Dr. April Armstrong, MD

Orthopedic Surgery
17 procedures 2 hospitals Hershey, PA

Contact & Location

800-233-4082
Phone: 800-233-4082
Practice phone listed in the NPI registry
500 University Dr
Hershey, PA 17033
NPI: 1225092448
Credentials: MD
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed MD
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
National Comparison by Procedure
Shoulder 17 vs 29 national avg (2,213 surgeons)

About Dr. Armstrong

Dr. April Armstrong is a board-certified orthopedic surgeon practicing in Hershey, Pennsylvania. A Medicare provider since 2006, Dr. Armstrong performed 17 Medicare-verified shoulder replacements in the latest annual CMS data, ranking #62 in Pennsylvania.

In Pennsylvania, Dr. Armstrong performs below the state average in shoulder (17 vs 28).

Dr. Armstrong's Medicare data shows a focused shoulder replacement practice with 17 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.

Hershey is home to 7 orthopedic surgeons in the current Medicare dataset. Patients in the Hershey area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Armstrong's Medicare data spans 12 years, beginning in 2013. Volume peaked at 34 procedures in 2014 before settling at 17 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Dr. Armstrong's 17 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
17 verified cases
#62 in Pennsylvania
Estimated total: 50 – 50 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. Armstrong Compares

Procedure volume compared to the Pennsylvania state average.

Shoulder Below Avg
17 Avg: 28
Dr. Armstrong Pennsylvania Average

Volume Trend Analysis

Dr. Armstrong's recorded volume peaked at 34 procedures in 2014 and stood at 17 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 12
2024 Volume 17
Peak Volume 34 (2014)
Trend Declining

Hospital Affiliations & Quality

H
Milton S Hershey Medical Center
4/5
Hershey, PA
Similar to national avg
H
Penn State Health Holy Spirit Medical Center
2/5
Camp Hill, PA
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 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. Armstrong

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

Dr. Armstrong has performed 17 Medicare-verified joint replacement procedures. The Pennsylvania average is 66 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Armstrong ranks #327 out of 376 orthopedic surgeons in Pennsylvania.

What types of joint replacement does Dr. Armstrong perform?

Dr. Armstrong's reported Medicare volume is focused on shoulder replacement, with 17 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Armstrong in Hershey?

Yes. There are 7 orthopedic surgeons in Hershey 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. Armstrong 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. Armstrong's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 17 procedures shown here.

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

Dr. Armstrong's Medicare-recorded volume peaked at 34 procedures in 2014 and was 17 in the most recent data. Volume fluctuations can reflect changes in payer mix, practice focus, or Medicare reporting rather than a change in overall surgical activity.

Which hospitals is Dr. Armstrong affiliated with?

According to CMS facility affiliation data, Dr. Armstrong is affiliated with Milton S Hershey Medical Center, Penn State Health Holy Spirit Medical Center.

How does Dr. Armstrong compare to other orthopedic surgeons in Hershey?

Among the 7 orthopedic surgeons in Hershey, Dr. Armstrong ranks #6 by total Medicare procedure volume. The highest-volume surgeon in Hershey has 80 verified Medicare procedures.

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

Milton S Hershey Medical Center (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Penn State Health Holy Spirit 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 Hershey, Pennsylvania

Dr. Armstrong's 17 Medicare procedures are below the Hershey average of 45. The table below compares verified procedure volumes for orthopedic surgeons practicing in Hershey.

SurgeonProceduresSpecialties
Dr. Arun Kumar 80 Hip, Knee
Dr. Charles Davis 67 Hip, Knee
Dr. Mark Mason 66 Hip, Knee
Dr. Nikkole Haines 44 Hip, Knee
Dr. Gary Updegrove 26 Shoulder
Dr. Nathan Lanham 17 Shoulder

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. April Armstrong, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/pa/dr-april-armstrong-hershey.html

Link: https://orthoprocedures.com/surgeons/pa/dr-april-armstrong-hershey.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.