#114 Knee
#162 Hip

Dr. Carl Weiss, M.D.

Orthopedic Surgery
61 procedures 2 hospitals Bethlehem, PA
Latest available Medicare data — updated April 2026
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 18 vs 36 avg (4,526 surgeons)
Knee 43 vs 45 avg (6,720 surgeons)

Dr. Carl Weiss is a board-certified orthopedic surgeon practicing in Bethlehem, Pennsylvania. Dr. Weiss has performed 43 Medicare-verified knee replacements (#114 in Pennsylvania) and 18 hip replacements, for a combined total of 61 procedures.

In Pennsylvania, Dr. Weiss performs near average in knee (43 vs 45 avg), below average in hip (18 vs 34 avg).

Dr. Weiss's reported Medicare volume is split between knee replacements (43 cases) and hip replacements (18 cases).

Bethlehem is home to 15 orthopedic surgeons in the current Medicare dataset. Patients in the Bethlehem area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Weiss's Medicare data spans 11 years, beginning in 2013. Volume peaked at 88 procedures in 2015 before settling at 61 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Weiss's 43 verified procedures is near the national average of 45.

Verified Medicare Cases

Knee Replacement
43 verified cases
#114 in Pennsylvania
Hip Replacement
18 verified cases
#162 in Pennsylvania
Estimated total: 160 – 180 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. Weiss Compares

Procedure volume compared to the Pennsylvania state average.

Hip Below Avg
18 Avg: 34
Knee Average
43 Avg: 45
Dr. Weiss Pennsylvania Average

Contact & Location

2775 Schoenersville Rd
Bethlehem, PA 18017
NPI: 1811995962
Credentials: M.D.
Active Medicare provider
Find Practice on Google Maps

Volume Trend Analysis

Dr. Weiss's recorded volume peaked at 88 procedures in 2015 and stood at 61 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 11
2023 Volume 61
Peak Volume 88 (2015)
Trend Declining

Hospital Affiliations & Quality

H
Lehigh Valley Hospital
★★★★☆
Allentown, PA
Similar to national avg
H
Lehigh Valley Hospital - Pocono
★★★☆☆
East Stroudsburg, 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.

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. Weiss

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

Dr. Weiss has performed 61 Medicare-verified joint replacement procedures. This is in line with the Pennsylvania average of 63 procedures per surgeon. Dr. Weiss ranks #140 out of 388 orthopedic surgeons in Pennsylvania.

What types of joint replacement does Dr. Weiss perform?

Dr. Weiss's Medicare data shows procedures in knee replacement (43 cases) and hip replacement (18 cases).

Are there other orthopedic surgeons near Dr. Weiss in Bethlehem?

Yes. There are 15 orthopedic surgeons in Bethlehem 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. Weiss 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. Weiss's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 61 procedures shown here.

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

Dr. Weiss's Medicare-recorded volume peaked at 88 procedures in 2015 and was 61 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.

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

Yes. Dr. Weiss's Medicare data shows procedures in knee replacement (43 cases), hip replacement (18 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Weiss affiliated with?

According to CMS facility affiliation data, Dr. Weiss is affiliated with Lehigh Valley Hospital, Lehigh Valley Hospital - Pocono.

How does Dr. Weiss compare to other orthopedic surgeons in Bethlehem?

Among the 15 orthopedic surgeons in Bethlehem, Dr. Weiss ranks #6 by total Medicare procedure volume. The highest-volume surgeon in Bethlehem has 235 verified Medicare procedures.

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

Lehigh Valley Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Lehigh Valley Hospital - Pocono (3 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 Bethlehem, Pennsylvania

Dr. Weiss's 61 Medicare procedures are below the Bethlehem average of 120. The table below compares verified procedure volumes for orthopedic surgeons practicing in Bethlehem.

SurgeonProceduresSpecialties
Dr. Thomas Meade 235 Knee
Dr. Patrick Brogle 163 Hip, Knee
Dr. Christopher Ferrante 157 Hip, Knee
Dr. Chinenye Nwachuku 94 Hip, Knee
Dr. Wayne Luchetti 91 Hip, Knee
Dr. Daniel Terpstra 39 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. Carl Weiss, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/pa/dr-carl-weiss-bethlehem.html

Link: https://orthoprocedures.com/surgeons/pa/dr-carl-weiss-bethlehem.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.