#60 Hip
#132 Knee

Dr. Gregory Gilson, D.O.

Orthopedic Surgery
81 procedures 4 hospitals Allentown, PA
Latest available Medicare data — updated April 2026
Hip replacement recovery kit Essentials every patient wishes they bought first
National Comparison by Procedure
Hip 43 vs 36 avg (4,526 surgeons)
Knee 38 vs 45 avg (6,720 surgeons)

Dr. Gregory Gilson is a board-certified orthopedic surgeon practicing in Allentown, Pennsylvania. Dr. Gilson has performed 43 Medicare-verified hip replacements (#60 in Pennsylvania) and 38 knee replacements, for a combined total of 81 procedures.

In Pennsylvania, Dr. Gilson performs above average in hip (43 vs 34 avg), near average in knee (38 vs 45 avg).

Dr. Gilson's reported Medicare volume is split between hip replacements (43 cases) and knee replacements (38 cases).

Allentown is home to 13 orthopedic surgeons in the current Medicare dataset. Patients in the Allentown area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Gilson first appears in the Medicare dataset in 2023. With 1 year of recorded data, the longitudinal trend is still developing.

Among 4,526 hip replacement surgeons tracked nationally, Dr. Gilson's 43 verified procedures is near the national average of 36.

Verified Medicare Cases

Hip Replacement
43 verified cases
#60 in Pennsylvania
Knee Replacement
38 verified cases
#132 in Pennsylvania
Estimated total: 220 – 250 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. Gilson Compares

Procedure volume compared to the Pennsylvania state average.

Hip High
43 Avg: 34
Knee Average
38 Avg: 45
Dr. Gilson Pennsylvania Average

Contact & Location

501 Cetronia Rd Ste 125
Allentown, PA 18104
NPI: 1922468461
Credentials: D.O.
Active Medicare provider
Find Practice on Google Maps

Hospital Affiliations & Quality

H
St Luke'S Hospital Bethlehem
★★★★★
Bethlehem, PA
Similar to national avg
H
St Luke'S Hospital - Upper Bucks Campus
★★★★☆
Quakertown, PA
Similar to national avg
H
St Luke'S Hospital - Grand View Campus
★★★★★
Sellersville, PA
Similar to national avg
H
St Luke'S Hospital - Easton Campus
★★★☆☆
Easton, PA
Low case volume

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.

Hip Replacement Recovery Overview

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

Week 1-2 Walking with assistive device (walker or cane). Gentle range-of-motion exercises begin. Most patients can manage basic self-care.
Week 3-6 Transition to walking independently. Resume driving short distances. Physical therapy focuses on strength and balance.
Week 7-12 Return to most daily activities and light exercise. Stair climbing improves. Many patients return to desk work.
Month 4-6 Full recovery for most patients. Resume recreational activities, golf, swimming, and low-impact exercise.

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

Frequently Asked Questions About Dr. Gilson

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

Dr. Gilson has performed 81 Medicare-verified joint replacement procedures. This is in line with the Pennsylvania average of 63 procedures per surgeon. Dr. Gilson ranks #94 out of 388 orthopedic surgeons in Pennsylvania.

What types of joint replacement does Dr. Gilson perform?

Dr. Gilson's Medicare data shows procedures in hip replacement (43 cases) and knee replacement (38 cases).

Are there other orthopedic surgeons near Dr. Gilson in Allentown?

Yes. There are 13 orthopedic surgeons in Allentown 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. Gilson 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. Gilson's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 81 procedures shown here.

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

Yes. Dr. Gilson's Medicare data shows procedures in hip replacement (43 cases), knee replacement (38 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Gilson affiliated with?

According to CMS facility affiliation data, Dr. Gilson is affiliated with St Luke'S Hospital Bethlehem, St Luke'S Hospital - Upper Bucks Campus, St Luke'S Hospital - Grand View Campus, St Luke'S Hospital - Easton Campus.

How does Dr. Gilson compare to other orthopedic surgeons in Allentown?

Among the 13 orthopedic surgeons in Allentown, Dr. Gilson ranks #6 by total Medicare procedure volume. The highest-volume surgeon in Allentown has 273 verified Medicare procedures.

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

St Luke'S Hospital Bethlehem (5 out of 5 CMS stars, hip/knee complication rate similar to national average); St Luke'S Hospital - Upper Bucks Campus (4 out of 5 CMS stars, hip/knee complication rate similar to national average); St Luke'S Hospital - Grand View Campus (5 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 Allentown, Pennsylvania

Dr. Gilson's 81 Medicare procedures are below the Allentown average of 169. The table below compares verified procedure volumes for orthopedic surgeons practicing in Allentown.

SurgeonProceduresSpecialties
Dr. Paul Pollice 273 Hip, Knee
Dr. Eric Lebby 253 Hip, Knee
Dr. Jonathon Brown 211 Hip, Knee
Dr. Gregor Hawk 162 Hip, Knee, Shoulder
Dr. Kevin Anbari 125 Hip, Knee
Dr. Kenneth Brislin 77 Knee, 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. Gregory Gilson, D.O. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/pa/dr-gregory-gilson-allentown.html

Link: https://orthoprocedures.com/surgeons/pa/dr-gregory-gilson-allentown.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.