Dr. Thomas Westphal, M.D.

Orthopedic Surgery
88 procedures 1 hospital Lancaster, PA
Latest available Medicare data — updated April 2026
Growing Volume

Contact & Location

Phone: 717-358-0800
Practice phone listed in the NPI registry
2150 Harrisburg Pike
Lancaster, PA 17601
NPI: 1083681621
Credentials: M.D.
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed M.D.
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 23 vs 36 avg (4,532 surgeons)
Knee 65 vs 45 avg (6,599 surgeons)

Dr. Thomas Westphal is a board-certified orthopedic surgeon practicing in Lancaster, Pennsylvania. A Medicare provider since 2006, Dr. Westphal has performed 65 Medicare-verified knee replacements (#71 in Pennsylvania) and 23 hip replacements, for a combined total of 88 procedures.

In Pennsylvania, Dr. Westphal performs above average in knee (65 vs 47 avg), below average in hip (23 vs 37 avg).

Dr. Westphal's reported Medicare volume is split between knee replacements (65 cases) and hip replacements (23 cases).

Lancaster is home to 19 orthopedic surgeons in the current Medicare dataset. Patients in the Lancaster area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Westphal extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 51 to 88 in the most recent data, a 73% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,599 knee replacement surgeons tracked nationally, Dr. Westphal's 65 verified procedures is above the national average of 45.

Verified Medicare Cases

Knee Replacement
65 verified cases
#71 in Pennsylvania
Hip Replacement
23 verified cases
#125 in Pennsylvania
Estimated total: 240 – 270 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. Westphal Compares

Procedure volume compared to the Pennsylvania state average.

Hip Below Avg
23 Avg: 37
Knee High
65 Avg: 47
Dr. Westphal Pennsylvania Average

Volume Trend Analysis

Dr. Westphal's Medicare-recorded procedure volume has trended upward over 12 years, increasing 73% from 51 procedures in 2013 to 88 in the most recent data.

Years of Data 12
2024 Volume 88
Peak Volume 128 (2017)
Trend Growing

Hospital Affiliations & Quality

H
Lancaster General Hospital
5/5
Lancaster, 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 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. Westphal

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

Dr. Westphal has performed 88 Medicare-verified joint replacement procedures. This is in line with the Pennsylvania average of 66 procedures per surgeon. Dr. Westphal ranks #87 out of 376 orthopedic surgeons in Pennsylvania.

What types of joint replacement does Dr. Westphal perform?

Dr. Westphal's Medicare data shows procedures in knee replacement (65 cases) and hip replacement (23 cases).

Are there other orthopedic surgeons near Dr. Westphal in Lancaster?

Yes. There are 19 orthopedic surgeons in Lancaster 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. Westphal 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. Westphal's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 88 procedures shown here.

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

Yes. Dr. Westphal's Medicare-recorded volume has increased from 51 procedures in 2013 to 88 in the most recent data, a 73% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 128 procedures in 2017.

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

Yes. Dr. Westphal's Medicare data shows procedures in knee replacement (65 cases), hip replacement (23 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Westphal affiliated with?

According to CMS facility affiliation data, Dr. Westphal is affiliated with Lancaster General Hospital.

How does Dr. Westphal compare to other orthopedic surgeons in Lancaster?

Among the 19 orthopedic surgeons in Lancaster, Dr. Westphal ranks #7 by total Medicare procedure volume. The highest-volume surgeon in Lancaster has 169 verified Medicare procedures.

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

Lancaster General Hospital (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 Lancaster, Pennsylvania

Dr. Westphal's 88 Medicare procedures are below the Lancaster average of 113. The table below compares verified procedure volumes for orthopedic surgeons practicing in Lancaster.

SurgeonProceduresSpecialties
Dr. Thomas Renz 169 Hip, Knee
Dr. Gregory Tocks 127 Hip, Knee, Shoulder
Dr. Young Jee 107 Hip, Knee
Dr. Carl Becker 104 Hip, Knee, Shoulder
Dr. Christopher Cooke 97 Hip, Knee
Dr. Matthew Poorman 97 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. Thomas Westphal, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/pa/dr-thomas-westphal-lancaster.html

Link: https://orthoprocedures.com/surgeons/pa/dr-thomas-westphal-lancaster.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.