#51 Hip
#78 Knee

Dr. William Gunnett Ii, D.O.

Orthopedic Surgery
102 procedures 2 hospitals Chambersburg, PA
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 47 vs 36 avg (4,526 surgeons)
Knee 55 vs 45 avg (6,720 surgeons)

Dr. William Gunnett Ii is a board-certified orthopedic surgeon practicing in Chambersburg, Pennsylvania. Dr. Gunnett Ii has performed 55 Medicare-verified knee replacements (#78 in Pennsylvania) and 47 hip replacements, for a combined total of 102 procedures.

In Pennsylvania, Dr. Gunnett Ii performs above average in knee (55 vs 45 avg), above average in hip (47 vs 34 avg).

Dr. Gunnett Ii's reported Medicare volume is split between knee replacements (55 cases) and hip replacements (47 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 5 years of data. Over that period, recorded procedure volume increased from 31 to 102 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. Gunnett Ii's 55 verified procedures is above the national average of 45.

Verified Medicare Cases

Knee Replacement
55 verified cases
#78 in Pennsylvania
Hip Replacement
47 verified cases
#51 in Pennsylvania
Estimated total: 280 – 310 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
47 Avg: 34
Knee High
55 Avg: 45
Dr. Gunnett Ii Pennsylvania Average

Contact & Location

120 N 7th St Ste 101
Chambersburg, PA 17201
NPI: 1215963384
Credentials: D.O.
Active Medicare provider
Find Practice on Google Maps

Volume Trend Analysis

Dr. Gunnett Ii's Medicare-recorded procedure volume has trended upward over 5 years, increasing 229% from 31 procedures in 2019 to 102 in the most recent data.

Years of Data 5
2023 Volume 102
Peak Volume 102 (2023)
Trend Growing

Hospital Affiliations & Quality

H
Wellspan Chambersburg Hospital
★★★☆☆
Chambersburg, PA
Low case volume
H
Wellspan Waynesboro Hospital
★★★★☆
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.

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 102 Medicare-verified joint replacement procedures. This is significantly above the Pennsylvania average of 63 procedures per surgeon. Dr. Gunnett Ii ranks #73 out of 388 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 (55 cases) and hip replacement (47 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 102 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 102 in the most recent data, a 229% increase over 5 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 102 procedures in 2023.

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

Yes. Dr. Gunnett Ii's Medicare data shows procedures in knee replacement (55 cases), hip replacement (47 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 102 Medicare procedures are above the Chambersburg average of 35. The table below compares verified procedure volumes for orthopedic surgeons practicing in Chambersburg.

SurgeonProceduresSpecialties
Dr. Robert Richards 13 Knee
Dr. Robert Holzshu 12 Knee
Dr. Robert Lyons 12 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. 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.