare volume in the city.

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

Wellspan Chambersburg Hospital (3 out of 5 CMS stars, insufficient case volume for complication rate comparison); Wellspan Waynesboro Hospital (4 out of 5 CMS stars). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.

Other Orthopedic Surgeons in Chambersburg, Pennsylvania

Dr. Gunnett Ii's 125 Medicare procedures are above the Chambersburg average of 45. The table below compares verified procedure volumes for orthopedic surgeons practicing in Chambersburg.

SurgeonProceduresSpecialties
Dr. Robert Lyons 23 Shoulder
Dr. Brad Conner 17 Knee
Dr. Robert Richards 15 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 Gunnett Ii, D.O. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/pa/dr-william-gunnett-ii-chambersburg.html

Link: https://orthoprocedures.com/surgeons/pa/dr-william-gunnett-ii-chambersburg.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.